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…
I’ve recently purchased a copy of Merlin Blencowe’s book “Designing Tube Preamps for Guitar and Bass”. This is the best books I’ve read on guitar amp pre-amps, which will come as no surprise to anyone who has visited Merlin’s excellent website. Although the approach is quite academic, even if you aren’t into the maths (sad…
OK, with our new blog facility (!?) we aim to keep the cyberworld up to date with JPF Amplification activities. Once we’ve worked out how to add picture to this we will also bring you details of any interesting amps we have through the shop. Keep it country!