Tag Archives: repair

Bose 901 Series I Active Equalizer #50911 Repaired

Posted on December 3, 2013 by retrovoltage

I recently had this Bose 901 Series I Active Equalizer, serial number 50911, in the shop for repair. These are a lot of fun to work on and very rewarding for the great sound they produce when they’re working properly. … Continue reading →

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1936 GE Model A-52 Antique Radio Repaired!

Posted on November 22, 2013 by retrovoltage

A change of pace from the Bose equalizers and hi-fi I’ve been working on a lot of lately, I had the pleasure of working on a 1936 GE Model A-52 antique radio. This is a nicely designed and straightforward table … Continue reading →

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1954 Philips 778-2 Canadian Antique Radio Repair

Posted on October 24, 2013 by retrovoltage

I was lucky enough to get to work on a beautiful 1954 Philips 778-2 radio console. It had been moved around and played for a while but eventually ended up giving only buzzing instead of audio output. I’m surprised it … Continue reading →

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1931 Westinghouse Columaire WR-8 Grandfather Clock Radio

Posted on July 15, 2013 by retrovoltage

I’ve had the privilege of working on this 1931 Westinghouse grandfather clock radio, the Columaire WR-8. These are a very beautiful and desirable early piece of radio engineering and featured a New Haven Westinghouse electric clock in the front and … Continue reading →

Posted in Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , | 12 Comments

Overloaded 1931 Transformer [Fried Electronics]

Posted on June 7, 2013 by retrovoltage

I’m working on a 1930/31 Westinghouse WR-8 Columnaire clock-radio which had a bad transformer. The filter capacitors failed and shorted the high-voltage secondary, burning it open and causing a lot of heat and melting.   The replacement is a General … Continue reading →

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A Most Convoluted 1934 Philco 66B Antique Radio Repair

Posted on May 31, 2013 by retrovoltage

Recently, I took in a beautiful Philco 66B for repair. Manufactured in 1934, this chassis ended up in several different models – a couple of tombstones, a cathedral, and at least two console radios. They’re all 5-tube radios with the … Continue reading →

Posted in DIY, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , | 14 Comments

1934 Silvertone 1708A Repair and Restoration

Posted on April 23, 2013 by retrovoltage

I recently had the pleasure of working on a 1934 Silvertone 1708A which was brought to me for repair locally. This was great – having a radio repaired can be a big decision, so I’m happy to show off my … Continue reading →

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Thrift Store Jamo MPA-101 Repair

Posted on February 11, 2013 by retrovoltage

I started working on a Jamo MPA-101 amplifier back in August for a friend and after some early work it sat for a while. He’s re-doing his audio system at home so I spent a few hours to finish troubleshooting … Continue reading →

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Bad Capacitors Strike Again

Posted on February 5, 2013 by retrovoltage

I’m working on another Bose 901 Series 1 equalizer. It looks to be the same manufacturing run as the first one I wrote up last July, uses the same components, and those components look like they’ve had the same failure … Continue reading →

Posted in Electronics, Hardware | Tagged , , , , , , , | 9 Comments

Depression-Era Radio: 1934 Grunow 460 Tombstone

Posted on January 24, 2013 by retrovoltage

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 →

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