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In Reply to: There is a difference between "self Biasing" and a robot. posted by Chip647 on June 5, 2015 at 04:50:12:
"You still need to measure the operating point when switching tube types. Careful of the high heater draw tubes like the KT120/150 as your amp may not be able to supply the heater current without stressing the power transformer."
Thanks, the manufacturer and distributor say the transformer specs are up to the task.The distributor demos my amp with the KT150. Doubtful I will ever try them. At $100 a bottle, too pricey to use bottles as tone controls. Kinda like cable madness.
The only tube that produced really undesirable tone was the 6V6.
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Follow Ups
- RE: There is a difference between "self Biasing" and a robot. - dirtyvinyl 06:50:33 06/05/15 (13)
- RE: There is a difference between "self Biasing" and a robot. - Chip647 07:09:15 06/05/15 (12)
- RE: There is a difference between "self Biasing" and a robot. - dirtyvinyl 07:27:03 06/05/15 (11)
- RE: There is a difference between "self Biasing" and a robot. - Tre' 08:19:08 06/05/15 (10)
- RE: There is a difference between "self Biasing" and a robot. - dirtyvinyl 11:05:37 06/05/15 (9)
- RE: There is a difference between "self Biasing" and a robot. - Tre' 12:09:43 06/05/15 (2)
- RE: There is a difference between "self Biasing" and a robot. - dirtyvinyl 08:47:25 06/06/15 (1)
- RE: There is a difference between "self Biasing" and a robot. - DAK 12:22:20 06/06/15 (0)
- Don't be so sure ... - Sondek 11:40:53 06/05/15 (5)
- RE: Don't be so sure ... - dirtyvinyl 11:53:10 06/05/15 (4)
- RE: Don't be so sure ... - Mechans 15:11:38 06/05/15 (3)
- Rant understood - dirtyvinyl 17:00:04 06/05/15 (2)
- RE: Rant understood-A prototype? - Mechans 10:26:18 06/06/15 (1)
- RE: Rant understood-A prototype? - dirtyvinyl 19:34:00 06/07/15 (0)