Tag Archives: vacuum tube

Depression-Era Radio: 1934 Grunow 460 Tombstone

Posted on January 24, 2013 by jwk

I’ve had this Grunow 460 sitting in my queue pending for a little while and it’s finally on it’s way home looking great! There was a fun extra bit of detective work to identify and solve the issues that came … Continue reading →

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First Look: 1934 Grunow 750 World Cruiser

Posted on November 19, 2012 by jwk

I picked up this Grunow 750 “World Cruiser” radio from eBay a little while ago for an incredible deal and now it’s time for it’s turn on the bench. These radios are fairly uncommon and frequently sell for several hundred … Continue reading →

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Referred Radio Repair: 1950 RCA 9X561

Posted on October 29, 2012 by jwk

A friend I’ve made through the antique radio community is also a repairman himself, but ran into some scheduling difficulty with a piece of work on his bench and referred the chassis over to me for service while he dealt … Continue reading →

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How to Make a Vacuum Tube from Scratch

Posted on July 17, 2012 by jwk

This French radio amateur takes the classical ingenuity of radio amateurs everywhere to an incredible level, creating his own triodes similar to those used in the 1920s from scratch. Watch!

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Fixing a 1934 Simplex Model P Dual Band Vintage Radio [Antique Radio Repair Log]

Posted on June 27, 2012 by jwk

I picked up this 1934 Simplex Model P Dual Band radio for my personal collection about 7 months ago, but haven’t worked on it much until this weekend. It sat on my articulated chassis stand in the corner waiting for … 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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1938 Philco 38-C-12 “Coronation” Radio Repair

Posted on June 19, 2012 by jwk

I’ve had this radio on my bench for a little while, and she’s finally back up and running – and it plays great! It’s a 1938 Philco 38-C-12, special edition to commemorate the crowning of King George IV and Queen … 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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Antique Tube Box Art

Posted on March 15, 2012 by jwk

I took a gamble on a box-lot of parts from Craigslist, and it turned out to be an excellent find. One of the things I found was a collection of tubes in their original boxes from 1926. That doesn’t happen … 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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