1: Re: Alternative CAT5 Design and Capacitve load question (10.43)
Posted by Jon Risch on 2001-05-17, 14:08:45 (209.215.72.167)
NO CAT5 has a teflon _jacket_, they at most have teflon insulated wire pairs. The jacket is often a flame reatrdant PVC, the best jacket material I know of on a CAT5 cable is not readily available in .......

2: DIY Cat5 Speaker Cable recipe has been updated (10.43)
Posted by ChrisVH on 1999-12-04, 08:10:07 (169.207.130.96)
Just updated my Cat5 recipe. Capacitance issues are addressed, and I have also included a brief history on how I came up with this design. http://members.xoom.com/cvenhaus/diycatfivecables.html ::: .......

3: An excellent Cat5 speaker cable recipe (10.42)
Posted by Julien43 on 2006-08-06, 05:08:45 (68.222.151.148)
Somewhat labor intensive, but well worth the effort This cable has a highish capacitance but performs like a champ Julien "There's someone in my head, but it's not me" .......

4: Re: Interconnect Experiment (10.20)
Posted by Jon Risch on 2001-03-25, 12:47:17 (209.215.72.167)
Polyurethane is not a very good dielectric, the FEP teflon in the CAT5 cables should sound better, unless it is really PVC insulated CAT5 wires. When comparing DIY audio cables, you should only change .......

5: it 's a rotel ... (9.62)
Posted by kalido on 2003-08-24, 07:25:05 (203.106.155.168)
hai malcolm ..... thank fer ur reply .... i'm using 60 watter rotel int amp..... i'm aware of the cat5's capacitance issue....but do u think such a short length would be highish in capacitance ?? it's .......

6: Re: Mr. Risch- CAT5 ok on a Velleman 4040 (capacitance)? (9.55)
Posted by Jon Risch on 2000-05-22, 21:12:40 (209.215.72.247)
If that's a tube model, then tube amps are usually quite forgiving of capacitive loads, but if they have a high enough output Z, AND the speaker cable has a high enough capacitance, then they can actu .......

7: Re: Alternative CAT5 Design and Capacitve load question (9.34)
Posted by audioengr on 2001-05-17, 15:47:31 (132.233.247.5)
Chris - I don't understand how adding a Zobel network (resistor and cap in series) in parallel with the cable at either end will reduce the overall capacitance that the amp sees. I would think you wou .......

8: Re: Alternative CAT5 Design and Capacitve load question (9.28)
Posted by ChrisVH on 2001-05-17, 00:16:07 (169.207.71.249)
The outer jacket is more than likely PVC, not Teflon. Although a lot more work, stripping the jacket off and braiding produced a better sounding cable in my system. Although capacitance can be an issu .......

9: Alternative CAT5 Design and Capacitve load question (9.20)
Posted by bnam on 2001-05-16, 20:21:35 (132.233.247.5)
I built a CAT5 speaker cable using an alternative design from the TNT website -- it was easier to build. I used 4 CAT5 Teflon cables and braided them together tightly without removing the teflon outer .......

10: Re: Mr. Risch- CAT5 ok on a Velleman 4040 (capacitance)? (9.02)
Posted by ChrisVH on 2000-05-22, 20:32:29 (169.207.29.8)
That's a tube amp right? If so, you shouldn't have a problem- SS amps are more susceptible to the capacitance issues than are tube amps, because tube amps have higher output impedances. I ran them wit .......

11: Re: belden 1585 vs 1701. Question for Chris V (8.58)
Posted by rick e on 2002-08-03, 14:05:05 (64.168.22.119)
I see in chris' description of the properties of his cat5 cables that the capacitance is quite high but shouldn't be a factor with most amps. Belden 1701 on the other hand has a lower capacitance to s .......

12: RE: cat5 speaker cables! (8.53)
Posted by Japesgalore on 2008-04-10, 13:01:54 (213.134.160.234)
Please could you ellaborate on what exactly a Zobel netweork is. I had heard of them before but never paid any notice to their usefulness - thought that anything 'extra' in the chain would be detrimen .......

13: Re: DIY Cat5 cables have been updated. (8.07)
Posted by Rob T on 1999-12-21, 06:19:28 (205.188.192.183)
Chris.....is there a way to determine that an amp would be likely to oscillate (is unstable) based on your cable's high capacitance *before* acquiring all the blisters? Thanks - Rob T .......

14: RE: Does length of strand have to be identical when DIYing speaker wire? (8.05)
Posted by Japesgalore on 2008-12-01, 23:36:17 (77.236.0.201)
I'm only really asking because I've taken the one twisted pair from my Cat5 to make the cable, just so that all the strands will be of equal length. I'm thinking it defeats the purpose when some of th .......

