In Reply to: Lux 300B SET hum after replacing PT posted by loviest on May 2, 2013 at 14:35:31:
DC readings are:
- 300B filaments 7,75V and 4,7V
- 1K resistors 97,2V and 95,6V
- 300B's pin 2 > ground 496V and 495V
- 300B's pin 2 > 4 398V and 397V
- 300B's pin 3 > ground 9,6V both
- EF86's pin 6 > ground 278 and 266
- 5687 pin1/pin9 > ground 284V and 280V
Little to high and amp is humming
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Follow Ups
- RE: Lux 300B SET hum after replacing PT - loviest 17:16:34 05/02/13 (2)
- RE: Lux 300B SET hum after replacing PT - Thorsten 00:06:14 05/05/13 (0)
- RE: Lux 300B SET hum after replacing PT - siepi 08:04:12 05/04/13 (0)