What Voltage should my Bias be set at?

[Wonker]

In a Marshall JVM 410H with a fresh set of Groove Tube GT EL34-R's

My right side reads .76mV

My left reads .120mV

I did a search and found a thread that read "for a Marshall DSL 2000 the EL34's should be around .80mVs". Is that high? I thought EL34s' should be around .34mV?

?

Thanks I’m reading and trying to learn as much as I can. This is a whole new world for me.

[Enzo]

80mv would be for two tubes, that is 40ma apiece. If you want 34ma, then go for 68 for two.

[Wonker]

Thanks!

Rad I get it now! I don't know why that didn't come to me. That makes so much sense!