I’ve recently been restoring vintage Hi-Fi equipment, focusing on Technics preamps, integrated amplifiers and power amps. My first project in this series is a Technics SU-8080 integrated amplifier which arrived in decent cosmetic condition (and with printed schematics!), but was covered in dust like I’ve never seen before and suffered from frequent channel dropouts, rendering it unusable. ❗ Caution The elevated voltages inside this amplifier can cause damage, severe injury and death. If you are not authorized or qualified to work on such equipment, do not do it. If you follow along, you do so at your own risk. ...
