1: Re: Eico ST-40 Triode Mod (7.36)
Posted by REL54 on 2007-03-23, 07:22:22 (76.160.14.207)
here is the url for the EICO user group on yahoo: http://tech.groups.yahoo.com/group/eico and the one for the EICO page http://users.rcn.com/fiddler.interport/eico.htm you should be able to find all t .......

2: Re: eico hf89 (7.36)
Posted by Mossback on 2005-12-04, 11:17:00 (67.160.54.86)
The Eico HF-89 is an average sounding amp. As elflow said both Scott and Fisher built EL-34 amps that better it. I also agree that some Eico amps are over valued. However in my experience some Eico am .......

3: Re: EICO HiFi gear.... hey now, hey now, eico eico........... (7.12)
Posted by Awe-d-o-file on 2004-04-16, 12:48:19 (170.215.144.40)
I love Eico stuff. I had HF-60s and they sounded very good. Had Mullards and metal base GZ34 rectifiers when my friend gave them to me! I also have the Eico tuner setup- HFT90 w/MX-99 multiplexor and .......

4: Re:Nope it's not an Eico (7.06)
Posted by Bold Eagle on 2003-01-28, 14:51:56 (162.40.169.234)
I just went over to the Eico site. Nothing there looks quite like this. Still. from the paint color to the chassis layout, it has an "Eico" look. I'm stumped. .......

5: Eico HF-81 (6.88)
Posted by wlegg206 on 2006-03-20, 16:16:42 (75.4.39.236)
How does an original Eico HF-81 stack up to its contemporaries and some of the newer stuff out there soundwise? I have a line on an original Eico HF-81 intefrated amp...trans is supposed to be dead qu .......

6: EICO AF-4 restoration report (6.76)
Posted by Richard CWY on 2003-02-07, 09:50:52 (210.3.46.39)
Go to read the report at the EICO Tube Amp Fans' Club. .......

7: EICO Party Report (6.72)
Posted by Richard CWY on 2002-11-04, 09:08:07 (210.3.46.59)
An 'EICO Party' was held on 2 November 2002 - a brief report for funs and sharing.. Richard .......

8: Re: Eico Schematics here (6.69)
Posted by Ron Oehlert on 2006-05-06, 10:09:01 (68.103.12.221)
Bob Higgins site. .......

9: Re: EICO ST70 hiss (6.65)
Posted by Mossback on 2005-01-28, 02:28:43 (67.5.152.97)
This and other Eico kits had treble control errors and problems. THere are mods and by-pass tricks that maybe of help. In the past I had a ST40 and an ST70. THe ST70 is the better amp, very nice in fa .......

10: eico hf81 vs sherwood s5000/2 (6.63)
Posted by vivid 2 on 2005-03-16, 10:21:36 (24.57.194.117)
it this eico worth dumping for a sherwood amp ?????? i'm in need of a new project and the eico to me it a little underpowered.... .......

11: Welcome to join the EICO amps eGroup (6.62)
Posted by Richard CWY on 2002-09-08, 22:39:34 (210.3.46.41)
I have recently opened a newsgroup in Yahoo groups dedicated for USA made vintage EICO amps. Go to have a look and share your experience on EICO amps. Richard .......

12: Eico Fisher? (6.60)
Posted by Mossback on 2009-01-07, 01:14:53 (130.76.32.23)
I own rebuilt Fisher 80C preamps and an Eico HF-85. I plan to sell one of the Fisher's and use the other in mono system. If the price is sweet on the Fisher get it. Perhaps you could trade for an Eico .......

13: Re: Eico HF-35 and Heathkit W7-m (newbie questions) (6.58)
Posted by 3moons on 2003-11-10, 20:17:31 (24.1.145.56)
The folks here may have answers for you. http://groups.yahoo.com/group/eico/ .......

14: based on your tale, my SUGGESTION would be... (6.57)
Posted by mhardy6647 on 2014-03-04, 05:45:33 (69.130.18.190)
Forget the seller; I'd encourage you not to forget about EICO - there are other EICO flavored ways to get an HF-81 that might (?!) be more cost effective. Find a pair of HF-12 mono integrated amps. Fi .......

15: RE: Eico & VM Vintage Gear (6.55)
Posted by Neff on 2009-03-20, 06:54:09 (68.246.195.46)
I am refering to specific audio gear. Eico VOM's and other Eico test equipment are available all the time. .......

16: Re: Eico st40 restoration (6.53)
Posted by sober_n_lucid on 2004-09-06, 16:31:45 (207.224.68.85)
There's an EICO group that you may want to check out. You'll have to register, but that's not big deal. Ask them about enhancing the performance of the loudness switch. BTW, I have the ST40, ST96 and .......

17: RE: Heathkit AR-15 and Eico ST-40 (6.52)
Posted by Michael Samra on 2013-11-09, 18:26:59 (97.84.194.114)
I know the Eico ST-40 it's not one of the better Eico's but by no means junk. If it were me I would just sell it as is. If everyone here had even slight clue how wonderful ST-40 sounds when rebuil .......

18: RE: EICO HF-12 ? AR tuntable ? Wharfdale speaker ? (6.48)
Posted by Mossback on 2010-02-18, 01:29:14 (130.76.32.16)
I agree the amp in not an Eico and could be a Lafayette, I'm not sure what the heck it is. Maybe the tuner is Knight? If not for the slanted face or widith it would look a lot like an early Eico. ::: .......

19: Re: eico hf-81 (6.47)
Posted by Mossback on 2004-10-15, 02:11:52 (67.5.152.246)
What Ron said. And yes you now own one of the (IMO) best integrated amps made. Yahoo Eico link .......

20: RE: Heathkit AR-15 and Eico ST-40 (6.41)
Posted by Mossback on 2013-11-09, 13:06:17 (71.231.27.235)
I know the Eico ST-40 it's not one of the better Eico's but by no means junk. If it were me I would just sell it as is. .......

21: Re: Cabinet of my Eico HF-85 (6.39)
Posted by Richard CWY on 2005-03-27, 07:31:57 (221.124.98.253)
You can work on other EICO amps - HF-12, HF-65, HF-61, etc. with the same method.. as far as the lettering have been etched into the brass faceplates. My pair of HF-65 mono preamps! :) .......

22: RE: Eico Hf60 restore question (6.37)
Posted by tubeflash on 2010-07-01, 01:25:04 (76.173.47.175)
i have done a few eico restorations. i could not find a good match of the eico/acro hammertone gray in spray cans, they are lighter in color or darker in color. my local paint manufacturer(cardinal) i .......

23: Re: EICO 2536 schematic (6.37)
Posted by Flyquail56 on 2003-11-22, 10:04:27 (68.18.76.205)
Join the Eico Yahoo group, then you can access the schematic in the Files section there. It is a little marked up, but should still be quite useable. Best regards, Mike .......

24: RE: HF-81 has similar preamp to Eico HF85 (6.32)
Posted by rmyauck on 2012-06-01, 15:59:45 (74.198.151.44)
Eico HF-12 Schem. Eico yahoo group has manual pdf , but can't post pdf. .......

25: RE: Eico HF12 Voltage Check Request (6.30)
Posted by Mossback on 2008-04-28, 09:53:14 (71.231.216.51)
The Eico Yahoo group has that info in the files section along with a lot of helpful folks from around the world willing to help. .......

