11-03-2020, 11:21 PM
You can check the tube for filament continuity and check if there any dead shorts across the pins that should be isolated but without a tube tester you can not check if they are working.
You can put a "Wanted Ad" for a signal generator and see if anyone has one. Another place is to get one is a radio swap meet and finally you can check ebay for one.
You can put a "Wanted Ad" for a signal generator and see if anyone has one. Another place is to get one is a radio swap meet and finally you can check ebay for one.