Category Archives: Radios and Tubes

1939-1941 Stromberg-Carlson Dial Stringing Diagrams

Posted on August 17, 2011 by retrovoltage

I’m recently the proud owner of a copy of the original dial-stringing guides for several Stromberg-Carlson radios from 1939-1941. This information is extremely hard to come by – it wasn’t included with the original engineering/service data, nor is it anywhere … Continue reading →

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Ruined Antique Radio Photo Roundup Redux

Posted on July 8, 2011 by retrovoltage

I thought I’d start the weekend off with some more photos of butchered antique radios for your viewing misery pleasure. This is the second-round photo roundup. Check out the first set of ruined antiques here! An aspiring artist thought this 1940s … Continue reading →

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Repairing an Antique Radio from Start to Finish [7 – Conclusion] – Grunow 589

Posted on June 26, 2011 by retrovoltage

And we’re done! The saga of restoring the Grunow 589 is coming to a close, as I’ve sorted the last issue, performed the final set of adjustments and verified correct operation of all its features. Update: The series is complete. … Continue reading →

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Repairing an Antique Radio from Start to Finish [6.5] – Grunow 589

Posted on June 21, 2011 by retrovoltage

Update: The series is complete. For more articles and information, visit these other posts. This dates back to 2011, when I was pretty new to this hobby – I’d probably do a few things differently now! Part 1: Identification and … Continue reading →

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Repairing an Antique Radio from Start to Finish (6) – Grunow 589

Posted on June 5, 2011 by retrovoltage

Update: The series is complete. For more articles and information, visit these other posts. This dates back to 2011, when I was pretty new to this hobby – I’d probably do a few things differently now! Part 1: Identification and … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , | 16 Comments

Questionable Resto-Mods for Antique Radios

Posted on June 3, 2011 by retrovoltage

Normally, I write about how to fix an antique radio. Today, though, I’m writing about all the creative and interesting ways people have found to destroy them – and there are quite a few ways, from gutting a radio cabinet … Continue reading →

Posted in Collections, Commentary, Photos, Radios and Tubes | Tagged , , , , , , | 22 Comments

Before and After: GE Musaphonic T-210B Radio

Posted on May 31, 2011 by retrovoltage

I recently got around to fixing up my GE Musaphonic T-210B, a relatively nice tabletop tube radio from 1963. It has two medium-sized speakers, AM and FM with automatic frequency correction with 8 tubes. When I was a very young … Continue reading →

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Newest Old Radio: a 1920s Battery Set, the Dayfan OEM-7

Posted on May 27, 2011 by retrovoltage

A new addition to my collection arrived today. I’ve been reading the Elements of Radio to learn radio theory the way it was taught in the 1930s and 1940s, and many of the reference circuits in the book are the … Continue reading →

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Repairing Antique Radio Electrics from Start to Finish (5) – Grunow 589

Posted on May 7, 2011 by retrovoltage

Update: The series is complete. For more articles and information, visit these other posts. This dates back to 2011, when I was pretty new to this hobby – I’d probably do a few things differently now! Part 1: Identification and … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , | 15 Comments

Repairing Antique Radio Electrics from Start to Finish (4) – Grunow 589

Posted on May 3, 2011 by retrovoltage

Update: The series is complete. For more articles and information, visit these other posts. This dates back to 2011, when I was pretty new to this hobby – I’d probably do a few things differently now! Part 1: Identification and … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , | 18 Comments