26: 'rent's system (6.30)
Posted by bens on 2004-01-08, 14:17:44 (67.101.153.217)
...played a big part of my childhood imagination. They bought it from a fireman who built kits in his spare time: Eico HF87 Eico pre-amp and tuner Dual 1010 AR2a's Sure wish I'd held onto those Eico's .......

27: Probably Bob Higgins' site (?)... (6.28)
Posted by mrh (Mark Hardy) on 2001-07-11, 14:59:52 (199.93.107.66)
... http://users.rcn.com/fiddler.interport//EICO.HTM A nice site for us EICO-nuts. If there's another one out there, I'd sure like to know about it :-) all the best, mrh Unofficial EICO page ::: TO .......

28: Re: EICO HF-50 restoration report (6.28)
Posted by Richard CWY on 2002-09-29, 19:48:58 (202.128.225.3)
You are most welcome! Richard .......

29: Spares for Eico amps (6.28)
Posted by akolegov on 2014-05-10, 21:00:43 (93.174.93.145)
Why could recommend a reliable source for Eico spares (if such source exists at all)? I would purchase a perforated cover and a bottom lid for the Eico HF81 amplifier. .......

30: Advice needed on Eico HF86 (6.28)
Posted by stevenwmc2002 on 2004-03-03, 07:41:09 (218.103.245.49)
Some popping sound was generated by my Eico HF86 after it was turned on for about 20 minutes. The top of one of the rectifier tube EZ81 was darkened. What's wrong with my Eico? Is it caused by the fil .......

31: EICO's stories (6.26)
Posted by Richard CWY on 2002-10-01, 18:18:38 (202.128.225.3)
See the chats on EICO's stories in the link below: http://groups.yahoo.com/group/eico/message/135 Additional stories welcome! Richard .......

32: Re: Found an Eico HF-22... NOW what I do I do? (6.23)
Posted by Mossback on 2003-09-03, 17:12:54 (67.3.90.31)
Great amp! You'll need to match the speaker load. Do your integrated amps have a pre-out? Otherwise your going to need a preamp to connect to the line in. Don't use the "out" from your integrated. The .......

33: Re: Welcome to join the EICO amps eGroup (6.23)
Posted by Richard CWY on 2002-09-10, 00:49:08 (210.3.46.41)
Thanks for the positive response. The current topic there is about an Eico HF-50. Do click below to visit the dedicated EICOs online group. Richard .......

34: Re: Eico HF-89 (6.22)
Posted by PureAudio on 2002-09-30, 16:05:10 (64.197.226.43)
Another great site for Eico schematics (I don't know if they have yours) and a great links section. As you probably know, there are a lot of 'vintage manuals' sites on the web that would probably have .......

35: Re: HF-81, tone control bypass (6.22)
Posted by Mossback on 2005-11-27, 20:41:00 (67.160.54.86)
Yahoo Eico group has this mod as well as many other useful files. .......

36: this probably won't help but... (6.22)
Posted by mrh (Mark Hardy) on 2003-04-05, 13:02:03 (152.163.188.5)
... there is a wonderful resource for EICO information at Bob Higgins' "Unofficial EICO Page" (link below). This site is very biased to the truly outstanding EICO tube gear that came before the Rx you .......

37: EICO ST40 (6.18)
Posted by REL54 on 2001-11-20, 17:33:59 (64.12.104.32)
I recently was given an EICO ST40 amplifier and the matching (?) EICO ST96 tuner. I would like to modify the amp and I haven't been able to find a complete schematic for either of the above items. Sev .......

38: Eico schematics and manuals (6.18)
Posted by johnmil on 2014-01-09, 11:33:22 (68.93.65.170)
Eico manuals and schematics are available for download at this site. B+ appears to be around 400 volts .......

39: Re: What's a good integrated to get started with? Scott, EICO, Sherwood? (6.18)
Posted by REL54 on 2007-02-14, 15:41:36 (138.162.0.41)
EICO amps that are upgraded and tweaked a little can sound very good for less than most other brands. Get a ST40 or ST70 and the schematics are not hard to come by. These amps respond well to tweaks a .......

40: you might try (6.16)
Posted by realistico on 2015-04-14, 06:21:50 (100.0.93.179)
to find an Eico. Sure some of the Eico pieces go for big bucks, but I think there may be some pieces out there 'under the radar' especially mono preamps, like perhaps the HF-65 and HF-61. Sure, everyo .......

41: RE: Eico Parts- reference post 2 months ago (6.15)
Posted by Mossback on 2008-10-24, 16:10:16 (71.231.216.51)
Phishing? Found on the Eico Yahoo group a few months ago. Second time this year someone posted finding a stash of Eico goodies. No real details. .......

42: Re: Eico integrated and seperates question (6.15)
Posted by Flyquail56 on 2004-12-05, 06:44:30 (68.210.149.90)
Hi Charles, There seem to be fans of almost every Eico product, but the most talked-about integrateds seem to be the HF-81 or a pair of mono HF-12s in the HF series, and the ST-40 and ST-70 in the lat .......

43: RE: OK, how about a SS EICO? (6.15)
Posted by Brian Levy on 2008-09-07, 13:28:11 (72.137.179.66)
I have the matching EICO tuner that makes up the tuner in the receiver. The MPX is not working but cosmetically it looks nice. I see rivets so it is a factory built unit. If you decide to get rid og t .......

44: RE: Heathkit 151 vs. Eico HF-81 (6.14)
Posted by Scholl on 2013-11-04, 13:26:21 (173.67.187.190)
I've had both but the Eico was back in the mid 90s and the 151 a few years ago. I thought the Eico was a little thin sounding for my taste. I heavily tweaked the 151 and it had a very good sound overa .......

45: Re: EICO HF 85 preamp (6.14)
Posted by mrh (Mark Hardy) on 2001-05-26, 19:41:07 (152.163.205.72)
Yes, very... that's what I use with my Cornys and my Paramours. Take a look at Bob Higgin's "Unofficial EICO Page" for somewhat more info and a schematic. Would I lie to you? :-) all the best, mrh U .......

46: Re: Eico 32 tube amp need info and help please read (6.12)
Posted by Ron Oehlert on 2004-12-17, 20:57:13 (68.103.7.136)
Search here for Eico and find link to Eico home page, search in tubes for typical el84 comments. See completed auctions for selling prices. .......

47: Re: Eico HF12 phono stage (6.12)
Posted by Ron Oehlert on 2006-05-30, 11:15:35 (68.103.12.221)
Yes it does have a magnetic phono input (magnetic cartridge inputs include riaa eq.). Insert eico into this forum's Text-to-Find box at upper right of forum page & view previous Eico posts; search-ret .......

48: Re: Is Eico 2536 receiver really the same as HF81 with tuner? (6.11)
Posted by Mossback on 2005-05-21, 12:07:41 (67.160.54.86)
My HF-81 OT's part# is 320013. I don't think the 2536 Classic series integrated Amplifier is the same as the older gear. .......

49: Re: Eico "Classic" and "ST" series (6.10)
Posted by Richard CWY on 2002-06-24, 05:41:15 (210.3.46.40)
Dear Gerard, I know this unofficial Eico website before. No doubt that this is marvellous site where we can download many Eico schematics free. But clearly there is no such information that I wish to .......

50: Trafo for Eico HF 81 (6.08)
Posted by Sebastian on 2003-01-10, 06:35:37 (134.2.3.103)
I need a transformer for an Eico HF-81 but i am not sure what I should look for. A friend has an old trafo from a Dynako MK2 amplifier: could it be used with the Eico? What specs should I look for? Re .......

