Tag Archives: restoration

1936 Grunow 566 Repair Finished! [Part 2]

Posted on March 10, 2012 by retrovoltage

I started this radio a few days ago in Part 1. I left off with the radio up on the bench ready for service. It had a lot of issues with the power supply – and as I discovered while … Continue reading →

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Next Project: 1936 Grunow 566 Radio Repair [Part 1]

Posted on March 6, 2012 by retrovoltage

I’m off to a good start for my March projects, fixing up the Grunow 588. Next up is my Grunow 566 from the year before, from 1936. I picked this one up from eBay in shockingly good original condition – … Continue reading →

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1937 Grunow 588 Radio Repair

Posted on March 3, 2012 by retrovoltage

I finally had a free day with no major commitments and was able to finally get some work done on my projects – it’s been a productive day. I picked up this nice example of a Grunow 588 “Teledial” radio … Continue reading →

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Antique Car Radio Repair: the 1951 Firestone 4-B-31 “Roamer” Vibrator Radio

Posted on February 5, 2012 by retrovoltage

A local friend is building a rat rod out of 1920s-1950s parts, a custom collection that ultimately will turn into a very fast car powered by a huge V8. He found a vintage car radio to go with it, the … Continue reading →

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Huge and Powerful: The 1937 GE F-135 Repair Complete

Posted on January 27, 2012 by retrovoltage

I’ve finally had the time to finish one of my long-running projects repairing GE’s most powerful radio offering from 1937, the GE F-135. I picked it up from Craigslist back in November but other responsibilities kept me from getting much … Continue reading →

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What’s that piece of wire, some kind of gimmick? [Mailbag]

Posted on January 17, 2012 by retrovoltage

I was talking with a fellow antique radio hobbyist on the phone the other day about a repair he was working on. A TrueTone battery radio, he’d taken care of all the important steps – checking out the tubes, replacing … Continue reading →

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Grunow 589 Radio Repair Redux

Posted on December 29, 2011 by retrovoltage

I’ve seen this model radio before in my shop and it was pretty exciting to work on another identical one. This particular one came in excellent shape – it looks like it was stored well for most of its life. … Continue reading →

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New Toy + Starting a Project [1937 GE F-135]

Posted on November 22, 2011 by retrovoltage

I picked up a very nice 1937/1938 General Electric model F-135 radio from Craigslist a few weeks ago, and have been starting to dig into it. It’s one of the highest end radios they produced that year for the 1937 … Continue reading →

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Firestone 4-B-31 “Roamer” Car Radio [In Progress]

Posted on November 12, 2011 by retrovoltage

Just a short update to show what I’m working on right now. Other priorities have gotten in the way of actually updating this site over the last week, but things are still going on in the background! One project up … Continue reading →

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1942 GE LF-116 Radio Repair Part 5 – Alignment and Reinstallation [Finished!]

Posted on October 24, 2011 by retrovoltage

(June 2026 – Noting that this was one of my early repairs, several years before I started taking commercial work and this was truly a hobby. A few things you’ll see here don’t reflect how I’d do that work today!) … Continue reading →

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