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Category Archives: Bose
Bose® Wave Radio AWR1-1W Repair
From the Rain City Audio Repair Blog: A Bose® Wave Radio, model AWR1-1W, just came through the shop for a repair. The radio had been working okay all these years but had recently stopped receiving any stations and instead was … Continue reading
Bose® 901 Series VI #181070 Repair
From Rain City Audio: This Bose® 901 Active Equalizer, Series VI, came into the shop recently. These are some of the most recently produced Active Equalizers, although they’re still potentially a few decades old at this point in time. This … Continue reading
Bose® 901 Series II #65097 Overhaul
This Bose® 901 Series II Active Equalizer, #65097, just came through the shop for an overhaul. It worked briefly, but failed quickly on its original components. Nothing that an overhaul can’t take care of! This particular unit had its three … Continue reading
Bose® 901 Series II #114658 Repair
From Rain City Audio: This Bose® 901 Series II Active Equalizer, #114658, just came through the shop for repair. It had stopped performing the proper equalizer functions, and so was time for an overhaul. Inside, it looks like the smaller … Continue reading
Bose® 901 Series II #71033 Overhaul
From Rain City Audio: This Bose® 901 Series II Active Equalizer, #71033, came into the shop for an overhaul recently. It was showing some signs of age, in this case, a bad left channel. Nothing Rain City Audio can’t fix! This … Continue reading
Posted in Audio, Bose, Electronics, Stereo, Vintage
Tagged 71033, Active Equalizer, Bose, series II
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Bose® 901 Series IV Active Equalizer #509052
From Rain City Audio: This Bose® 901 Series IV Active Equalizer, #509052, was just purchased and sent to Rain City Audio for an overhaul. This unit was originally a 220V model but had already been converted to 110V on a … Continue reading
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 … Continue reading
Posted in Audio, Bose, Electronics, Hi-Fi, Vintage
Tagged 66380, 901, Active Equalizer, Bose, series II
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Bose® 901 Series IV Active Equalizer #265335 Overhaul
From Rain City Audio: This Bose® 901 Series IV Active Equalizer, #265335, just came through the shop for an overhaul. It’s owner bought this equalizer as a part of getting his Bose® system back up and running and sent it … Continue reading
Posted in Audio, Bose, Electronics, Hi-Fi, Projects, Vintage
Tagged 265335, 901, Active Equalizer, Bose, series IV
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Bose® 901 Series I Active Equalizer #9724 Overhaul and Upgrade
From Rain City Audio: This rare early-production Bose® 901 Active Equalizer, serial #9724, came through the shop recently for an overhaul. It’s owner reported that both channels would cut out intermittently, the switches were noisy, and the power lamp was … Continue reading
Posted in Audio, Bose, Electronics, Projects, Vintage
Tagged 901, 9724, Active Equalizer, Bose, repair, series IV
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Bose® 901 Series IV Active Equalizer #223227 Overhaul
From Rain City Audio: This Series IV Active Equalizer, #223227, just came through for an overhaul. The owner reported it wasn’t making any sounds, just providing a DC offset on the output jacks which was giving his power amplifier some … Continue reading
Posted in Audio, Bose, Electronics, Projects, Vintage
Tagged 223227, 901, Active Equalizer, Bose, series IV
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