10-28-2015, 03:49 PM
Welcome to the Phorum! 
There is some excellent info on the model 89s on Ron's page here:
http://www.philcoradio.com/tech/89evol.htm
A dim bulb test set is cheap and easy to make and offers power up protection similar to a variac, see this page on Phils Old Radios: http://www.antiqueradio.org/dimbulb.htm
There is some excellent info on the model 89s on Ron's page here:
http://www.philcoradio.com/tech/89evol.htm
A dim bulb test set is cheap and easy to make and offers power up protection similar to a variac, see this page on Phils Old Radios: http://www.antiqueradio.org/dimbulb.htm
