15:27

Je l'ai restauré il y a 8 ans... maintenant il est cassé ?

39:59

I Fixed A Legendary Vintage Audio Amplifier - NAD 3020

29:25

Akai AM-U210 Amplifier - Bench Repair

52:27

Sony TA-F550ES 1990s Hifi Amplifier Repair

54:04

Restoring Power Amplifier from 80's Akai AM-U2 & rebuilding OpAmp Toshiba TA7136