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Re: 6A4/LA, 47, tubes

6A4 sound great in driver duty wired as a triode, also very good as a pentode input/driver in a 2 stage amp.

If you can put up with the low power they are good for 3/4 watt output SE in triode mode or 1.5 watt SE in pentode, a bit less with either ultra linear or partial feedback from the plate back to the driver(like the Gary Pimm PP 47 amp). The output transformer I used had an 8K primary impedance.

Mike


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  • Re: 6A4/LA, 47, tubes - Mike ST 04:31:43 04/03/06 (0)


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