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Tag Archives: repair
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
Posted in Audio, Bose, Projects
Tagged 1937, 5-s-126, antique radio, repair, vintage radio, zenith
6 Comments
Creek 4140 S2 Overhaul and Voltage Conversion
From the Rain City Audio Repair Blog: This Creek 4140 S2 amplifier is a bit newer than most through the shop, although it’s getting up there. This particular one was constructed in 1989, and came via eBay from the UK … Continue reading
Posted in Audio, Electronics, Projects
Tagged 4140 S2, Creek, integrated amplifier, repair
1 Comment
Sony ST-J75 Recap and Alignment
Cross-posted from the Rain City Audio Repair Blog: The Sony ST-J75 is a pretty well regarded, great sounding stereo FM tuner from the early ’80s. It’s one of the first forrays into digital tuning, with a frequency read-out, programmable memory, … Continue reading
Bose® 901 Series V Active Equalizer #130806 Repaired
Cross-posted from the Rain City Audio Repair Blog: More and more, even the newer generation Bose® Active Equalizers are showing signs of age. Series V and VI have been making appearances here and there, but seem to have picked up quite … Continue reading
Posted in Audio, Bose, Electronics, Projects
Tagged Active Equalizer, Bose, rain city audio, repair
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Philco 39-45 Retrofit to 40-201 Cabinet Vintage Radio Repair
Cross-posted from the Rain City Audio Repair Blog: A local customer approached me with his family’s Philco 40-201 vintage radio to be restored back to working condition. It had sat for several decades, very well preserved, but ultimately needed some … Continue reading
Posted in Electronics, Radios and Tubes, Vintage
Tagged 39-45, 40-201, antique radio, philco, repair, restoration, vintage radio
2 Comments
Bose 901 Series 1 Active Equalizer #46453 Repair
Cross-posted from the Rain City Audio Repair Blog: Another Bose® 901 Series I Active Equalizer came through the ship, Serial #46453. It came in with a variety of issues, just not sounding like it used to, and the owner requested … Continue reading
Posted in Audio, Bose, Hi-Fi, Projects, Vintage
Tagged Active Equalizer, Bose 901, Bose Active Equalizer, capacitor, capacitor replacement, Equalizer, repair
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Bose® 901 Series I Active Equalizer #33133 Overhaul and Upgrade by Rain City Audio
Cross-posted from the Rain City Audio Repair Blog: Another Bose® 901 Series I Active Equalizer was through the shop lately, serial #33133. It came in working well enough on its original components for an overhaul and upgrade to ensure it … Continue reading
Posted in Audio, Bose, Hi-Fi, Projects, Stereo
Tagged Active Equalizer, Bose, Bose 901, Bose Active Equalizer, Bose Equalizer, capacitor replacement, repair, seattle stereo repair, Series 1, series I
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Bose 901 Series IV #244005 Repair by Rain City Audio
Cross-posted from the Rain City Audio Repair Blog: Bose® 901 Series IV equalizers are coming through the shop more regularly in the past year. It’s expected as these are definitely getting up there in years. This one was sounding muddy … Continue reading
Posted in Audio, Bose, Hi-Fi, Projects, Stereo
Tagged Bose 901, Bose Active Equalizer, Bose Equalizer, capacitor replacement, repair, series IV
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EICO Stereophonic Integrated Amplifier HF-81 Repair
From the late ’50s, I had this nice example of an EICO HF-81 amplifier come through my shop. These are nice little stereo amplifiers with a built-in phono pre-amp and RIAA equalization and feature about 14W of power output per … Continue reading
Adding Capture to a Vintage Scanning Electron Microscope
Applied Science over at YouTube has a great video about adding a capture capabilities to a vintage scanning electron microscope, including some great videos of that instrument in action. Check it out: