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05/20/13 at 04:51:35

Forums › SUPPORT FORUMS FOR TUBE GEAR › TORII MK III

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Ringing Rectifiers (Read 404 times)

Rivieraranch Seasoned Member Posts: 1109	Ringing Rectifiers 11/28/12 at 01:59:59 I have tried two sets of Sylvania 5U4G rectifiers in my TORII MK III and both sets exhibit mechanical noise and a slight medium pitched ringing. It sounds like water running through a pipe or hose. I pulled the second set out and substituted some Svetlana Winged C rectifiers. They are quiet as sin in there.
Back to top	DECWARE CSP2+, TABOO; MINI TORII SE #33; SE84CKC; MG944 speakers; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones IP Logged

will

Seasoned Member

Posts: 801

Re: Ringing Rectifiers
Reply #1 - 11/28/12 at 04:12:35

Weird. I have never run into this with a NOS rectifier. My original Rubys sounded sort of like an internal mechanical vibration/rattle of fine metal against something...sort of tinsely if I recall. Definitely irritating.

Asked Steve on those and he said it would probably pass as the new tube works in, and it did.

Are they true NOS, the same year and so on, or same tube altogether.

« Last Edit: 11/28/12 at 04:36:43 by will »

Mac mini, Tranquility DAC, Oppo 83 (modded), ZSTAGE, TORII MkIII, Zen styx, Ziegler HR-ONEs...VHaudio, Reality, MAC ICs.... PI Audio Uberbuss....PI, VHaudio, Cryoparts power cables, HerbiesAudioLab feet and tube dampers.

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Rivieraranch Seasoned Member Posts: 1109	Re: Ringing Rectifiers Reply #2 - 11/28/12 at 11:38:27 I think they were all used. In fact, I'm sure of it. They had marks on the bottom of the base, which usually means they were pulled. One set is a matched pair with same date codes. The other are similar but both with bottom getters. I agree that the sound is "tinsely" with these, too. The Russians make no noise at all.
Back to top	DECWARE CSP2+, TABOO; MINI TORII SE #33; SE84CKC; MG944 speakers; TRAPEZIUM DESKTOP SPEAKERS; TECHNICS SL1200MK5 turntable; Ah! Njoe Tjoeb CD player; MARANTZ 2226B, 2216B receivers; SENNHEISER HD-580 headphones IP Logged

will Seasoned Member Posts: 801	Re: Ringing Rectifiers Reply #3 - 11/28/12 at 14:55:58 Odd to get 4 with the same issue! Sounds like the same thing I had, but these being used, I wonder if this is just bad. Can't say from experience. I have quite a few Sylvania 5U4GB (no 5U4GB-ST), and all are fine. I like their sounds in general too. Nice choices for fine tuning.
Back to top	« Last Edit: 11/28/12 at 14:58:45 by will » Mac mini, Tranquility DAC, Oppo 83 (modded), ZSTAGE, TORII MkIII, Zen styx, Ziegler HR-ONEs...VHaudio, Reality, MAC ICs.... PI Audio Uberbuss....PI, VHaudio, Cryoparts power cables, HerbiesAudioLab feet and tube dampers. IP Logged

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Forums › SUPPORT FORUMS FOR TUBE GEAR › TORII MK III

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