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Monthly Archives: December 2015
HH Scott 233 Stereo Integrated Amplifier Overhaul
From the Rain City Audio repair blog: I was lucky enough to get to work on a very nice Scott 233 stereo integrated amplifier. This example was wonderfully well preserved, coming out of a storage unit looking like it had … Continue reading
Posted in Audio, Electronics, Radios and Tubes, Stereo, Vintage
Tagged 233, hh scott, scott, stereomaster, Tube Amp, tube stereo, vintage amp
5 Comments
Service Shortcuts December 1932
Due to a technical problem, this post was initially published with no content on Tuesday, December 29th. Retrovoltage regrets this error. Hints for the service shop, from December 1932’s Radio Retailing: A.V.C. Accessory for Screen-Grid Sets by Joseph E. Soos A … Continue reading
Posted in Uncategorized
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What’s On Your Workbench?
People ask me what kind of gear I use at Retrovoltage and at Rain City Audio for projects. So, here we go: While it’s by no means the best-equipped workbench out there, it has a good mix of lab- and service-grade … Continue reading
Posted in Collections, Commentary, Test Equipment
Tagged atten, audio precision, bk precision, HP, LogiMetrics, photos, repair bench, sencore, tektronix, test equipment, workshop
6 Comments
Assembling Transistor Radios in 1955
Here’s a great documentary short from 1955 showing how portable transistor radios were assembled. It’s super retro! (2:35) Want to learn more about transistors? Just a few years later the US Information Agency produced an 8-minute short film about the … Continue reading
Posted in Collections, Electronics, Vintage
Tagged 1955, 1959, commercial applications, documentary, history, Little Giant, radio, transistor, transistors, US information service, vintage ad
2 Comments
It’s Beginning To Look A Lot Like Christmas
Bring the Sound of Christmas Into Your Home with RCA Victor Radio
Posted in Collections, Commentary, Vintage
Tagged christmas, radio ad, rca victor, vintage ad
4 Comments
Collector or Bargain-Hunter? There are Craigslist deals out there.
If you’re like me and have a liking for vintage electronics, you’ll know that they turn up in a lot of places. Craigslist tends to be a pretty good spot for radios and even piles of tubes from time to … Continue reading
Posted in Commentary, Test Equipment, Vintage
Tagged 4c250, ghz oscilloscope, kilomegacycle, oscilloscope, tektronix, tektronix 519
7 Comments
Bose® 901 Series IV Active Equalizer #269557 Repaired
From the Rain City Audio Repair Blog: Another Bose® 901 Series IV Active Equalizer came in through the shop for an overhaul recently. This one was a bit unusual, and represents a fairly significant deviation from the published service manual. … Continue reading
Posted in Audio, Bose, Electronics, Projects
Tagged 901, Active Equalizer, Bose, series IV
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Make Christmas Special This Year with Allied Radio!
Posted in Collections, Commentary, Vintage
Tagged Ad, allied radio, christmas, vintage ad
3 Comments
Enjoying the View
I don’t know about you, but I think a huge satellite dish like that that would be a pretty cool, retrofuturistic yard decoration in addition to being interesting for a lot of other applications.
Posted in Collections, Projects
Tagged antenna, backyard, decoration, pink flamingo, retrofuturism, retrofuturistic, satellite dish, satellite TV
5 Comments
Merry Christmas from Retrovoltage!
Radio & Television News, December 1954