51: Re: Eico HF 81 Humm (6.08)
Posted by TerryGFitz on 2005-05-04, 08:11:38 (199.207.253.101)
Thanks for the info and the picture. I haven't tested the Eico with my Cornwalls yet. I am still afraid of cooking them until I feel that the Eico is stable. Is the humm that unbearable with the Cornw .......

52: Re: EICO HF86 (6.08)
Posted by Richard CWY on 2003-02-17, 01:19:20 (202.128.225.3)
Yes, Wima blackbox 0.022uF/400V is a good replacement for the original ceramic disc caps (0.025uF) in EICO HF-86/HF-81. It is small in size and can fit very well into the space. Another guy found Ari .......

53: Easy to recommend........ (6.07)
Posted by Jimmy on 2006-05-08, 04:33:11 (69.179.61.91)
EICO 2200 Classic for about $75. In stock form it is about equal to a Scott 350D. Most audiophiles have not the slightest idea how good the EICO 2200 Classic sounds with simple parts upgrades. View my .......

54: Re: EICO st 40 (6.06)
Posted by REL54 on 2005-08-15, 04:04:00 (199.208.213.35)
ergo, well, my EICO ST40 is heavily modded so it might not be a valid assessment. The ST40 can be a fine amp if tweaked. If you're thinking of buying one, I doubt that you'd be disappointed. If you ar .......

55: Re: Dynaco ST-70 vs Eico HF-87 Anyone Familiar with Both of These? (6.06)
Posted by REL54 on 2004-03-06, 20:11:06 (63.233.250.100)
since this particular amp is being discussed, let me ask a question about it: does this amp have to have a preamp with it or will it go on it's own? I have an EICO ST40 and ST96 and would like to have .......

56: Can Eico's transformers be adapted to 220V? (6.06)
Posted by Raver on 2002-01-11, 01:35:08 (151.26.137.104)
I live in Europe and here we have 220V. I am interested in Eico amps (HF81, ST40, ST70). Do you know if some of these Eico transformers can be adapted to 220V without using a stepdown transformer? Tha .......

57: Re: Ouch ... That hurt !!!! (6.04)
Posted by KLHman on 2005-07-16, 17:51:37 (4.143.23.31)
No, we should not rule out vintage audio based on age alone. Value for dollars, that's what I am saying, I've seen people paid $400 and above on a Eico 81, all because there's a web article with prett .......

58: I have an Eico HFT-92 in museum condition. Enjoy! For ... (6.04)
Posted by PureAudio on 2006-03-21, 14:35:44 (165.234.82.127)
... a really sweet taste in tube mono tuner, try a Sherwood. My favorite is the S-3000 (FM only). The Eico tuners in 'as designed' condition are fun little units, though, and match the amp, of course. .......

59: EICO HF-60 vs Leak TL12.1 (6.02)
Posted by Richard CWY on 2003-03-29, 18:06:09 (210.3.46.55)
I just wrote a report on the EICO HF-60 and Leak TL12.1 party. Go to have a look for fun and sharing.. :) Richard .......

60: If your serious about the Eico.. (6.01)
Posted by marc-homeslice on 2004-03-07, 11:28:19 (68.36.227.156)
..you should definetly go to the Eico (Yahoo) Group. It's been up for a few years and is hosted by a very nice, serious Hong Kong based collector named Richard -- he posts here from time-to-time -- Sh .......

61: Re: Quad II vs. Eico HF-22 (6.00)
Posted by Thermionic on 2003-05-01, 07:39:47 (216.221.81.97)
FWIW I'd take the Eico's. I've owned both and prefer the Eico sound over the quads by a large margin. Plus the Eicos lend themselves to modification more readily than the Quads so that you can turn th .......

62: Re: How well are vintage tube preamps suited for digital sources? (5.99)
Posted by rob m on 2002-10-13, 21:58:58 (24.83.120.62)
I agree with walter on this one.My tube amp is a Eico st70,and my ht av reciver is yamaha rxv-800,i run the psb image4t mains from my Eico and psb center,two rears,and sub through the yamaha. A friend .......

63: Re: Does anyone here have an eico hf87 that you notice runs hot? (5.99)
Posted by ronmunger2@diamondcs.net on 2006-05-13, 19:20:40 (64.112.203.123)
My ST40 Eico has always run hot since I got it about 4 years ago. It doesn't seem to change and sounds great but I've always noticed it is much hotter than my other equipment and I believe I've read o .......

64: RE: Eico HF85 preamps are sweet... (5.97)
Posted by David Yost on 2012-06-01, 04:47:55 (72.152.251.12)
... and going up, Up, UP. .......

65: EICO ST-70 "Output Tranny Wiring Flaw!" (5.96)
Posted by Richard CWY on 2002-09-23, 08:13:45 (210.3.46.38)
In the relevant part on the following webpage: http://www.pacificdecal.com/tubes.htm it was said that there is "output tranny wiring flaw" in EICO ST-70 integrated amps. But I have different findings .......

66: Re: Sounds good to me... (5.94)
Posted by tubetwang on 2003-07-20, 12:56:18 (24.201.142.111)
I got an EICO HFT90 monaural a few years ago that came with a pair of Eico amps. 6au6 were a little week and i replaced them with RCA's. Got a photocopied manual from Mark Hardy, thanks again Mark. I .......

67: Eico HF81 (5.94)
Posted by akolegov on 2014-06-22, 03:16:41 (93.174.93.145)
Eico HF81 sold on e-bay for $1025. Is it a world record or not yet? http://www.ebay.com/itm/Eico-Integrated-Stereo-Tube-Amplifier-Model-HF-81-Looks-Works-Great-NR-/121361862410?pt=Vintage_Electronics_ .......

68: Re: eico hf-81 vs fisher 400 (5.94)
Posted by audiquattro on 2004-12-28, 07:47:44 (199.29.247.140)
Not sure if that's a fair comparison since the fishers are able to crank 10 more watts than the Eico HF-81. A better comparision would be Eico ST-40 vs Fisher 400 in the same power range. .......

69: Re: EICO HF-85 as a phono stage? Opine away! (5.91)
Posted by microbe on 2003-09-10, 19:56:45 (63.250.134.19)
How would you use the Eico as a stand-alone phono stage? Go through the tape out into your integrated? I'm sure the Eico phono stage is pretty decent but I'd worry about an impedance mismatch going in .......

70: Re: the saga of an eico hf-12 continues... (5.88)
Posted by Bold Eagle on 2004-09-21, 11:34:12 (162.40.58.47)
I had the same experience with my Eico HF-20. The transformer got way too hot to touch. I eventually replaced it with a very large Chicago potted transformer (same size as the output) and that stayed .......

71: eico hf-81 vs sherwood s5500/2 (5.86)
Posted by vivid 2 on 2005-03-19, 09:45:35 (24.57.194.117)
i think i'm reading to much and wanting to buy everything, i had the eico all tricked out auricaps the whole nine yards, same was done on my fisher 400, so now comes a oppurtunity to get some sherwood .......

72: RE: Eico hf-85 (5.86)
Posted by rodgen on 2008-07-21, 05:31:33 (121.54.74.90)
Thanks for your thoughts Dave, I also feel the same way with regards to the eico. The Scott 130 is a really neat preamp and I could have a chance of getting one but i haven't heard one at it's best. .......

