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1: Tubes Asylum, RE: Phillips Miniwatt SQ 6922 x TESLA 6922 (0.00)
Posted by PFMaudio on 2016-09-04, 20:29:30 (177.81.21.52)
Yes, I Will do it! We hear a bigger difference by suppressing than by adding. Just letting the tubes roll more hours! .......
2: Tubes Asylum, Phillips Miniwatt SQ 6922 x TESLA 6922 (0.00)
Posted by PFMaudio on 2016-08-27, 12:08:00 (177.81.21.52)
I recently changed the tubes of my ARC PH7 from NOS TESLA 6922 - Gold Pins to NOS Phillips Miniwatt SQ 6922, made in Heeren Holland in 1969 and am sharing the listening experience for those interested .......
3: Tubes Asylum, RE: Advise on tube rolling on ARC Ref2mkII - GZ34 - Unexpected result (0.00)
Posted by PFMaudio on 2016-06-19, 14:59:41 (177.32.229.172)
Thanks for the advice! I have put back the ruby 5AR4 and the bass became as it was. Notes not bloated in certain keys and good bass articulation. I think I will not try the diode trick, as it far exce .......
4: Tubes Asylum, Advise on tube rolling on ARC Ref2mkII - GZ34 - Unexpected result (0.00)
Posted by PFMaudio on 2016-06-18, 11:38:03 (177.32.229.172)
I recently changed the rectifier (5AR4) of my ARC Ref2 mk II preamp. The old one was a Ruby 5AR4, replaced by a Phillips MiniWatt GZ34, Blackburn factory, 1965 (code f32/B5A1). I was expecting a bette .......
5: Inmate Systems, PFMaudio's Main System (0.00)
Posted by PFMaudio on 2016-06-06, 10:39:10 (177.32.229.172)
PFMaudio 's Main System System
IP Address: 177.32.229.172
Last Update: June 06, 2016 at 10:39:10
Amplifier: ARC Ref110
Preamplifier (or None if Integrated): ARC Ref2 mkII
Speakers: .......
6: Tubes Asylum, Tube Microphonics article by MULLARD (0.00)
Posted by PFMaudio on 2016-06-06, 10:23:30 (177.32.229.172)
On the link bellow a very interesting article on valve microphonics, by Mullard. Interesting to see that the getter, altough not electrically active in the valve, can affect microphonics by its more o .......
7: Tubes Asylum, RE: NOS Tesla 6922 in ARC PH7 - From skeptical to true believer (0.00)
Posted by PFMaudio on 2016-06-05, 22:08:11 (177.32.229.172)
Good to hear about the new JJ! I think the most important is to have good options, being new or old stock. And price does matter. The PH7 costed me Eur 3000 used. Paying Europe. ‚¬1000 for a quad of N .......
8: Tubes Asylum, RE: NOS Tesla 6922 in ARC PH7 - From skeptical to true believer (0.00)
Posted by PFMaudio on 2016-06-04, 15:45:58 (177.32.229.172)
Civil engineer. Basic electric notions. I can replace tubes and adjust bias. But don't dare more than that, I'm afraid. Regarding the 6H30-DR, they have a steep price! Can they get much better then cu .......
9: Tubes Asylum, RE: NOS Tesla 6922 in ARC PH7 - From skeptical to true believer (0.00)
Posted by PFMaudio on 2016-06-04, 12:01:53 (177.32.229.172)
Thanks for your reply. My dealer also recommended a quartet of Phillips SQ Miniwatt, from the Holland. I believe they must spud similar to the amperex. Do you have experience with those? .......
10: Tubes Asylum, RE: Modern-made 5AR4 (0.00)
Posted by PFMaudio on 2016-06-04, 10:48:48 (177.32.229.172)
I have used a Ruby 5Ar4 in my SRC ref2 mk II for ten years. About 2500 hours with no problems. Replaced by a Nos Phillips GZ34. Better control on the bass, but less extension than the ruby. For sound .......
11: Tubes Asylum, NOS Tesla 6922 in ARC PH7 - From skeptical to true believer (0.00)
Posted by PFMaudio on 2016-06-04, 07:24:12 (177.32.229.172)
It's my first postage in AA. I was a non believer in NOS tubes. Thought a bit strange some folks hearing different things from the same tube type, tasting the tubes like I taste a bottle of whine. My .......
Found total of 11 records, Query: , Author: PFMaudio in All Forums, Time: 1 sec.