Category Archives: Vintage

Unboxing my Sharp PC-4501 classic Personal Computer

Posted on January 9, 2012 by retrovoltage

It’s 1987 and I’ve been needing a new laptop. After a careful process of comparison shopping I settled on my Sharp PC-4501 from Montgomery Ward. Let’s open it up and take a look! For only $699.99, it’s a state of … Continue reading →

Posted in Commentary, Electronics, Hardware, Photos, Vintage | Tagged , , , , , , , , , , , , , , | 9 Comments

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 →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , | 8 Comments

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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Antique Radio in “House” Season 8 Episode 5

Posted on November 13, 2011 by retrovoltage

In “House”, Season 8 Episode 5 (aired 11/7), we can see that the good Doctor has a 1937 Philco 37-620 Radiobar in his office. Unclear whether or not it has the original glassware. I’d love to have one of these … Continue reading →

Posted in Collections, Photos, Radios and Tubes, Television, Vintage | Tagged , , , , , , | 3 Comments

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 →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , | 1 Comment

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 →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , | 11 Comments

Short Project: 1940 RCA Globetrotter A-20 by John Vassos

Posted on October 23, 2011 by retrovoltage

The last of the three radios I picked up from an estate sale a few weeks ago, I spent about an hour this evening bringing it back to life. I’m still waiting on parts for my GE LF-116 – my … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , | 2 Comments

Short Project: A New Lease on Life for an Unknown Small Radio

Posted on October 15, 2011 by retrovoltage

I visited a radio collector’s estate sale this morning and went home with a couple new projects. I started working on the first of them this afternoon, an incredibly simple small radio without any particular brand identification. I snapped these … Continue reading →

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1942 GE LF-116 Radio Repair Part 4 – Capacitors and Discriminator/Phase Inverter Socket

Posted on October 15, 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 →

Posted in Electronics, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , | 8 Comments

Going Digital [Radio Manuals]

Posted on October 13, 2011 by retrovoltage

My digital copies of Rider’s Perpetual Troubleshooter manuals arrived! In the back are the six hardbound volumes I own, out of a set of 24 total. In front, DVDs I purchased from eBay seller KE3GK for about the price of one … Continue reading →

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