73: The Value of Shine . . . Record Price f/Eico HF-81?? (5.86)
Posted by FlaCharlie on 2005-11-20, 06:36:01 (24.250.217.106)
If you're selling on ebay - get out the polish! . . . .......

74: Which amps have the same output transformer as the Eico HF81?? (5.86)
Posted by Mr Blue Sky on 2006-09-16, 19:01:49 (69.107.78.31)
I need an output transformer for an Eico HF81. Does anyone know if there are any other Eico amps that share the same transformer such as the HF20 or HF12 or something? .......

75: Eico HF-60 (5.86)
Posted by Richard CWY on 2002-05-22, 07:00:07 (210.3.46.61)
Dear Fans, I have recently bought an Eico HF-60 through eBay. The item should be arriving soon. Do you have any advice on the checking and restoration of the vintage gear, please? Richard P.s. I have .......

76: Eico Parts- reference post 2 months ago (5.85)
Posted by Neff on 2008-10-24, 15:25:23 (205.188.116.141)
I read a post on AA a person purchased a huge lot of factory stock parts from Eico. Anyone knows this person? I need a multiplexer from EICO Classic series for modifications to remove HD sideband inte .......

77: The PP transformers in the Eico EL-84 kits... (5.85)
Posted by Ivan303 on 2017-06-03, 16:51:59 (198.27.242.3)
both power amps and integrated (same OT) were great. IIRC Eico had no ultra-linear taps like the Dynaco, but all other things being equal, I preferred the Eico to the Dynaco (EL-84 PP). .......

78: Re: Eico fans in the Bay Area? (5.84)
Posted by EdT on 2001-07-23, 11:03:21 (192.9.25.22)
no Eico, have a scott, and would like to see your OTL project :) .......

79: Re: eico hf81 vs sherwood s5000/2 (5.83)
Posted by Mossback on 2005-03-16, 13:40:03 (67.5.154.253)
I own several Eico's incuding the HF-81. One of the best amps I have heard. The one Sherwood I owned used a 7591, I think. This tube type would have more power at ~30w the Eico EL-84 is ~12w. I like a .......

80: Re: EICO st 40 (5.78)
Posted by anumber1 on 2005-08-15, 05:43:39 (66.227.173.178)
I have compared a Scott LK-72 to an Eico St-40. It wasn't a fair comarison due to the fact that the Scott has almost double the power of the Eico. The Scott sound is more "natural" while the Eico is m .......

81: EICO HiFi gear.... (5.78)
Posted by HOK on 2004-04-15, 04:44:17 (67.37.234.228)
they made quite a few highly regarded amps. Check this cool site for infor http://users.rcn.com/jlaskey.enteract/captognd.JPG? .......

82: Heathkit 151 vs. Eico HF-81 (5.76)
Posted by akolegov on 2013-11-04, 13:03:21 (85.141.239.100)
How would Heathkit 151 compare with Eico HF-81? I am asking because I seem to miss the chance to buy the Eico but there is another offer - Heathkit 151 amp. .......

83: Help needed: Eico-HF 81 fuse question (5.76)
Posted by dubai2000 on 2007-06-28, 12:55:31 (89.48.157.35)
Hi all, I just tried to turn on my Eico and, darn, the fuse got blown. Can somebody please tell me which replacement I need to get? All I can decipher on the blown fuse is that it seems to be a 3A one .......

84: Re: Eico HF 86 (5.75)
Posted by marc-homeslice on 2003-05-23, 11:34:26 (138.89.178.96)
Not that i'm looking for 'right now", but there are a couple HF 89, that use EL34s for output -- what are your thoughts on this one? -- If the 86 is as large as the 89 i think i would get an Eico inte .......

85: Re: What stuff can I use to clean Eico, Scott, etc, faceplates & chassis? (5.75)
Posted by epador on 2002-03-31, 16:42:34 (68.11.222.34)
I posted about my Eico HF-81 a couple of posts below. The first reply contains a link to a page which contains another link to another page that talks about cleaning Eico faceplates. If I knew how to .......

86: Re: eico hf89 (5.74)
Posted by elflow on 2005-12-04, 07:28:25 (209.131.217.219)
Hi, I was involved in hi fi back when Eico was making these amps, had had a ST70 back then. Eico was one of the low price three of the trade. And while their products are respectable, their were a lo .......

87: will the sherwood walk over the eico ???? (5.74)
Posted by vivid 2 on 2005-07-25, 19:30:16 (24.57.194.117)
well ???? the s5500 with 7868's or the eico hf-81 ???? which will kick some %^^^^^$#$@!!.. .......

88: Nope (5.72)
Posted by Mossback on 2005-07-25, 21:09:54 (130.76.32.145)
I had a Sherwood 5500 for a short time. I own two Eico HF81's now. To my ears the Eico is the better of the two. .......

89: Where are all the Eico tube receivers? (5.72)
Posted by Neff on 2008-06-12, 19:02:52 (64.12.116.141)
I just do not find these for sale often? Eico 2510 or 2536 for example. Are these rare? .......

90: RE: Eico 2536 schematic (5.72)
Posted by BofService on 2016-01-27, 09:27:21 (167.192.187.109)
Eico group on yahoo in the files section, page 1 .......

91: EICO HF-50 restoration report (5.72)
Posted by Richard CWY on 2002-09-29, 04:03:41 (210.3.46.58)
Welcome to see my report on the restoration or a pair of EICO HF-50 monoblocs at http://groups.yahoo.com/group/eico/message/106. Richard .......

92: well... (5.71)
Posted by mrh (Mark Hardy) on 2003-12-23, 12:05:46 (65.246.187.164)
... I'm sure I looked the same places you did, and I'm sure you've seen: http://groups.yahoo.com/group/eico/message/494?source=1 Assuming that post's correct, it's a receiver with a SE EL84 amp. Is th .......

93: How good a preamp is the EICO HF-85? (5.71)
Posted by epador on 2001-10-02, 09:51:09 (24.181.126.155)
I could get an EICO HF-85 for cheap, but it is not working properly and needs a lot of attention. I'm trying to find out if it will be worth the effort. I'd be using it with a Dynaco ST70 with Triode .......

94: Re: Eico HF-81 again: Holy Cow!!!! (5.71)
Posted by REL4 on 2002-03-31, 17:55:08 (205.188.199.31)
Epador, I have an EICO ST40 whose power tranny gets VERY hot, but the paperwork (from EICO) for the thing says that the transformer SHOULD run hot. They say that the normal operating temp should be be .......

95: Desperatly seeking EICO 2536 schematic (5.69)
Posted by Gate on 2002-10-12, 17:10:09 (12.79.131.234)
Please help. A tech has had my EICO 2536 receiver for over 9 months. In need of a schematic to give to this person before I just give up and reclaim the thing. Any leads will be greatly appreciated. H .......

96: RE: Eico hf-85 or Conrad johnson pv-3 ? (5.69)
Posted by PeterI on 2008-07-21, 09:27:01 (71.218.203.78)
I have the Eico HF85 and the CJ PV-2a. The Eico is infinitely simpler and has the option of using the tape out jacks to your amp, bypassing the tone controls. I did a lot of work on my HF85 and it .......

97: Re: Eico HF-81 again: Holy Cow!!!! (5.69)
Posted by epador on 2002-03-31, 16:39:25 (68.11.222.34)
Thanks a lot for the link on your site to that Eico page. Very nice info. Been listening to this thing all day, and I can't get enough of it. Actually the longer it's on (the hotter it gets), the bett .......

