Category Archives: Radios and Tubes

Dynaco FM-3 High Fidelity Tuner Repair

I recently got to work on a very interesting Dynaco FM tuner, the FM-3, which was in the shop for an overhaul. The owner reported it wasn’t working that well anymore, which isn’t a surprise given it’s age. These are good … Continue reading

Posted in Audio, Electronics, Projects, Radio, Radios and Tubes, Stereo, Vintage | Tagged , , , , | 6 Comments

1957 Grundig 5060A High Fidelity Tube Radio

From Rain City Audio: German radios are considerably less common than U.S.-made radios from the same model years, but offer excellent performance and very beautiful styling. This Grundig 5060A from 1957 does just that, offering AM Broadcast, two Shortwave, and … Continue reading

Posted in Audio, Electronics, Hi-Fi, Projects, Radio, Radios and Tubes, Vintage | Tagged , , , , , | 5 Comments

1946 Setchell-Carlson 416 “Frog Eyes” Radio Repair

This little post-WW2 AM Broadcast receiver made a trip from the central Skagit Valley down to Seattle’s Rain City Audio for service. The owner had one of these decades ago and recently picked up another, and wanted it to be … Continue reading

Posted in Audio, Electronics, Projects, Radio, Radios and Tubes, Vintage | Tagged , , , , | 3 Comments

HH Scott 233 Stereo Integrated Amplifier Overhaul

From the Rain City Audio repair blog: I was lucky enough to get to work on a very nice Scott 233 stereo integrated amplifier. This example was wonderfully well preserved, coming out of a storage unit looking like it had … Continue reading

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

1963 Fisher FM-100-B Stereo FM Tuner Overhaul

Cross-posted from the Rain City Audio repair blog: Something a bit unusual came through the shop recently, an old tube-type Fisher FM-100-B Stereo FM tuner. Anyone who knows classic tube audio knows Fisher, and the FM-100-B sure lives up to … Continue reading

Posted in Audio, Electronics, Radios and Tubes, Stereo, Vintage | Tagged , , , , , | 3 Comments

1950s Motorola Modded Standalone Tube Amplifier Measurements

Cross-posted from the Rain City Audio Repair Blog: Rain City Audio had an unusual project through the shop recently. It’s a Magnavox tube amp from the late 1950s. The owner brought it in reporting he’d purchased the amplifier, pulled from … Continue reading

Posted in Audio, DIY, Electronics, Hi-Fi, Projects, Radios and Tubes, Vintage | Tagged , , | 3 Comments

Harmony H400 Tube Guitar Amplifier Repair

Cross-posted from the Rain City Audio Repair Blog: I recently had another Harmony amplifier, the  H400, through the shop for an overhaul. It’s owner, who previously sent me a Harmony H500 for service as well, took it to a local … Continue reading

Posted in Audio, Radios and Tubes, Vintage | Tagged , , | 1 Comment