Category Archives: Vintage

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

What do we have here?

Posted on December 1, 2015 by retrovoltage

I was reading about how to build a capacitor checker from the December 1959 issue of Popular Electronics and stumbled across something that looked very familiar. I know that shape. Nearly identical to a Bose® 901 Series I/II cabinet, and even … Continue reading →

Posted in Audio, Bose, Collections, Commentary, DIY, Electronics, Vintage | Tagged , , , , , , , , , , , , , | 2 Comments

Service Shortcuts – November 1932

Posted on November 24, 2015 by retrovoltage

Radio Retailing brings you some helpful service shortcuts: Tube Numbering That Means Something The RMA is seriously considering a new three-character system of marking radio receiving tubes which may shortly come into general use in place of the present meaningless … Continue reading →

Posted in Collections, Vintage | Tagged , , , | 1 Comment

Harman-Kardon Festival D-1000 Tube Receiver Repair

Posted on November 17, 2015 by retrovoltage

All vintage gear has a story to tell, but something really rare and interesting recently came across the bench: the Harman-Kardon Festival D-1000. While it looks somewhat unassuming, a fairly straightforward 15-tube receiver with push-pull 6L6GC outputs and an AM … Continue reading →

Posted in Audio, Electronics, Hi-Fi, Vintage | Tagged , , , | 4 Comments