Monthly Archives: December 2015

HH Scott 233 Stereo Integrated Amplifier Overhaul

Posted on December 31, 2015 by

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 , , , , , , | 4 Comments

Service Shortcuts December 1932

Posted on December 30, 2015 by

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 →

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Merry Christmas from Retrovoltage!

Posted on December 25, 2015 by

Radio & Television News, December 1954

Posted in Collections, Commentary, Vintage | Tagged , , , , , , , | 4 Comments

What’s On Your Workbench?

Posted on December 20, 2015 by

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 , , , , , , , , , , | 6 Comments

Assembling Transistor Radios in 1955

Posted on December 18, 2015 by

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 , , , , , , , , , , | 2 Comments

It’s Beginning To Look A Lot Like Christmas

Posted on December 16, 2015 by

Bring the Sound of Christmas Into Your Home with RCA Victor Radio

Posted in Collections, Commentary, Vintage | Tagged , , , | 4 Comments

Tektronix 575 Mod 122C Curve Tracer Restoration Project – Part 1

Posted on December 15, 2015 by

A while back I picked up a Tektronix 575 Mod 122C transistor curve tracer from Craigslist and just started digging into it. With some encouragement from reader petepdx, I’ve started actually looking into fixing it up. (Click the photos for a much larger … Continue reading →

Posted in Commentary, Electronics, Test Equipment, Vintage | Tagged , , , , , , , , , , , | 16 Comments