Giuseppe Urso Blog

In the '80s a hospital in Den Helder was renovated and one of the guys found, removed and took home this amplifier that I bought after almost 40 years. A beautiful vintage tube amp restoration project.

Found these speakers for a handful of euros. The plan was to cannibalise the tweeters for my DM5s, but the DM22 uses TW26 while the DM5 uses TW20. Time for a full restoration instead.

Some pictures and notes on the AKAI GX-260D. It seemed to work at first, but recording and erasing functions were dead. Turns out it was just dirty switch contacts.

I found these two videos really awesome in explaining how a tube operational amplifier works. If you're into vintage audio electronics, you should watch them.

My pair of DM5s had a dead tweeter. Here's the story of sourcing a replacement, rebuilding the crossover, and getting these classic British speakers singing again.

Old electrolytic capacitors need to be reformed before you can safely power up a vintage amplifier that's been sitting for decades. Here's how I do it safely with a variac.

The Revox A77 is one of the most iconic reel-to-reel tape recorders ever made. I found one at a flea market and it needs some love. Here's what I'm doing to bring it back to spec.

A complete guide to setting up a vintage turntable: balancing the tonearm, setting tracking force, anti-skate, and cartridge alignment. Get the best sound from your records.

After years of restoring vintage gear, I decided to build my own guitar amp from a blank chassis. Single-ended EL84, cathode biased, point-to-point wiring. Here's the build log.

Building a speaker box is more science than art. Here are the basics of ported vs sealed enclosures, how to calculate box volume, and what you need to know before you start.