Tag Archives: repair

Magnavox 1ST611R Tube Console Stereo Overhaul

From Rain City Audio: A customer recently brought me the guts from his Magnavox 1ST611R mid-century stereo console for an overhaul. He’d had the console for a while, working but with some trouble, but wanted to finally get it back … Continue reading

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Bose® 901 Series II Active Equalizer #64364 Overhaul

This Series II Bose® Active Equalizer came through the shop. It had suffered age-related failures in its electrolytic capacitors, and the resistors had drifted with age and moisture to produce the wrong curves. Fortunately, it’s nothing some maintenance can’t solve! … Continue reading

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Bose® 901 Series I Active Equalizer #6878 Repair

This early-production Bose® 901 Active Equalizer came through the shop recently for a repair. These Early models were the very first production run, back in 1968, and have a pretty significantly different circuit design from the later models, and feature … Continue reading

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Bose® 901 Series IV Active Equalizer #253288 Overhaul

This Bose® 901 Series IV Active Equalizer came through the shop for a full overhaul. Inevitably over the years, various parts wear out and degrade and can make the equalizer sound bad – or not work at all. Without the … Continue reading

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Remember: Please Take the Workbench Survey!

I mentioned this a week ago, and will continue to do so through the new year – I’ve got a great set of responses so far but would love some more to make the data even more interesting! Do you … Continue reading

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Electronics Repair Equipment Survey

Do you play with electronics as a hobby, are you a freelance repair technician, or do you work for an established repair shop? Take the Electronics Workbench Equipment Survey! Share a little bit about what equipment you regularly use to … Continue reading

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1937 Zenith 5-S-126 Tune-Up

From the Rain City Audio Repair Blog: This very nice Zenith 5-S-126 came through the shop a little while ago. It was originally purchased by a local collector from eBay already restored and playing, and served well for a couple … Continue reading

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