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Classic gear from yesteryear; vintage audio standing the test of time.

RE: I'm a sucker for a pretty face........ But I need biasing help

I wasn't able to find a schematic for the 200 that showed only one bias pot, but it seems clear from the photo that isn't a user adjustable pot. That's why it is that drizzle of paint or glue. It shows that pot has never been moved since the unit left the factory. The hum pots are easy to adjust but you should use a philips #1 with a plastic tip if possible. With your ear near the appropriate speaker adjust the pot for lowest hum.


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