Category Archives: Vintage

Marantz 2245 Stereophonic Receiver Rebuild

Posted on September 19, 2014 by retrovoltage

An iconic piece of kit from the golden age of hi fi just came through my shop: the Marantz 2245 Stereophonic Receiver. This fantastic receiver is in pretty good cosmetic shape, but its owner reported that it started acting up – it’d take … Continue reading →

Posted in Audio, Electronics, Hi-Fi, Projects, Stereo, Vintage | Tagged , , , , , , , , , , , | 7 Comments

New Toy: LogiMetrics 921A RF Signal Generator – Refurbished by KISS Electronics

Posted on September 17, 2014 by retrovoltage

I just had an unexpected run-in with Murphy’s Law and found myself needing a modulated signal generator in short order. Bad news when my modulated signal generators decided to die right when I went to perform an alignment! My Leader Standard … Continue reading →

Posted in Collections, Test Equipment, Toys, Vintage | Tagged , , , , , | 1 Comment

Parts of a Vintage Radio – Middle Tube Era

Posted on September 8, 2014 by retrovoltage

Photos with parts diagrams of a vintage tube radio – the Crosley 10-139, from about the middle of the tube era. Click each photo for full size.  

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

HP 1405A Plug-In Mystery: Which Is It?

Posted on September 1, 2014 by retrovoltage

I’m fixing up an HP 143A Wide-Screen Mainframe Oscilloscope, which has a very big selection of plug-ins to provide a variety of functions. The oscilloscope has symmetrical vertical and horizontal circuits, so it can be used as an X-Y amplifier … Continue reading →

Posted in Electronics, Gadgets, Photos, Test Equipment, Vintage | Tagged , , , , , , , , , , | 16 Comments

Wanted: Vintage HP 1400-Series Vertical Amplifier Plug-Ins for Oscilloscope

Posted on August 21, 2014 by retrovoltage

I’m looking for plugins for my HP 143A Wide-Screen Mainframe Oscilloscope which I’m in the process of restoring. I’d love to run it as a 15″ high speed X-Y display, and to do so needs matched vertical amplifier plugins in … Continue reading →

Posted in Electronics, Gadgets, Projects, Test Equipment, Vintage | Tagged , , , , , , , , , , , , | 6 Comments

New Toy: HP 143 Wide-Screen Oscilloscope Mainframe Restoration – [Part 1]

Posted on August 14, 2014 by retrovoltage

At the risk of becoming a test equipment collector, I am picking up a few pieces of vintage test equipment that need some work, but will be very useful pieces of shop gear as well as interesting pieces of history … Continue reading →

Posted in Collections, Electronics, Hardware, Projects, Test Equipment, Toys, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , | 13 Comments

Close-Up of a Magic Eye

Posted on August 7, 2014 by retrovoltage
Posted in Photos, Vintage | Tagged , , , , , , | Leave a comment

The Speaker Spotter – Speakers of Craigslist – April 18th, 2014

Posted on April 18, 2014 by retrovoltage

There’s always something interesting for sale on Craigslist, especially in Seattle. Do click the titles to see the original postings with more photos and additional information if you’re interested – otherwise, enjoy the virtual window shopping! Avid Corporation 100 Speakers – … Continue reading →

Posted in Audio, Collections, Photos, Speakers, Stereo, Vintage | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 2 Comments

1931 Westinghouse WR-8 Columaire Antique Radio Repair

Posted on April 14, 2014 by retrovoltage

I recently got to work on another beautifully reconditioned Westinghouse WR-8 Columaire radio all the way from Bellingham. It was originally in for service with the SPARK Museum, but the repair technician reportedly suffered some health complications and was unable to … Continue reading →

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

1946 Zenith 6-D-029 Consoltone Antique Radio Repair

Posted on April 7, 2014 by retrovoltage

This was a very interesting Zenith tabletop radio from just after WW2, the 1946 Zenith 6-D-029 Consoltone mantle radio. This is one of the iconic “boomerang” dials Zenith produced for a couple of years after the war. A variety of … Continue reading →

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