Need SB-301 part, calibrator schematic

[Stewart Lyon]

Hi Gang,
I need the AFGain pot for the SB-301. This is a 500K log pot with a
push/pull switch and is P/N 19-16. The AFGain pot from a HW-22 will also
work.
If you have one you can part with, please let me know how much $$.

Also, I'm thinking of adding a xtal calibrator to my HW-22, using either
the SB-301 or SB-101 design. Can someone tell me the pin-out of a
HeathKit calibrator, i.e. what is on pins 1,2,3,8 and what tube did it
use ?? Or if you can send me the schematic, that would even be better.

Thanks

73, Stu - W6CUX

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