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OTL Asylum OTL, Output Transformerless Amplifier User Group. |
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In Reply to: Re: 7236 versus 6AS7G posted by Ralph S on September 29, 2002 at 01:21:10:
Please don't confuse maximum rated plate voltage with the class A operating point, chosen not to exceed the maximum plate dissipation. Things look very different when you plot a load line for use in our amp's topology. It's almost vertical. Even the 6AS7G has a maximum 250 volt plate rating. Given the domestic tubes, the 6AS7G still has a 15 volt advantage.My TungSol Industrial Tube Manual specifically warns about using the 7236 in fixed bias service.
I too am all for saving money and a full set of Russian tubes will set you back $208. You'll want some spares too, $260 is probably more realistic. I've tried to get many different tubes to work reliably in an M-60. Only the Russian 6AS7G do really well. I feel your thermonic pain :).
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Follow Ups
- Re: 7236 versus 6AS7G - mark 06:18:26 09/29/02 (2)
- Re: 7236 versus 6AS7G - Ralph S 08:08:34 09/29/02 (1)
- Re: 7236 versus 6AS7G - mark 13:38:44 09/29/02 (0)
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