Everything for Electronics
...

eTracer Digital Tube Tester and Curve Tracer Kit

This modern take on the tube tester is a must-have for anyone who regularly works with tube-type electronics.

...

Restoration of an Abused 1965 McIntosh C22 All-Tube Preamp

The C22 — one of my holy grail audio electronics acquisitions — is known for quality in engineering and construction and audiophile performance. The C22, which originally sold for $330 in 1965, now sells for between $3,000 and $6,000, depending on condition. Even if you don’t own a C22, by following along, you can pick up pointers for your own vintage restoration project — especially when it comes to restoring improperly serviced gear.

...

Restoration of a Vintage Telefunken Jubilate 5161W AM/SW/FM Receiver

Every restoration — even repeat restorations of the same model — reveals something new about tubes and tube circuitry. In this restoration of the Jubilate, the focus is on reclaiming a circuit board covered with dirt, converting a selenium power supply to one based on silicon diodes, and the best ways to rejuvenate the cosmetics of your radio, including how to refinish a wooden cabinet.

...

Restoring a Vintage Zenith Table Top AM/FM Receiver from the ‘60s

Teardowns of vintage gear in which you carefully note component values, construction techniques, and create a schematic from scratch are a great introduction to vacuum tubes. The next level (and the focus of this article) is to restore tube-type devices, starting with a tabletop radio. Not only will you learn to work with the technology, but you’ll have something of value when you’re done.

...

Restoring the Heathkit ES-400 Computer

It took me eight months of part-time work to restore all 168 pounds of a Heathkit “H-1.” I would like to share a few of the trials and tribulations I went through to resurrect this beast.

...

Practical Ideas for Portable Magnetic Loop Antennas

Magnetic loop antennas are becoming popular today because they can be very efficient for their size, do not need radials (even though most designs are vertically polarized), have useful takeoff angles, and can be easily rotated to peak or null a signal. Here’s how I designed a convenient setup for myself.

...

Rock-ola Jukebox Amp With CD Players and iPhones

In mid 2012, I noticed an amplifier on eBay that was out of a 1952 Rock-ola 1436 jukebox, and just had to have it. It was essentially a dead carcass, so I decided to restore the amplifier and make it able to stand alone. I wanted to make the restored amplifier as authentic as possible to the 1952 version.

View More Articles