Category Archives: Vintage

Music Minder Automatic Power Controller for Hi-Fi Systems

Posted on August 24, 2016 by retrovoltage

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

Would you look at that!

Posted on August 9, 2016 by retrovoltage

It’s pretty, but this 12BA6 tube has amplified for the last time. Vacuum failure has led to a gas intruding into the vacuum, and it makes a great light show when it’s being tested! As cool as it looks, this would cause … Continue reading →

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

“Won’t that ruin the vintage sound?”

Posted on March 16, 2016 by retrovoltage

Audio as a hobby sits in an interesting place in the world. There are hard numbers and objective measurements made with lab equipment on one end, and on the other end you have the subjective and variable linguistic descriptions assigned … Continue reading →

Posted in Audio, Commentary, Electronics, Hi-Fi, Vintage | Tagged , , , , , , , | 3 Comments

Retro 1956 Cyclometer VTVM – Hycon Model 615

Posted on February 19, 2016 by retrovoltage

A pretty cool, very rare piece of test equipment turned up on eBay recently: a 1956 Hycon model 615 AC/DC VTVM. This was a precursor of today’s digital, using analog servo circuitry to drive the numeric digit display. These were … Continue reading →

Posted in Electronics, Gadgets, Test Equipment, Vintage | Tagged , , , , , | 2 Comments

Philips High Fidelity Laboratories 673 Tuner Repair and Alignment

Posted on January 4, 2016 by retrovoltage

This Philips 673 tuner just came through the shop for an overhaul and adjustment. It was working for the most part but the alignment had shifted and there was room for improvement on the sound quality. Philips designed this tuner … Continue reading →

Posted in Audio, Electronics, Radio, Vintage | Tagged , , , | 3 Comments

HH Scott 233 Stereo Integrated Amplifier Overhaul

Posted on December 31, 2015 by retrovoltage

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 just left the showroom floor. Unfortunately, though, … Continue reading →

Posted in Audio, Electronics, Radios and Tubes, Stereo, Vintage | Tagged , , , , , , | 7 Comments

Merry Christmas from Retrovoltage!

Posted on December 25, 2015 by retrovoltage

Radio & Television News, December 1954

Posted in Collections, Commentary, Vintage | Tagged , , , , , , , | 4 Comments

It’s Beginning To Look A Lot Like Christmas

Posted on December 16, 2015 by retrovoltage

Bring the Sound of Christmas Into Your Home with RCA Victor Radio

Posted in Collections, Commentary, Vintage | Tagged , , , | 4 Comments

Collector or Bargain-Hunter? There are Craigslist deals out there.

Posted on December 12, 2015 by retrovoltage

If you’re like me and have a liking for vintage electronics, you’ll know that they turn up in a lot of places. Craigslist tends to be a pretty good spot for radios and even piles of tubes from time to … Continue reading →

Posted in Commentary, Test Equipment, Vintage | Tagged , , , , , | 7 Comments

Make Christmas Special This Year with Allied Radio!

Posted on December 9, 2015 by retrovoltage
Posted in Collections, Commentary, Vintage | Tagged , , , | 3 Comments