Judybox Revival

Ever since I built the Jack Price Tube Matcher I've been thinking a precision adjustable feature might be very handy to have when calibr...

A couple of weeks ago I had gotten an Ampeg jones and started trolling Craigslist for likely suspects. I found an ad that had just been post...

A friend of mine dropped off an early fifties Fender 5C1 Champ for an overhaul and it sounded so good I decided to make my own. Looking arou...

Brownie traveled with me to New Jersey last week and impressed the locals with his verve and can-do attitude.

After a few fits and starts and trips along a few blind alleys I managed to get the capacitor checker project up and running, and it's a...

One of the problems with any kind test equipment is doing some real world calibration and I tried a number of different ways of doing this w...

Since my last episode with capacitor leakage it seemed necessary to cook up another piece of guitar amp specific test gear to complement the...