Thanks to “PF” in Switzerland the mystery from Read here
Is solved…..
The field coil lodged inside the 509a cabinet is connected at j2 and acts as choke and field coil.
All Fun…
Thanks to “PF” in Switzerland the mystery from Read here
Is solved…..
The field coil lodged inside the 509a cabinet is connected at j2 and acts as choke and field coil.