98: Re: Dynaco ST-70 vs Eico HF-87 Anyone Familiar with Both of These? (5.68)
Posted by 00p225 on 2004-03-09, 14:51:13 (67.2.216.1)
The Eico HF-87 was meant to be used with a preamp, but it has gain controls for both channels and can be used by itself using the gain for volume controls. I don't recall the input inpedance, but all .......

99: Well done. (5.68)
Posted by Mossback on 2004-03-22, 04:54:37 (67.5.152.14)
Nice job Richard! After the caps break in let us know how the Fisher compairs with the Eico. Yea, I know the Eico is better ;^) .......

100: Re: EICO st 40 (5.68)
Posted by Mossback on 2005-08-14, 19:32:06 (67.160.54.86)
ST70 betters the Eico ST40. Not a bad sound sounding amp though. .......

101: 32010= Eico EL84 output transformer number from.... (5.63)
Posted by Mossback on 2007-06-20, 03:07:43 (130.76.32.145)
an Eico 2036 integrated stereo amplifier. .......

102: RE: Need help identifying wooden case (5.63)
Posted by Neff on 2008-12-11, 07:47:56 (68.247.98.106)
Eico used two cases. I will check the Eico Classic series size and get back to you. .......

103: Eico ST-70 vs. HH Scott 345, 340B, 380 (5.63)
Posted by JWK on 2001-10-18, 10:20:11 (64.209.30.151)
The transformers in the HH Scott look a lot bigger than the Eico. It is also rated at 45 watts per channel as opposed to the Eico 35 watts. Does anyone have any first hand experience with comparing th .......

104: RE: Eico ST70 (5.62)
Posted by dadbar on 2014-01-09, 08:21:13 (72.74.57.149)
The Eico ST70 is a really nice piece. My friend Roger's parents had one when I was growing up..and I thought it was the coolest thing on the planet until my friend Michael's father bought a Fisher 400 .......

105: Eico HF-89a question (5.62)
Posted by johnmil on 2010-12-15, 08:57:59 (69.151.36.79)
Eico HF-89A question. Does someone have a schematic of the Eico HF-89a? My specific need is to know the value and location the low value capacitor that is attatched to the grid of V 2 and V 3. What is .......

106: EICO Reciver (5.61)
Posted by SPEAKERNUT on 2003-04-05, 08:52:37 (205.157.244.33)
Does have any info or even remember Eico stereo recievers made back in the mid to late sixtes? .......

107: Re: eico driver tubes help (5.59)
Posted by bamadawg_63 on 2005-01-15, 20:43:22 (68.185.252.154)
I use RCA Clear-Tops in my HF-81 with NOS EICO Mullard 6BQ5's. .......

108: Eico (5.59)
Posted by Mossback on 2013-11-04, 19:16:46 (130.76.32.199)
I've heard stock and rebuilt Heathkit 151's, they are nice units. The Eico is more musical to my ears. .......

109: Re: Cabinet of my Eico HF-85 (5.59)
Posted by Richard CWY on 2005-03-27, 11:17:51 (221.124.98.253)
Photo showing an EICO HF-85 faceplate, before its POLISH by #1,000 abrasive paper and RE-COATING by laquer spray. .......

110: Bias adjustment in Eico 20 mono amplifiers (5.59)
Posted by tubers on 2010-05-01, 01:48:01 (91.76.86.199)
My friend who has an Eico 20 mono amplifiers is wondering how bias is adjusted in his Eico 20 mono amplifiers. Is it auto- or manually biased? Should he readjust the bias when he changes the 5U4G rect .......

111: Re: eico p/n 29750 PC-1 printed circuit(loudness) (5.59)
Posted by Brian Levy on 2003-02-18, 06:04:47 (204.225.95.66)
I know. EICO referred to these as "Potted Components" (really PECs)and hence the nomencature "PC". Great idea in theory since it was designed to closely match tolorances between channels and make it e .......

112: $1000 Eico HF-81 (5.59)
Posted by FlaCharlie on 2006-05-23, 18:36:08 (24.250.193.135)
While it's nice that vintage gear is getting some attention, it certainly seems to have affected the price of these, as Dr. Eico mentioned. I feel lucky that I was able to pick up a pristine, factory- .......

113: Re: Eico ST-40 Triode Mod (5.58)
Posted by REL54 on 2007-03-22, 20:34:01 (138.162.5.10)
I have the schematic at the house. I'll look it up. Also, I'll post the web site for the EICO page and the yahoo user's EICO group. If you have an ST40 you should really get on the yahoo group. Richar .......

114: RE: Need value of the can electrolytic for the Eico HF60 (5.57)
Posted by rmyauck on 2012-06-04, 16:36:46 (74.198.151.52)
Helpful to join Eico yahoo.com group for more info! See Jim McShane Tubes for maybe a kit of caps etc., & he sells singles. You could add a choke and a lot more capacitance in that PS. You would lea .......

115: also try (5.57)
Posted by Oface on 2008-05-15, 09:33:18 (71.29.36.231)
and post in the eico yahoo group.... there should be someone there to give you more info.... .......

116: hey now! hey now! EICO EICO (5.56)
Posted by mhardy6647 on 2014-10-08, 19:05:29 (69.130.18.43)
.......

117: Problem solved-EICO site has all info (5.56)
Posted by Raanan on 2001-07-11, 03:24:35 (62.0.144.82)
The EICO site has full details. .......

118: RE: hey now! hey now! EICO EICO (5.55)
Posted by spindoctor on 2014-10-08, 19:12:29 (172.243.131.161)
So now... the suspense begins!!!! Where do you go from here? Sim .......

119: RE: hey now! hey now! EICO EICO (5.55)
Posted by akolegov on 2014-10-09, 02:04:30 (213.33.155.58)
So what? is it an ad? Are they stock or restored? .......

120: Re: Dynaco ST-70 vs Eico HF-87 Anyone Familiar with Both of These? (5.55)
Posted by Mossback on 2004-03-06, 11:14:51 (67.5.153.251)
Agree 100% with johnmil the Eico is a much better sounding amp. .......

121: Re: EICO HF-60 MANUAL (5.55)
Posted by Mossback on 2007-05-11, 20:21:28 (76.104.206.230)
Rodney, try over at the Yahoo EICO group. Lots of useful info there. Good luck with your project. .......

122: THat is a switch to parallel the amp sections to make the amp a higher power mono. (5.55)
Posted by Michael Samra on 2015-01-13, 17:53:13 (108.206.254.133)
Here is a manual to your amp…The HF-81 is actually a dual mono amp with separate rectifier tubes. Looking at the amp from the front,the slide switch on the deck or chassis as we call it should be set .......

123: Eico st70! (5.54)
Posted by rob m on 2003-10-08, 18:34:09 (24.69.255.237)
The old Eico is up and running,sounds great. A couple of questions with the balance control.When all the way to the left there is still sound through right channel,and the same when moved to the right .......

124: Eico HF81 (5.54)
Posted by Mossback on 2005-09-28, 21:51:15 (67.160.54.86)
The Eico HF81 is one of the better vintage amps. It would match your speakers well. .......

125: RE: Which Tester ? (5.53)
Posted by maxhifi on 2016-03-22, 13:12:18 (174.90.223.192)
I have two testers, an eico 667 and a military tv-7 I suggest to keep the eico for the following reasons: 1. It does a great job checking heater to cathode leakage, not all testers do this 2. It test .......

