Tag Archives: capacitor

Identifying Your Bose 901 Series 1 Equalizer [Vintage Hi-Fi] [Production Runs]

Posted on July 11, 2012 by jwk

Bose 901 Series I Active Equalizers came in two varieties, which can be used interchangeably, but have fairly different circuit designs. It’s simple to tell them apart for ordering parts for a repair with a quick inspection of the inside. Both … Continue reading →

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Repairing the Farnsworth K-262P Vintage Radio [Antique Radio Repair Log]

Posted on June 24, 2012 by jwk

A local client engaged me to repair his antique radio, a Farnsworth K-262P from between 1948 and 1951. His wife bought the radio to listen to records, and it came to me with reports that it had been working for … Continue reading →

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Build Log and Review: Mable Audio VT-86PP Kit Hi-Fi Amp Project [Chinese Gear]

Posted on March 30, 2012 by jwk

About a year ago, someone left a comment that really looked like spam on one of my pages advertising a web store selling tube audio gear and parts for guitar and audio amplifiers. Against everything I’ve ever learned about behaving … Continue reading →

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1936 Grunow 566 Repair Finished! [Part 2]

Posted on March 10, 2012 by jwk

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 jwk

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

Posted on January 27, 2012 by jwk

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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More Strange Coiled Wires [Mailbag]

Posted on January 24, 2012 by jwk

I had an interesting call the other day with a gentleman about a radio he’s working on, among other topics: That’s a Philco 46-420. They’re nice little bakelite radios with 6 tubes designed to receive the AM broadcast band. He’d come … Continue reading →

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

Posted on January 17, 2012 by jwk

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

Posted on October 15, 2011 by jwk

Part of a continuing series: Part 1 – History and First Looks Part 2 – Tool Prep Part 3 – Capacitor Can Rebuild Part 4 – Capacitors and Socket Replacement  Part 5 – Finished! I’m continuing to work on this … Continue reading →

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1942 GE LF-116 Radio Repair Part 3 – Capacitor Can Rebuilding

Posted on October 12, 2011 by jwk

Part of a continuing series: Part 1 – History and First Looks Part 2 – Tool Prep Part 3 – Capacitor Can Rebuild Part 4 – Capacitors and Socket Replacement  Part 5 – Finished! I’m continuing to work on the … Continue reading →

Posted in Electronics, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , | 4 Comments