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In Reply to: RE: tube warmup indicator posted by Jonesy on April 22, 2017 at 11:12:46:
I own A one tube wonder headphone amp by a company named Garage 1217. The model is "The Project Ember" where the amp has an indicator led which lights up upon turning it on and then disappears, supposedly when the amp is ready.
It is a tube rollers special able to run a variety of 6 and 12 volt 9 pin tubes. It will even accommodate octals like a 6SN7 with an adapter.
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Follow Ups
- Yes I have one in miniature - Mechans 17:35:47 04/25/17 (0)