Alabama Thunderpussy
Well-Known Member
I asked Marshall what the factory fitted Sovtek 5881's bias should be set to & this was the reply...
"Thank you for your e-mail regarding your question the bias on the JTM 45 we recommend when fitting 5881 the bias is set to -48VDC."
This obviously doesn't refer to the 1 ohm resistor method, could anyone explain it to me please.
Thanks.
Yeah nevermind the plate voltage or current. Just set it to -48VDC