Daily Archives: July 11, 2012

Identifying Your Bose 901 Series 1 Equalizer [Vintage Hi-Fi] [Production Runs]

Bose 901 Series I Active Equalizers came in two varieties, which can be used interchangeably, but have fairly different circuit designs. It’s simple to tell them apart for ordering parts for a repair with a quick inspection of the inside. Both … Continue reading

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