Amp repair

  • Spot the mistake!

    This a photo of the filter caps from a Blackface Fender Twin Reverb that was recently brought in for repair. Note the early ’64 date code on the reverb transformer. The main filter caps have been replaced with Sprague Atoms. Can anyone see the error the previous repairer had made?

  • Cool Matamp GT120 for service

    I will be using our blog to show any cool and interesting valve amps we have in for repair service. This very early, rare Matamp GT-120 was brought in recently. It  had expired in the late 70s and hadn’t been turned on since! Opening the chassis revealed the likely problem; the white powdery coating on…