Time to get this site upgraded, so we are passing the hat around. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html
We appreciate your help
in keeping this site going.
D624 is to protect the transistors when the solenoid is turned off .
A voltage comes back from the magnetic field .
Someone else could explain that better.
Threaded Mode