Bose® 901 Series II Active Equalizer #66380 Repair

From Rain City Audio:

This Bose® 901 Series II Active Equalizer #66380 came through for an overhaul just recently. The owner in California reported that he got these from his father, and the equalizer was sending only the right channel signal.

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After all these repairs, and a new set of matched transistors and upgraded film capacitors, it’s as good as new and sounds fantastic!

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