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AudioGeek 20th March 2010 01:28 AM

Help with input stage driver for EL84 output stage
 
I am thinking of a paralleled EL84 output stage. SE triode connection.

I am not sure of power. Maybe 10w triode. Thinking too of having a UL connection too.

Also, want to do transformer coupled. will 1 EL84 transformer coupled be enough to driver the paralleled output stage?

Sakuma San style of amplifier.

mashaffer 20th March 2010 02:06 AM

PSE triode connection won't get you 10W I am afraid, More like half of that. PSE UL might get you pretty close. Are you suggesting using the an EL84 as the driver too?

mike

planet10 20th March 2010 02:38 AM

PSE triode strapped with ~300 V B+ should get you 3.5 W, about 9W in pentode and somewhat less in UL.

dave


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