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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: What I find incredibly strange is...... posted by vinylkid58 on April 18, 2010 at 11:30:20:
when I realized that the string of NOS pre-war and mil-spec 5U4G I have gone through were sacrificed, expensively, for this design flaw. I had thought it was the tubes, or me, and here it is the fracking design.
Lots of good tubes lie dead in the tube burial ground. I really am sorta pissed at my dealer and Dennis, as they surely knew about this--and my amp even got a Cary recommended modification to ease the start-up problem. I guess it wasn't enough.
Sidebar: I recently talked to Cary about this and they insist on me using directly heated rectifiers like the 5U4G that I have been using, and not the indirectly heated ones like the 5V4--which was the original spec'ed rectifier. Whatever. Dennis, want to buy an interesting rectifier sculpture??
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Follow Ups
- Then you can imagine my discontent... - Valva Actual 13:30:54 04/18/10 (8)
- RE: Then you can imagine my discontent... - Eli Duttman 16:28:58 04/18/10 (6)
- Eli, what IS the PIV in that circuit that the rectifier tube/s? each? face? - Timbo in Oz 19:59:30 04/17/11 (0)
- Be careful as the Schottkeys will push up the B+ even higher. - Chris O 11:24:23 04/21/10 (1)
- RE: Be careful as the Schottkeys will push up the B+ even higher. - Eli Duttman 19:21:29 04/21/10 (0)
- I looked around for a schematic........ - vinylkid58 10:45:43 04/19/10 (3)
- Found One!!!!! - wpod 05:12:27 04/25/10 (2)
- RE: Found One!!!!! - Jim McShane 11:13:08 04/25/10 (1)
- No wonder NOS Mullard GZ37's are so expensive......... - vinylkid58 15:54:41 04/25/10 (0)
- I have a feeling you're not alone......... - vinylkid58 14:51:48 04/18/10 (0)
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