126: So to clarify the questions I asked below . . . (5.53)
Posted by Beatlebug on 2006-10-16, 10:44:36 (151.151.73.167)
if I was planning on the Marantz 1060 as the best choice for the SS side of my vintage system, would it's preamp section: 1. work properly with my Eico HF 86? 2. do justice to my Eico HF 86? While we' .......

127: Re: Eico guru needed.... Output tranny question (5.52)
Posted by Tom Bavis on 2005-03-08, 17:11:21 (24.169.145.97)
EICO part number 32008 - 4100 OhmsCT to 4-8-16 - used in both. .......

128: RE: not urgent :) (5.51)
Posted by Akolegov88 on 2019-08-17, 05:22:41 (109.252.90.98)
Sorry I posted wrong pictures (the ones I found in my PC) - it was someone else's Eico. I attach now the actual pics of my own Eico. I don't know whether there are any ceramic caps or not. ::: TOP .......

129: RE: Eico HF 81 inputs (5.51)
Posted by 6bq5 on 2012-12-20, 14:20:20 (63.80.253.3)
take your pick- Google images is your friend .......

130: Re: Eico fans in the Bay Area? (5.50)
Posted by Greg B on 2001-07-22, 14:35:25 (206.170.1.190)
Hey, I live there (here) right in the SOMA area in SF, in a conveniently centrally located warehouse space. I've only had my Eico ST70 for a little while, but I am already a fan. Maybe it could be a c .......

131: Re: Information about Eico and the EICO HF-81 (5.50)
Posted by Bart (mech986) on 2003-11-17, 15:53:14 (12.106.89.75)
Hi Dennis, sorry to hear about your wife. I hope you all are holding up well. Here is a link to a site which describes the HF-81, the basics as well as some potential pitfalls and mods. His page also .......

132: oops, I screwed up a link... (5.50)
Posted by mrh (Mark Hardy) on 2001-10-12, 10:58:48 (199.93.107.66)
... Take a look at Bob Higgins' EICO page for more EICO information. all the best, mrh .......

133: Yahoo EICO group? (5.49)
Posted by RONLE on 2005-02-28, 16:07:19 (4.239.240.185)
anyone know what happen to the Eico group. no postings and disable for the past week?? .......

134: Re: 8x EL84 Stereo amp (5.49)
Posted by Flyquail56 on 2004-03-28, 09:49:45 (68.18.71.224)
Eico HF-30 monoblock and HF-32 mono integrated are two that come to mind. Best regards, Mike .......

135: Thanks for the tips, this is what I want (5.47)
Posted by walter on 2002-11-02, 18:13:05 (68.11.222.34)
I just really like that Eico. I compared it to the Mark IIIs with a Dyna PAS preamp, but aside from the nice power of the Dynas, I felt the Eico sounds more beautiful. There's just something about tha .......

136: Re: May Need Help Finding Replace. for Eico AM Antenna (5.47)
Posted by merrylander on 2003-06-26, 09:51:28 (192.91.75.29)
Marc, if anyone more familiar with Eico can help, the one I offered is from a Marantz 2230 and I believe did form part of the tuned cct. Rob .......

137: Tell me more about this Eico HF-81 (5.46)
Posted by airtime on 2006-07-20, 18:50:01 (69.253.174.91)
Is this the integrated amp. I have heard some fantastic reviews about this unit. I have never had my hot little hands on any decent Eico gear unfortunatley. .......

138: RE: Need More Power; What Vintage Integrated is Easily Strapped over for Triode (5.46)
Posted by Neff on 2008-06-22, 06:12:15 (205.188.116.141)
Any 30-60 watt per channel amp with a low plate resistance driver/phase splitter. That means PP EL84s are not an option with approximately 8-watts available when triode connected. Not all amplifiers .......

139: Re: Eico ST-70 vs. 40 (5.46)
Posted by Ross on 2004-09-07, 13:38:48 (199.250.8.220)
Similar amps. BOTH use the 7591 output tube (HF-81 and I think 2020 used the EL-84). Eico ST-70 has larger output transformers and uses a Williamson amplifier circuit. Eico ST-40 uses a variation of t .......

140: Re: How good a preamp is the EICO HF-85? (5.46)
Posted by Brian Levy on 2001-10-02, 10:19:52 (207.61.56.133)
I used to build EICO kits back when and I personally preferred the EICO preamps/amp to Dyna preamp/power amps. Because both companies sold more kits, individual unit sound is variable. I also liked an .......

141: Will a vintage Eico transformer survive to european 50hz? (5.45)
Posted by Raver on 2002-02-01, 00:58:31 (151.26.191.186)
I am interested in a vintage Eico (HF-81, ST40 or ST70) but I have a question about the power transformer. We in Europe have 220V at 50hz while in Usa you have 120V at 60hz. So I don't know, if I use .......

142: Is this Bad, Ok or just Sick? (5.45)
Posted by Neff on 2008-10-24, 18:11:16 (205.188.116.141)
I know a 1964 Eico Classic series FM multiplexer is better than the 1962 version. So, I robbed my 1964 Eico Classic 2200 series tuner & placed that multiplexer in my 1962 SE Eico 2510. I am going to .......

143: Re: FISHER 80C preamps (5.44)
Posted by Richard CWY on 2004-03-21, 19:22:36 (202.128.225.41)
FISHER 80C mono preamps driving EICO HF-22 monoblocs - enjoy! .......

144: Re: Bias problem of EICO HF86 (5.44)
Posted by Ron Oehlert on 2004-12-07, 01:07:54 (68.103.7.136)
The resistor should measure 165 ohms. There is also a capacitor across the resistor; you can replace it with a 47uF/35v electrolitic capacitor from Radio Shack. The high bias allows too much current t .......

145: Eico AF-4 (5.44)
Posted by MartinRamon on 2007-08-10, 12:19:44 (201.245.251.111)
I need a SOT transformer for an Eico AF-4 but i am not sure what I should look for. What specs should I look for? Recommended brands/models? Thanks in advance. MartinR .......

146: Eico integrated and seperates question (5.43)
Posted by airtime on 2004-12-05, 06:07:05 (68.37.17.199)
I was poking around and looking at some eico gear. What were some of their "better" integrateds? I'm looking at a ST-70, HF85/86. Any amp models that stand out? charles .......

147: Re: EICO 2050 questions.... (5.42)
Posted by Mossback on 2005-06-08, 00:00:55 (67.160.54.86)
Yea, the PS transformers on Eico gear often runs hot. Is there a way you could feed it ~117v? Replacing caps now would be a good idea. .......

148: Roger Russell, Hegeman and Eico speakers (5.42)
Posted by Tom Brennan on 2009-02-16, 14:46:15 (74.140.141.202)
As usual ole Roger tells the story well. .......

149: Re: Trafo for Eico HF 81 (5.42)
Posted by Richard CWY on 2003-01-11, 06:40:31 (202.128.225.3)
HF-12 and HF-81 use the same part # output transformers. The only difference is that HF-81's does not have the outer metal covers that allow the tranie to stand up. In addition, non-working HF-12 usua .......

150: Eico HF87, plus Eico pre and tuner (5.41)
Posted by bens on 2004-04-20, 11:31:24 (67.100.50.193)
Stuff left over from my parent's hifi, I gave it all to a friend when I left for college. Oh well. .......

