I wish I could help, I had heard the company founder was either passed away or no longer in business...not sure which. I owned an A318B for years and manually biasing those big russian power tubes was always a trip. That cured me of my desire to "fiddle" with biasing. Now I go auto-bias amping, which someone called "like owning a self driving sports car" I had to chuckle at that one....to each their own is my motto.
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- 9 posts total
- 9 posts total