hi, i got a special question regarding biasing a vh4.
there are two ways to bias:
a) measuring the mA of a tube pair at the OT
b) measuring the mV (1 Ohm resistor -> 1mV^=1mA) of each tube with bias rite.
i did both and got these results:
a) OT1: 56mA, OT2: 58mA
b) 37mA, 35mA, 33mA, 31mA
i...