151: Which Eico do I keep? (5.40)
Posted by tubelover@aol.com on 2005-04-21, 16:26:10 (207.200.116.6)
i recently acquired an Acrosound S120 tube amp. now i have too many tube amps. which of the two eico's should i keep, the HF87 or HF89? .......

152: 138___ is Stancor EIA # plus mfg info. 32000 is Eico... (5.40)
Posted by Interstage Tranny on 2007-06-19, 12:55:08 (68.38.143.236)
I believe the 32000 # is an OEM # for Eico, good buddy... .......

153: RE: Eico 950A resistance capacitance comparitor bridge (5.40)
Posted by Crazy Dave on 2016-06-30, 09:16:45 (38.118.25.194)
How cool! I have an Eico 950B, and was wondering if I could get it working and useful. Dave .......

154: have you tired .. (5.40)
Posted by Oface on 2007-11-22, 10:46:41 (71.31.92.21)
asking at the Eico Yahoo groups site? here's the link ,, later,, chris .......

155: EICO HF-81 price (5.40)
Posted by Richard CWY on 2002-09-13, 20:31:28 (210.3.46.41)
In the eBay auction for an EICO HF-81 integrated stereo amp, the ending price was USD$540, the highest I have ever seen in the past 2 years.. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=1379468 .......

156: Re: Start here (5.40)
Posted by Gate on 2002-10-12, 18:57:58 (12.78.218.253)
Many thanks Airtime for taking an interest in wanting to help and your time in doing some research and then posting. Unfortunatly BTDT. Spoke with someone at Tennenbaums months ago who confirmed that .......

157: Re: Eico HF-52 (5.39)
Posted by Jelly Roll Mozart on 2001-11-02, 20:25:35 (165.121.34.79)
thanks guys, I checked out the Eico site that Mark suggested already. A brief blurb was all I could find. Actually, the tubes are EL34s, rather than 6550s. If anyone else has any info, it would be app .......

158: Re: EICO HF-81 price (5.38)
Posted by Brian Levy on 2002-09-19, 05:20:08 (204.225.95.66)
At those prices, its time for EICO to open up the electronics division and do a set of limited run of reissues in kit form. .......

159: RE: Any update? Such confusion, much entertainment... (5.38)
Posted by akolegov on 2014-05-26, 06:02:56 (213.33.155.58)
Good boy. He is obviously familiar with Eico, unlike me. You did not teach him to use a screwdriver to open Eico's cover, eh? I wish you as sincerely as I can not to buy anything from that seller. ::: .......

160: RE: Two Eico HF-12s, versus one Eico HF-81, my thoughts.... (5.38)
Posted by Scholl on 2007-06-09, 17:54:37 (71.59.65.145)
So many ideas, so little time and money. I have a few things on the bench but nothing is moving along. .......

161: OK, how about a SS EICO? (5.37)
Posted by mhardy6647 on 2008-09-07, 11:22:35 (68.189.243.166)
:-) No, I actually paid a little money for this one, and it's not cosmetically too spiffy, but it works and I was just always interested in seeing/hearing one of the latter-day EICO SS offerings. .......

162: ac convience outlets, Eico, Scott, etc. (5.37)
Posted by gkargreen on 2014-12-16, 13:11:23 (96.255.252.253)
howdy, can anyone point me to a replacement AC convienence outlet for my broken one I have on my Eico and Sherwood? thanks .......

163: EICO MX 99 MULTIPLEX DECODER (5.37)
Posted by Jolyon on 2003-09-20, 09:26:54 (81.77.68.91)
Hi everyone. I am converting an Eico MX99k multiplex stereo decoder for use in the UK. US ans UK FM transmissions have different levels of pre-emphasis so I'll need to adjust the de-emphasis of the de .......

164: RE: Eico 2536 schematic (5.35)
Posted by JURB on 2020-03-26, 01:14:51 (108.89.240.249)
"Eico group on yahoo in the files section, page 1" That thing has a pretty shitty FM front end. And it probably sounds great. lol .......

165: Re: Eico HF-85 faceplate (5.34)
Posted by marc-homeslice on 2004-05-27, 22:28:52 (68.36.227.156)
I have one, but unfortunately/fortunately it's currently still attached to the preamp that came with it. Look up the Eico, Yahoo Group - very nice guy Richard hosts it -- they are very knowledgable ab .......

166: Bell and Eico (5.31)
Posted by Mossback on 2012-08-24, 03:18:41 (130.76.32.217)
SOme of the late 1950's Bell preamplifier and integrated amps are very retro looking. Eico stuff is appealing to me simple but timeless plus much of it sounds great. .......

167: Re: Your preferred 6BQ5/EL84 vintage amp (5.30)
Posted by Francis S on 2002-11-13, 14:29:53 (192.44.136.113)
Here are some amps I own and frankly, I enjoy them all. I have yet to listen to an EL84-based amp I don't like. Eico HF-81 Heathkit AA-151 Eico HF-12 Eico AF-4 SE Fisher X-100-3 Lafayette 256 Dynaco .......

168: Need EICO ST70 manual (5.30)
Posted by Kevin on 2002-08-24, 10:14:16 (138.88.89.133)
Anyone know where I can download or somehow obtain a copy of an EICO ST70 manual? .......

169: Which EICOs have ultra Linear output? (5.30)
Posted by Richard CWY on 2002-10-17, 16:18:24 (210.3.46.53)
EICO HF-81 and HF-86 do not have 'ultra-linear' output? 'Ultra-linear' output design does not necessarily sound better? http://groups.yahoo.com/group/eico/message/187 Richard .......

170: RE: Vintage pic of the day (5.30)
Posted by Brian Levy on 2009-02-16, 13:36:37 (99.255.215.5)
A couple of years ago there was a pair for sale on the auction site. I did some web research and found some info on the EICO. Seriously doubt EICO sold many of them. .......

171: Eico & VM Vintage Gear (5.30)
Posted by Neff on 2009-03-19, 12:31:41 (173.101.244.144)
What happened to Eico Classic series receivers & tuners. Same with Voice of Music stereo amplifiers. I do not find these items for sale any longer. .......

172: Re: EICO knobs - HF-85, HF-81, HFt-94... (5.30)
Posted by JohnR on 2001-10-31, 17:21:34 (128.32.38.162)
I think I have some Eico knobs, drop me a line .......

173: Re: Eico HF20 (5.29)
Posted by Richard CWY on 2003-10-22, 02:22:29 (202.128.225.41)
In EICO's publications, EICO described HF-20 as a "Williamson amplifier". But in fact, it is a hybrid in that it has the Williamson design up to the power tube driving stages, PLUS an ultra-linear out .......

174: Re: 2 Questions Re: Vintage Tuners (5.29)
Posted by marc-homeslice on 2003-05-31, 16:15:44 (68.36.227.156)
re: my last post -- noted existence of Blackie Pogano, The Fisher Doctor, guy on Staten Island and guy in Poughkipsee (sp?) -- Deem most of these guys would be way too much $$$ for my wee Scott and Ei .......

175: Re: eico hf81 (5.29)
Posted by FlaCharlie on 2005-05-09, 15:22:14 (24.250.217.106)
Unless you listen at very loud volume I wouldn't worry. I'm not familiar with the naim (is that a SS amp or tube?) but if it has similar power the Eico should work fine. And don't worry about nonexist .......

