In Reply to: How to fire up a 20 OTL??? posted by djn on April 8, 2020 at 14:10:05:
The bulb started coming up at around 30v and just kept getting brighter as I increased the voltage and stayed bright. No tube filaments lit up. So that is a dead short somewhere right?.
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Follow Ups
- Fired up the amp with variac and dim bulb tester...nothing - djn 13:01:15 04/19/20 (3)
- The tubes can't be in the amp when you do the light bulb thing. - Ralph 09:14:15 04/20/20 (0)
- RE: Fired up the amp with variac and dim bulb tester...nothing - Cory M. 05:10:08 04/20/20 (1)
- RE: Fired up the amp with variac and dim bulb tester...nothing - djn 06:07:14 04/20/20 (0)