pmcuk

Building a 300b SE amp.

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Go for it! Get some EL12n and you may be quite surprised at the quality of sound you should get. Contact me if you need to know about filament bias, which is the way to run these DHTs. 

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Oh the junkie can't help himself, for another fix.... Arrrr. Got some of those EL12n s on order and some sockets, I think I should be ok with the filament bias for the 4P1L thanks, but will wait for the outline circuit, with approx. values / voltages. Seems cathode bias is recommended for the EL12 due to the high transconductance?

Edited by dave

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