15: Re: Jon, please read. (8.03)
Posted by ChrisVH on 1999-10-22, 05:32:35 (169.207.133.186)
Hi, Jon. I will notate on my "recipe" that this cable is unsuitable for unstable amps. I know that the Goertz cables also have this problem, due to the low inductance/high capacitance design. I also a .......

16: DIY CAT5 speaker cable question (7.95)
Posted by northwood on 2011-12-17, 12:03:21 (174.88.83.133)
I was going to tackle the DIY CAT5 speaker cable project that many others have done. I have some CAT6 cable to use and a question to ask before I begin. There are two different pairs in the 4 pair cab .......

17: Re: DIY speaker cable design advice needed (7.83)
Posted by DaveT on 2001-02-07, 09:09:28 (63.215.155.228)
I have built the Gomers and I am quite happy with them. He has posted his capacitance on the website. The second website listed herein sounds like a set of speaker cables more in line to what you may .......

18: Re: I should have remembered Gomer's cable... (7.81)
Posted by Jon Risch on 2002-03-04, 19:46:00 (209.215.72.215)
Beware the extra capacitance of the longer lengths of CAT5. If you are doing the full 27 pairs, then this added length may put you over the edge. Jon Risch .......

19: Mr. Risch- CAT5 ok on a Velleman 4040 (capacitance)? (7.70)
Posted by steve on 2000-05-21, 18:33:45 (152.163.213.67)
I hate to hook it up and ruin my amp. It sure was a lot of work to assemble. My legnths are 9ft to start. How do you know if your amp is oscilating anyways? Thanks in advance!! Steve .......

20: Interconnect capacitance measurement experiment (7.65)
Posted by kuribo on 2001-03-29, 07:09:52 (61.120.240.171)
I tried a litte experiment the other day to see which cable geometry would have the lowest capacitance...here is what I did.. I made 7 1 foot single interconnects using a pair of PFE insulated copper .......

21: Re: Loud pop sound come out with CAT5 speaker cable (7.63)
Posted by cktc on 2001-07-25, 00:14:00 (203.198.23.28)
Yes I know that both my speaker cable and AKSA work fine, but when then both together, just don't work. Surely the hight capacitance upset the amp. Any remedy? Thanks. .......

22: Re: Interconnect Experiment (7.52)
Posted by DaveT on 2001-03-25, 22:56:31 (206.173.60.120)
I have a twisted pair set of teflon CAT5 interconnects. The polyeurathane ICs sound different. I am not prepared to say better at this point. Although I have been very meticulous in measuring capacita .......

23: Re: Ok, well thanks for the rude response (7.24)
Posted by Thorsten on 2002-01-30, 04:19:49 (195.107.47.212)
Hi, > And to note to Thorsten and RJM, the nominal capacitance per > foot for the 89259 Risch recipe (not using the CAT5) is 48pF > per foot. I have 8 foot cables...that's 384pF. I know. > The datashe .......

24: Re: cost no object resistors for XO?? (7.22)
Posted by psst on 2002-12-20, 10:59:28 (193.111.198.37)
The HCA2 that I had in my system took out both the tweeters in my Met 7's when I decided to try some cat5 cabling. That was a big mistake. I've since been told that the amplifier is not well behaved i .......

25: belden 1585 vs 1701. Question for Chris V (7.21)
Posted by rick e on 2002-08-03, 13:31:33 (64.168.22.119)
Chris I've been looking at your cat5 speaker cable recipe for a while and have decided to cook it up. I ordered 1585 from meci but ended up receiving 1701 instead. So I decided to take a look at the d .......

26: Re: Alternative CAT5 Design and Capacitve load question (7.11)
Posted by ChrisVH on 2001-05-17, 15:57:52 (199.43.32.17)
From the Goertz website, addressing the potential capacitance problems with their cables : "Our remedy is to place a resistive load across the speaker terminals, which becomes effective at frequencies .......

27: Re: DIY Speaker Cable (7.10)
Posted by ChrisVH on 2000-05-22, 20:37:05 (169.207.29.8)
I'd go with Jon's recipe, or go with raw Cat5 and leave inside the jackets (less hassle). Use one 8 pair run for + and another 8 pair run for - for each speaker (twist both runs together- leave in PVC .......

28: Re: Mr. Risch- CAT5 ok on a Velleman 4040 (capacitance)? (7.10)
Posted by rick s on 2000-05-23, 10:39:06 (199.250.207.9)
My vote goes for just fine. I use a 10 foot pair on my Velleman, driving a pair of Acoustat Spectra 11 hybrid electostatic/dynamic speakers. Checked with a scope, no apparent problems, no audible prob .......

