Author Archives: jwk

Best IoT Dev Board?

Posted on October 13, 2019 by jwk

I’m looking into getting started with my own IoT project — in my case, I’m interested in building a security system which takes a few different inputs into account – potentially including some ML image recognition – before deciding what … Continue reading →

Posted in Electronics | Tagged , , | 1 Comment

Auto-Sync Broke

Posted on June 12, 2017 by jwk

Hmm. It looks like my blog’s Auto-Sync broke a long time ago, since it seems not to be cross-posting the shop blog entries anymore and hasn’t been for months. Now that I know there is a problem, I’ll consider doing … Continue reading →

Posted in Uncategorized | 1 Comment

Bose® Wave Radio AWR1-1W Repair

Posted on January 18, 2017 by jwk

From the Rain City Audio Repair Blog: A Bose® Wave Radio, model AWR1-1W, just came through the shop for a repair. The radio had been working okay all these years but had recently stopped receiving any stations and instead was … Continue reading →

Posted in Audio, Bose, Electronics | Tagged , , , | 2 Comments

1938 General Electric G-56 Repair

Posted on December 27, 2016 by jwk

From the Rain City Audio Repair Blog: Rain City Audio recently had the occasion to work on a 1938 GE radio, the model G-56. Since these are rather large floor model radios, the owner removed the chassis and speaker from … Continue reading →

Posted in Projects, Radio | Tagged , , , , , , | 2 Comments

Important Notice from Rain City Audio

Posted on November 18, 2016 by jwk

Active Equalizer #111042, received 11/18 with no contact information or paperwork, will be held for 30 days in pending status ending at midnight on December 18th, 2016 before being considered abandoned and disposed.

Posted in Uncategorized | 1 Comment

A Surprise in a Re-Stuffed Capacitor

Posted on October 18, 2016 by jwk

I was recently re-stuffing some capacitors for a radio. It’s not something I do often, but I’ve accumulated a pile of pulled vintage caps over the years so I have some on hand if a customer requests the most detailed … Continue reading →

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

1930 Crosley Arbiter Radio Repair

Posted on October 12, 2016 by jwk

From the Rain City Audio Repair Blog: This 1930 Crosley radio came through the shop for a repair recently. The owner dropped off the chassis and turntable, then took the cabinet for professional refinishing. At some point in this radio’s … Continue reading →

Posted in Audio, Electronics, Radio, Radios and Tubes, Vintage | Tagged , , , , | 5 Comments

Oops…no posts!

Posted on September 21, 2016 by jwk

It looks like my automatic re-post script which posts things from the shop blog over to Retrovoltage hasn’t been working for a bit. Sorry for the lack of posts! I’ve been up to quite a few projects recently, so look … Continue reading →

Posted in Commentary | 1 Comment

Music Minder Automatic Power Controller for Hi-Fi Systems

Posted on August 24, 2016 by jwk

Mixed in with some other gear I’m servicing, I found this old Music Minder power box. It’s not all that obvious what it’s for at first glance! Some digging around found an explanation in the June 1958 issue of Popular … Continue reading →

Posted in Audio, Electronics, Gadgets, Hi-Fi, Vintage | Tagged , , , , , | Leave a comment

Reviewing the Gemtune APPJ PA1501A 6AD10 Stereo Tube Amplifier

Posted on August 17, 2016 by jwk

I recently picked up an interesting little tube amp via a group buy on Massdrop, the Gemtune APPJ PA1501A stereo tube amplifier. Try saying that three times fast! It’s a cute little single-ended stereo tube amp using a pair of 6AD10 … Continue reading →

Posted in Audio, Commentary, Electronics, Hi-Fi, Stereo, Toys | Tagged , , , , , , | 15 Comments