Daily Archives: April 20, 2016

BoseĀ® 901 Series I Active Equalizer #7790 Repair

From Rain City Audio: This rare early-production BoseĀ® 901 Series I Active Equalizer, serial #7790, came through the shop recently for an upgrade. It’s original owner bought this new in 1969 and kept it in use until it began to … Continue reading

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