29: Re: Alternative CAT5 Design and Capacitve load question (7.04)
Posted by undies on 2001-05-17, 22:40:07 (129.94.6.28)
SHORT STORY...don't worry about it LONG STORY... Placing a 10 ohm resistor in series with 100nF capacitor on an amp output to ground is not a Zobel network for a start. (not sure when this misuse of t .......

30: Ok, well thanks for the rude response (6.93)
Posted by Andy B on 2002-01-29, 15:12:20 (66.92.237.58)
I wasn't asking you, RJM, and I certainly don't need you to ridicule my design ability. I did a great deal of research on my own. Got everything, built it up following the datasheets and added some of .......

31: Re: CAT 5 speaker cable and Naim NAP 140 power amp (6.90)
Posted by Jon Risch on 2003-12-04, 16:37:22 (68.19.147.236)
Naim's are notorious for being unstable with anything but zip cord or lower capacitance. CAT5 based speaker cables far exceed the amount needed to send a Naim to amplifier heaven. Jon Risch ::: TOPIC .......

32: Re: Goertz wire (6.86)
Posted by mark on 1999-12-22, 18:54:24 (131.172.4.44)
Hello Marq and Lukasz, I work with the stuff most days of the week. It might sound okay, but it is way over priced. If you HAVE to use it make sure you have an amp that doesn't oscilate in the ultraso .......

33: DIY speaker cable design advice needed (6.81)
Posted by vrgard on 2001-02-06, 21:51:53 (64.121.142.99)
I want to make a DIY speaker cable. Unfortunately, I need about 35 feet per channel/side. So, between materials cost and capacitance concerns, many of the DIY designs are out. I've narrowed things dow .......

34: given up on cat5, lets go anticables route, now questions on construction (6.63)
Posted by Japesgalore on 2008-09-29, 21:04:19 (77.236.0.195)
I've reached the end of my tether. I've been braiding these cat5 cables for a year now, im sick of it. Want to improve the sound of my TNT Tripple Ts and have recently been reading lots about the virt .......

35: Has anyone measured the impedance of Chris Ven Haus's Cat5 27 pair speaker cables?? (6.63)
Posted by Julien43 on 2010-05-14, 08:12:22 (69.132.143.213)
I'd like to build some RF filters and I haven't been able to locate any measurement info on this design. I can't afford to purchase the test equipment needed to take such measurements. Chris does men .......

36: New experiments (6.39)
Posted by Roger Hill on 2001-04-11, 13:56:40 (166.93.90.133)
Chris: Hope you didn't take my question as a criticism of you as that was certainly NOT what I intended, merely trying to understand power issues a little better. I am anxious to hear the results of y .......

37: Re: Interconnects. (6.29)
Posted by ChrisVH on 1999-09-18, 15:31:11 (169.207.134.12)
I've run the gamut with IC's, both commercial (Kimber, XLO, Synergistic Research, Cardas, AQ, and others) and DIY's (Allen Wright's XLO knockoffs, Gizmo Rosenberg's & Greg Weaver's "magnet wires", Jon .......

38: Re: DIY speaker cable - I need advise, please (6.20)
Posted by Jon Risch on 2002-05-23, 20:46:15 (209.215.72.187)
Are you saying you used TWO PAIRS of 10 mm by 10 mm wires? This would be HUGE, and hardly capable of being bent. Please indicate more clearly the size of the cables you tried. If this is indeed the si .......

39: While I myself like plenum-rated Cat5/6 cable for speaker wires ... (6.19)
Posted by andyr on 2009-10-19, 22:34:43 (157.128.218.206)
I question your chosen topology? If I understand you correctly, you want to use 1x24g wire in a jacket for the '+' wire to the single-driver speakers and 7x24g wires for the '+' wire to the sub? Then .......

40: They are so much work to make that .... (6.10)
Posted by Metralla on 2011-12-17, 14:00:03 (68.127.208.148)
. . . if you are wondering now, and may be left wondering after you make them, that I'd suggest you take one pair only (one solid colour, one striped) from the 4 in each of your jacketed lengths, and .......

41: RE: It Sounds Good To Me... (5.94)
Posted by Japesgalore on 2008-05-03, 15:24:51 (213.134.160.234)
Interesting! Coverings? What do you mean by coverings? Hm, this capacitance bug keeps rearing its ugly head (especially when one looks into designing his own own CAT5 speaker cable). What effect could .......

42: Re: Jon, please read. (5.87)
Posted by Jon Risch on 1999-10-21, 23:03:40 (209.215.72.228)
[ I guess my point is, if you are going to make a pair of these Cat5's, why not make a pair of 10 gauge instead of smaller ga., and then find out (after the fact) that you don't have enough ga. to do .......

