Tag Archives: stereo

Harman-Kardon Citation 17S Pre-Amplifier Refurbishing

Cross-posted from the Rain City Audio Repair Blog: I recently got to work on a Harman-Kardon Citation 17S pre-amplifier. Vintage HK gear is some of my favorite to work on: it’s robust, reliable, and built to be easy to service. … Continue reading

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Harman/Kardon Control Amplifier A-401 Restoration

This little Harman/Kardon Control Amplifier, model A-401, just came through the shop for a full overhaul. It was in a pretty sorry state to begin with – one channel distorted, one barely gasping for air, and a world of scratchy … Continue reading

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Sony TA-4650 VFET Stereo Amplifier Inspection and Upgrade

This Sony TA-4650 was shipped to me from Canada for a shop visit on its way to its ultimate owner in California, who just bought it on eBay. He had it sent to my shop for an inspection and a … Continue reading

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1956 Grundig 8080 German Hi-Fi Console Repair

Cross-posted from Rain City Audio: German radios like this one are a lot more difficult to work on than most American and Canadian radios, and they’re a lot less common, but they do turn up once in a while. This … Continue reading

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Sony TA-4650 VFET Stereo Integrated Amplifier Check-Up

This repair cross-posted from Rain City Audio: I recently had this Sony TA-4650 in the shop for a check-up. It was reportedly giving static in one channel. That’s trouble on an amp like this – Sony used an ambitious new technology, the VFET, a … Continue reading

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The Speaker Spotter – Speakers of Craigslist – April 18th, 2014

There’s always something interesting for sale on Craigslist, especially in Seattle. Do click the titles to see the original postings with more photos and additional information if you’re interested – otherwise, enjoy the virtual window shopping! Rain City Audio is not … Continue reading

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Bose Active Equalizer Model 800 Repair – Bose 800 Active Equalizer

A new one for the shop, I recently worked on a Bose Active Equalizer model 800. This is very similar to the Bose 901 Series II active equalizer; the 800 series were Bose’s PA speaker series from the same model … Continue reading

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