Category Archives: Vintage

First Ever Bose 901 Series 1 Active Equalizer Repair

Posted on July 25, 2012 by retrovoltage

This post is almost 15 years old! Check out this much more recent round-up of Bose 901 Series I and II Active Equalizer repair tips and tricks, and leave a comment if you have any feedback. This post was one … Continue reading →

Posted in Electronics, Projects, Speakers, Vintage | Tagged , , , , , , , , , , , , , , , , | 38 Comments

Identifying Your Bose 901 Series 1 Equalizer

Posted on July 11, 2012 by retrovoltage

Looking for the latest info on repairing your Bose 901 Series I, Series II, or Bose 800 Active Equalizer and speaker system? Take a look at the latest in-depth guide with everything you need to know (and more!) Bose 901 … Continue reading →

Posted in Electronics, Projects, Vintage | Tagged , , , , , , , , , , , | 4 Comments

Fixing a 1934 Simplex Model P Dual Band Vintage Radio

Posted on June 27, 2012 by retrovoltage

I picked up this 1934 Simplex Model P Dual Band radio for my personal collection about 7 months ago, but haven’t worked on it much until this weekend. It sat on my articulated chassis stand in the corner waiting for … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , | 18 Comments

Repairing the Farnsworth K-262P Vintage Radio

Posted on June 24, 2012 by retrovoltage

I recently worked on a Farnsworth K-262P from between 1948 and 1951. His wife bought the radio to listen to records, and it came to me with reports that it had been working for a time but had inexplicably gone … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , | 10 Comments

1938 Philco 38-C-12 “Coronation” Radio Repair

Posted on June 19, 2012 by retrovoltage

I’ve had this radio on my bench for a little while, and she’s finally back up and running – and it plays great! It’s a 1938 Philco 38-C-12, special edition to commemorate the crowning of King George IV and Queen … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , | 7 Comments

How Television Benefits Your Children [Vintage Ad]

Posted on May 17, 2012 by retrovoltage

Motorola, leader in television, shows how TV can mean better behavior at home and better marks in school! Own a Motorola and you know you own the best. Does that clown look terrifying to anyone else?

Posted in Commentary, Photos, Television, Vintage | Tagged , , , , , , | 5 Comments

Antique Tube Box Art

Posted on March 15, 2012 by retrovoltage

I took a gamble on a box-lot of parts from Craigslist, and it turned out to be an excellent find. One of the things I found was a collection of tubes in their original boxes from 1926. That doesn’t happen … Continue reading →

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

1936 Grunow 566 Repair Finished! [Part 2]

Posted on March 10, 2012 by retrovoltage

I started this radio a few days ago in Part 1. I left off with the radio up on the bench ready for service. It had a lot of issues with the power supply – and as I discovered while … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , , | 3 Comments

Next Project: 1936 Grunow 566 Radio Repair [Part 1]

Posted on March 6, 2012 by retrovoltage

I’m off to a good start for my March projects, fixing up the Grunow 588. Next up is my Grunow 566 from the year before, from 1936. I picked this one up from eBay in shockingly good original condition – … Continue reading →

Posted in Photos, Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , | 3 Comments

1937 Grunow 588 Radio Repair

Posted on March 3, 2012 by retrovoltage

I finally had a free day with no major commitments and was able to finally get some work done on my projects – it’s been a productive day. I picked up this nice example of a Grunow 588 “Teledial” radio … Continue reading →

Posted in Projects, Radios and Tubes, Vintage | Tagged , , , , , , , , , , , , , , , , , | 6 Comments