[Boatanchors] 0A2 and 0B2 in Parallel?

[J. Forster]

Are you SURE they are wired in parallel? Maybe back to back ?

Parallel makes no sense at all. They are different voltages:

http://scottbecker.net/tube/sheets/155/0/0A2.pdf

-John



> Hi there. I just acquired a very nice Hallicrafters HA-1 TO Keyer. I was
> reviewing the circuit diagram from Bama and saw in the power supply, a 0A2
> in parallel with a 0B2.  I am assuming that they are paralleled to permit
> more current to pass, but why not use two of the same?  What is the
> difference between these two tubes?
>
> Thanks in advance
> Eugene