Category Archives: Radio

Antenna Distribution for AM Radios

I’ve had a few questions come my way about antenna distribution systems for AM radios, specifically to connect something like a large attic antenna to multiple radios at once. There’s a lot out there designed for VHF/UHF or CATV signals, … Continue reading

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Telefunken Bajazzo Sport 201 Transistor Radio

Cross-posted from the Rain City Audio Repair Blog: I don’t typically service portable transistor radios, but I make an occasional exception for something especially unique or interesting. The Telefunken Bajazzo Sport 201 is no exception – it’s a high end … Continue reading

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Sherwood S2000-III Tube FM Tuner Repair

Cross-posted from the Rain City Audio Repair Blog: Sherwood made some excellent hi-fi FM tuners back in the day, and this S2000-III is no exception. Unfortunately, there’s not a lot of documentation about this model available, but that didn’t stop … Continue reading

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Philco 42-365 Antique Radio Repair

Cross-posted from the Rain City Audio Repair Blog: This Philco 42-365 came to the shop in need of major repairs. It was missing its dial string, lamps, and the power transformer had melted down due to a failure in the … Continue reading

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High Stability TCXO Upgrade for RTLSDR Dongles

Over at RTL-SDR.com, I found out about a great new product that’s just come out for more precise SDR applications: a customized R820T-based stick with a high stability temperature compensated crystal oscillator (TCXO) in place of the stock crystal, giving … Continue reading

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Homemade North Korean Defector’s Radio [Photos]

Radio might be taken for granted here in the U.S., but in other parts of the world it’s still a vital link in receiving underground information in repressive regimes. This story out of North Korea from NK News shows just … Continue reading

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1962 Coronet 6 Transistor Shirt-Pocket Radio TRN-6

This rare early shirt-pocket transistor radio, the Coronet TRN-6, needed a few new capacitors to sound its best. It delivers surprising performance from such a small package! Plenty of tear-down photos in this article.

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