[Justin] had been trying to find a good tube amp for years, but all the best examples were either expensive or a complete basket case. Instead of buying a vintage stereo tube amp, he decided to build ...

If you are under a certain age, you might not know the initialism VTVM. It stands for vacuum tube voltmeter. At first glance, you might just think that was shorthand for “old voltmeter” but, in fact, ...

This file type includes high resolution graphics and schematics when applicable. Whenever I mention to folks that I used to work at Heathkit, a few people actually ask, “What’s Heathkit?” Yes, I ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. I was sad to learn in early May that the venerable company Heathkit had closed its doors. I'll ...

Whatever happened to Heathkit, the do-it-yourself electronics kits that used to be so popular at the dawn of the computer age? For decades, Heathkit was a household name among those who liked to play ...

I recently posted on some cool vintage Heathkit finds on eBay. Soon after, the below email arrived in my inbox. It’s from an engineer (and nice guy) in need of help locating someone who does Heathkit ...

Most hams and EEs of a certain age remember fondly their first Heathkit. Everybody had at least one Heathkit. For hams, their products made it possible to get on the air with a decent-performing radio ...

For those of you who do not know or remember, Heath Company was the largest kit company in the world. Heath designed and put practically every type of electronic product into kit form. Its products, ...

overall: 12 cm x 39 cm x 36 cm; 4 3/4 in x 15 3/8 in x 14 3/16 in ...

A MUSIC lover but no audio zealot, your correspondent has often wondered whether analogue recordings really are “warmer” than digital ones. In other words, do audio amplifiers and microphones with old ...