A (Filament) voltage for those tubes is 2 volts.
Norm
:Hello,
:I am new to restoring radios. I have a Coronado 650A and I have a schematic from this website it has the (B) voltage but dosent have the (A) voltage. I was wonduring if anybody knew the voltage of the (A) circuit? And any other info on this radio would be helpfull.