43: Re: DIY Speaker Cable (5.87)
Posted by Jon Risch on 2000-05-21, 09:56:31 (209.215.72.163)
I am of the opinion, that unless you have a SOTA HT system, that the signal processing (digital delay, etc.) makes using high quality cables on the surrounds a waste. 12 gauge zip cord will probably f .......

44: One thing to point out (5.80)
Posted by Jon Risch on 2006-06-25, 22:12:03 (70.152.95.247)
The TNT recipe sounds good and "gets away" with leaving the twisted pairs inside the overall CAT5 jacket, BECAUSE the specific part number referenced in the article had a PE type jacket, and not the P .......

45: Re: DIY CABLES OVER SHOP ONES ???? (5.79)
Posted by chris_w on 2005-06-18, 15:16:21 (81.77.90.121)
my best advice i.e. max bangs for the £ would be CVH interconnects, Coax is not the best for audio interconnects. http://www.venhaus1.com/diysilverinterconnects.html unless you feel you need screen, i .......

46: Re: Tweaks for my Amp. Yamaha Ca-710 (5.66)
Posted by kungster on 2003-05-12, 10:23:37 (47.248.0.41)
Based upon key information from this site, I've modified the Yamaha CA-610II (should be similar to CA-710) recently to very good effect overall, including very noticeable bass improvements, by upgradi .......

47: Re: Some tweaks about B&W DM 302 ??? (5.28)
Posted by Hartono Tandjoeng on 2000-07-18, 09:49:28 (202.147.17.240)
I read an article of someone who changed the resistor to better quality ones and the change is quite noticable i once had the speaker and i think it need a better bracing inside the cabinet find a bar .......

48: A Gomer cable question (5.23)
Posted by downhill on 2004-05-17, 19:16:27 (24.117.145.111)
This question is related to how many pairs of Cat5 one could use to make the Gomer cable. I've done the VenHaus cable for my fronts. I just spun up a Gomer cable for my center just to check out the co .......

49: RE: Is the capacitance of litz wire higher on a single strand? (5.20)
Posted by LewinskiH01 on 2013-01-06, 02:33:17 (190.247.46.245)
Norm, Unclestu referred to Budp's earlier posts, and the "surpluss electron supply" notion. I have no idea why this works, but if I follow that concept, more copper means more electrons...so I thought .......

50: Yes. Or once I was blind, and now I can see, or something like that. nt (5.04)
Posted by Dave Mester on 2008-03-30, 12:30:02 (24.1.201.117)
I use 18awg solid copper wire for speaker cables. My ultimate version will be silver plated OFC in teflon, same as the hookup wire I use in my amp and speakers, so I just figured I would be consistent .......

51: Re: Not meant to be a Speaker cable! (4.85)
Posted by Jon Risch on 2000-07-27, 10:40:48 (209.215.72.181)
A variant on Recipe #2, now obsolete. See: http://members.xoom.com/Jon_Risch/s1.htm The computer type ribbon cable usually has tinned copper conductors, and uses PVC insulation. Either the CC 89259 or .......

52: Re: DIY Speaker Cable Project (4.78)
Posted by Thorsten on 1999-03-26, 08:44:53 (195.99.125.202)
Hi again, Jon wrote: >>>If you try the FFRC design, I urge you to properly terminate it by using the wire pairings rather than just connecting the whole run of wires in each jacket together. This will .......

53: Help w/ Tonearm rewire, pls? (4.52)
Posted by csown on 2001-02-19, 22:50:58 (64.193.131.21)
Hi All, I just got in the parts for my upgrade kit - some Discovery Cable, two sets of VDH clips, Cardas female RCA's, this and that - and am planning to rewire my RB250 tonearm very soon. This will b .......

54: RE: QuickSilver contact enhancer on Cat5 speaker wire re. burn-in (4.45)
Posted by Japesgalore on 2008-12-17, 11:57:44 (77.236.0.201)
I've investigated Zobels before but I found anything written about them rather baffling. I've checked out a few posts now and still find it all very confusing. I am a complete noob when it comes to im .......

55: Re: Potential Problems with Twisting (4.40)
Posted by Gomer on 2001-01-13, 10:32:23 (63.61.54.191)
Thanks for your reply. If you want I can send you the pages through email for your review. As for the strain, there really doesn't seem to be that much strain. When I started out on this adventure, I .......

56: Re: load resistors & shunt components (3.83)
Posted by alberto a lopez on 2001-06-28, 17:13:55 (65.161.190.81)
Dear Mart, I see that much misinterpretation has taken place. I never differentiated caps as being inductive or non-inductive. I am not sure where you got this. The larger the value of a Cap, the larg .......

Found total of 56 records, Query: cat5 +capacitance in Tweakers' Asylum, Time: 0 sec.

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