Category Archives: Collections

Factories Making CeCo Tubes

Posted on May 19, 2015 by retrovoltage

CeCo Plant No. 2, now partially in operation and to be finally completed in April – located at Providence, R.I. Radio Retailing, Apr. 1929

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Raytheon, “The Healthy Tubes”

Posted on May 17, 2015 by retrovoltage

What makes these tubes healthy compared with the others, anyway? Radio Retailing, April 1929

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The Audak Electro-Chromatic Pick-Up

Posted on May 16, 2015 by retrovoltage

Throughout the music world AUDAK Reproducers have long been the standard by which others are judged and valued. Their ability to respond to every shade and colortone…so essential to REAL music…has been faithfully transmitted to the AUDAK Chromatic Pick-up, creating … Continue reading →

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The New Stewart-Warner Series 900 Radio

Posted on May 15, 2015 by retrovoltage

This Consolette Ensemble combining Stewart-Warner Table Cabinet Receiver with the New Stewart-Warner Dyphonic Reproducer, an arresting value at $113 (less tubes). Radio Retailing, April 1929

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Vintage Engineering is Beautiful [’70s TV]

Posted on January 30, 2015 by retrovoltage

’70s Industrial Modern Television in Custom Enclosure

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Merry Christmas from Retrovoltage!

Posted on December 25, 2014 by retrovoltage

Season’s Greetings!

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Vintage Engineering is Beautiful

Posted on October 30, 2014 by retrovoltage

EL84 output tubes in an EICO HF-81 integrated stereo amplifier.

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Wherever you go – you’re headed for FUN with Motorola Portables

Posted on October 1, 2014 by retrovoltage

No matter where you’re going, you’re headed for more Fun with a Motorola Portable! They play anywhere – on their own batteries or on house current. You’ll like the dependable performance that comes from the ruggedly built chassis and shock-resistant … Continue reading →

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Test Equipment Round-Up – September 20th, 2014

Posted on September 20, 2014 by retrovoltage

I always keep an eye on eBay for plug-ins for my HP 143 oscilloscope and even if they don’t turn up, it’s always interesting to see what else is in the category. Some of these are pretty interesting – there’s definitely … Continue reading →

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Getting Started With Vintage Radio and Electronics: Basic Tools for the Hobbyist

Posted on September 18, 2014 by retrovoltage

This page is outdated, but I’m keeping it up for SEO reasons. Here’s the current version:

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