tubular_joe

Responses from tubular_joe

Using "load resistors" to break-in an amp ??
I've got a few spare Dale 50 watt 8 ohm precision resistors from the old shop. Let me know if they might be what you need. 
Need help on how to use a variac.
If you're talking about old tube gear, here's a tip. I recommend you use a current meter, the same size as the variac is rated (ie: 5 amps). After you've tested the tubes and checked that they're all in the right sockets, and the fuse is the right... 
Can you help with this problem?
Ben-It does sound like poor switch or pot (control) contact(s). A bass note requires more current to pass successfully, and making sure all of them are clean is the ticket. I recommend LPS 1 spray. A light shot will do, then work the pot or switch...