Bloodrock
Well-known member
1big1":xqrqhi2a said:at one time i had tried "old schooling" mine at 31mv based on 450 plate volts like the plexi's.. because that's what i metered.. but that was too cold. a few helpful folks on this forum had suggested 38mv.. so i ran with that.
Check your math. 31 is cold for 450v. EL34's are 25w X .65 Divided by 450v equals 36mv, that's 65%. 38mv equals 70% dissipation so somewhere between those 2 numbers is where I'd keep it to sound best.