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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: 6SN7, 45, 300B SET amplifier question... posted by morrowaudio on March 21, 2006 at 06:20:30:
Per my tests a Tung Sol 6P5GT or Tung Sol 76 is superior to a 6SN7 with perhaps the exception of those rare $100+ Tung Sol 6SN7GT round plate tubes. And, I believe the Tung Sol 6SN7GT round plate would only equal the Tung Sol 6P5GT or Tung Sol 76 round plate at best.The 6P5 or 76 is a single section tube. I use approximately 200 vdc to a 68K plate resistor connected to the Tung Sol 6P5GT plate with a 3.2K unbypassed cathode resistor. The only 6P5GT or 76 that equals the Tung Sol are RCA Cunningham 6P5GT or 76 per my tests. Never tested a National Union brand though.
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Follow Ups
- Re: 6SN7, 45, 300B SET amplifier question... - Jimmy 07:11:28 03/21/06 (1)
- Re: 6SN7, 45, 300B SET amplifier question... - lurcher 13:29:20 03/22/06 (0)
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