Monthly Archives: March 2011

Old Radio Detective Work

Posted on March 25, 2011 by jwk

I’m still working on my 1941 Stromberg-Carlson 520-PG and am running into a few new problems I’ve never come across before. Back in the era of tube radios, everything was serviceable on a component level and most people had enough aptitude and … Continue reading →

Posted in Projects, Radios and Tubes | Tagged , , , | 3 Comments

Review of Victor 3165 Frequency Counter

Posted on March 14, 2011 by jwk

A frequency counter is an important part of any electronics service bench where it’s necessary to deal with unknown signals. I used them to verify the operation of my RF signal generator while performing alignments on tube radios, because I’m … Continue reading →

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Burned Up Aiphone

Posted on March 10, 2011 by jwk

This is what happens when you connect the high level output of an audio amplifier, to an input designed to be hooked up to an MP3 player or other line level audio source. This Aiphone PA amplifier was incorrectly installed … Continue reading →

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