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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: RE: 1959 Ampex 6973 Monoblocks posted by Michael Samra on April 29, 2010 at 07:51:35:
Looking at the schematic and the inside of my chassis, I see the cathode resistor connects to a bias balance circuit. I've seen this before on the Heathkit W-3AM (see attached). This could be nice given that real 6973's are so hard to come by and if they don't match well, this compensates. But then if I did have well matched outputs it might sound better to bypass this network and take the big cathode resistor directly to ground. Any opinions on that?
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Follow Ups
- RE: 1959 Ampex 6973 Monoblocks - rlschow 04/30/1017:35:43 04/30/10 (1)
- RE: 1959 Ampex 6973 Monoblocks - Michael Samra 04:56:36 05/1/10 (0)
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