176: Re: Eico "Classic" and "ST" series (5.28)
Posted by gerardk on 2002-06-24, 01:37:52 (64.0.145.168)
Hi there You might find the answers at the EICO home page. Regards -- Gerard .......

177: Eico HF-22 (5.28)
Posted by big muck on 2002-12-06, 19:33:48 (66.1.166.57)
Did the Eico HF-22 use Chicago output transformers? Anybody have any specs for it? .......

178: I would focus on condition rather then brand (5.28)
Posted by kbuzz on 2004-09-06, 12:10:42 (67.87.239.227)
The better approach i think is too see which unit will need work-and for proper and best sound they both at a minimum should be checked out by good tech (finding one is another story) The eico has qui .......

179: Something like an Eico HF 81 will work well with (5.27)
Posted by audiogatorjim on 2008-09-19, 01:59:52 (24.129.79.15)
your new speakers. Their efficiency is out of this world. I do agree the HK would be a good match as well and certainly less expensive than the Eico. A Sherwoood 7100 is also a good choice for little .......

180: Re: Eico HF-81 again: Holy Cow!!!! (5.27)
Posted by tbabb on 2002-03-31, 13:29:43 (12.249.47.122)
epador, Congrats on getting your EICO-HF 81 running ! I however don't think they are ugly at all. Take a look at mine. .......

181: Eico HF-89 (5.26)
Posted by mode on 2002-09-30, 13:18:05 (205.215.216.201)
Hi: I am looking for any leads on getting the Eico Hf-89 assembly instruments and/or schematic. I appreciate any information you folks might have. Thank you. .......

182: Re: Photo ~ EICO HF85 (5.26)
Posted by KLHman on 2005-03-25, 08:30:12 (205.153.56.10)
Here's my baby, but mine does't have the wooden cabinet. Is the cabinet custom made by you, or was it made by Eico? .......

183: Eico HF-81 power transformer...question...help (5.26)
Posted by Kozzmo on 2009-01-28, 08:44:54 (66.17.205.210)
Hello everyone, I replaced my eico HF-81 power transformer with one made by Heyboer for the eico. It is a drop in replacement. I have not tested voltages in the unit yet but I powered it up and playe .......

184: Re: Photo ~ EICO HF50 (5.26)
Posted by Bold Eagle on 2005-03-25, 16:04:04 (69.40.213.78)
Beautiful shots. But am I seeing things on the Eico HF-50. One set of photos shows tube caps on the 6SN7 and the other doesn't? Can you shed a little light on this? Jerry .......

185: yeah,,,,, (5.25)
Posted by Oface on 2008-10-24, 19:21:03 (98.21.99.171)
I saw the same spam add,, the guy never did come clean with any proof of info.. Just stated that he had came across a huge stash and would post details , and never really fulfilled any of it. I need .......

186: EICO ST-70 7591 to 5881/6l6 (5.25)
Posted by tripplewikked on 2005-01-23, 19:29:31 (68.38.163.113)
I love my st-70 but i am reluctant to overuse because i dont want to wear out those precious 7591's. I found many old tung sol 5881's and want to modify my eico to accept these. imformation is availab .......

187: Looking for a McIntosh 5100 AND a Eico ST-40 or 70 (5.25)
Posted by airtime on 2004-10-08, 17:43:34 (68.37.17.199)
So now that I sold off the "extras" I have little money in my pocket. Sure I had the audio monkey off my back but it's back, and it needs to be feed! So I'm on the look out for both a McIntosh MA-5100 .......

188: RE: Mike Samra'd Eico ST70 (5.25)
Posted by vernon30515@yahoo.com on 2011-08-13, 14:42:51 (75.89.250.4)
Funny thing is: I was using an 800C before I got the Eico in. The Eico is more detailed than Fisher. The Fisher has a warmer, fuller sound to it, more colored I guess? I love the sound of the 7591s, t .......

189: Eico st40 restoration (5.24)
Posted by nolitan777 on 2004-09-05, 19:28:45 (210.213.145.202)
hi all, inherited an eico st40. seems tobe running fine though havent had the chance to take it to a repairman for inspection. are there websites here that i can go to help me the process of restoring .......

190: RE: Eico HF87 top side. (5.23)
Posted by pas-toral on 2008-06-10, 19:13:49 (24.80.182.127)
Hi Mike, I was wondering if have time to post a high rez picture of the underneath of your Eico hf87? Look forward to hearing from you! Daryl .......

191: Eico AF-4 (5.23)
Posted by Mossback on 2010-04-04, 02:56:04 (125.60.248.139)
I've not heard the Heathkit but the Eico SE EL-84 sounds great. I have had a stock ST-35 in the past it was the best Dynaco I owned or heard. .......

192: Re: Help fixing an Eico HF-87? (5.23)
Posted by TnT on 2004-09-24, 13:31:05 (199.46.200.232)
There have been some discussions on the HF-87 at the Yahoo Eico group. not sure if you have access to it but try to click on the link below for a recent post. You can then do a search on the HF-87. Mo .......

193: RE: Eico hf-85 (5.23)
Posted by castironandtubes on 2008-07-20, 19:12:59 (208.120.39.133)
FWIW I recently acquired a Scott 130 preamp. It is bone stock, and I do intend to restore it with new caps and anything else as necessary, but as is everything checks out pretty close to spec. After l .......

194: Re: Eico fans in the Bay Area? (5.23)
Posted by vrgard on 2001-07-22, 17:06:10 (205.214.163.25)
I'm in the South Bay and would be interested. Don't have any EICO gear, but do have some vintage Scott equipment and some more recent Bottlehead gear. .......

195: RE: Do you use your Loudness function? (5.22)
Posted by Crazy Dave on 2012-06-08, 10:40:07 (38.118.25.194)
I am with you on the Yamaha. Unfortunately, I am using one of the few Yamaha preamps that doesn't have it. (It has great features elsewhere!) I did not know about Eico. The more I learn about Eico, th .......

196: Eico "Classic" and "ST" series (5.22)
Posted by Richard CWY on 2002-06-23, 06:56:33 (210.3.46.40)
Could friends here tell me if the Eico "Classic Series", e.g. 2080, and "ST" series, e.g. ST-70, belonged to the same production era of Eico? Were there kits sold in the "Classic" series as well as i .......

197: RE: Please recommend a vintage tube preamp..... (5.22)
Posted by soundchaserkt66 on 2013-04-12, 07:12:29 (68.83.5.161)
The Eico HF-85 got left out here, And the Eico ST84, two more good Vintage preamps. And is a Conrad Johnson PV-6 considered Vintage yet? Love my PV-6 :) And If I didn't have so many damm projects, I'd .......

198: Re: Has anyone ever actually seen the multiplex generator? nt (5.22)
Posted by Brian Levy on 2005-02-02, 10:39:36 (216.94.28.170)
We used 1 in our repair shop. Not sure how much use it actually got since we also had an EICO and I think the tech preferred it - actually outside of a RCA VTVM that he coveted he had a thing for EICO .......

199: Re: Eico HF-81 question (5.21)
Posted by Ron Oehlert on 2003-08-18, 20:04:58 (12.149.181.254)
Would this will help? .......

200: Eico group on Yahoo (5.20)
Posted by PeterI on 2008-12-21, 07:58:40 (71.218.196.164)
is also a good source for info. But you have to join to get access; you may know all this already. http://tech.groups.yahoo.com/group/eico/ Pete .......

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