Category Archives: Radios and Tubes

HH Scott 233 Stereo Integrated Amplifier Overhaul

Posted on December 31, 2015 by jwk

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 , , , , , , | 5 Comments

1963 Fisher FM-100-B Stereo FM Tuner Overhaul

Posted on August 9, 2015 by jwk

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

Posted on July 6, 2015 by jwk

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

Posted on April 13, 2015 by jwk

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 , , | 3 Comments

Philco 39-45 Retrofit to 40-201 Cabinet Vintage Radio Repair

Posted on January 16, 2015 by jwk

Cross-posted from the Rain City Audio Repair Blog: A local customer approached me with his family’s Philco 40-201 vintage radio to be restored back to working condition. It had sat for several decades, very well preserved, but ultimately needed some … Continue reading →

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

Sherwood S2000-III Tube FM Tuner Repair

Posted on January 8, 2015 by jwk

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 →

Posted in Audio, Electronics, Hi-Fi, Radio, Radios and Tubes, Vintage | Tagged , , , , | Leave a comment

Watch a McIntosh Tube Amp Come to Life

Posted on December 27, 2014 by jwk

Discovery’s How It’s Made shows us how a McIntosh vacuum tube audio amplifier comes to life: Definitely worth watching!

Posted in Audio, Commentary, Hi-Fi, Radios and Tubes, Stereo | Tagged , , , , , | Leave a comment

Philco 42-365 Antique Radio Repair

Posted on December 15, 2014 by jwk

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 →

Posted in Projects, Radio, Radios and Tubes, Vintage | Tagged , , , , | Leave a comment

Esteemed Bose® Model 901 Active Equalizer – Serial #230 Repair

Posted on October 17, 2014 by jwk

Cross-posted from Rain City Audio: I had the distinct pleasure of working on one of the earliest  Bose® Model 901 Active Equalizers from Series I’s first production run. Serial #230, in fact! It’s made entirely by hand and shows traces … Continue reading →

Posted in Audio, Bose, Hi-Fi, Radios and Tubes, Stereo, Vintage | Tagged , , , , , , | 2 Comments

Modern Hand Made Vacuum Tubes

Posted on October 7, 2014 by jwk

Enterprising French amateur Claude Paillard , F2FO, creates beautiful modern vacuum tubes by hand in his shop. These would be effective as an 01A replacement or similar in an early radio. It’s a real work of art. Check it out!

Posted in Collections, DIY, Electronics, Radios and Tubes, Vintage | Tagged , , , , , , | 4 Comments