Category Archives: Amp repair

Peavey Classic 30 Guitar Amplifier Repair

By Frank | Published: May 30, 2013

Here are some photos from the inside of a Peavey Classic 30 that I recently repaired. The amp was brought in making a ton of crackling noises and was cutting out intermittently. It had been looked at previously by someone who had concluded that the PCB had absorbed moisture (not possible), and had tried to […]

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More safety earthing issues. VOX AC30 and Yamaha PA

By Frank | Published: April 10, 2013

A couple of safety earthing issues I’ve seen over the last few weeks. Here’s the safety earth from a recent repair on a JMI era VOX AC30. Suffice to say, if you were going to solder the safety earth to something, then the chassis might have been a better bet…… OK, that was a vintage […]

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Brighton Guitar Workshop website now active

By Frank | Published: March 21, 2013

I’ve posted previously that a friend of mine, Nathan, is building and repairing guitars in Brighton. Nathan’s now got his web-site, Brighton Guitar Workshop,  up and running so you can check out his work.    

Also posted in Bass Amps, Effects pedal, Effects repair, Guitar Amps, Guitar repair, JPF Amps, Vintage guitars | Comments closed

Portable Appliance Testing (PAT) Zealotry

By Frank | Published: February 26, 2013

This pedal was brought in for repair, and I noticed that some jobsworth had stuck a PAT sticker to the outside. Portable Appliance Testing (PAT) is carried out on electrical portable appliances to verify that they are safe to use. However class III devices that are powered by an external power supply less than 50VDC […]

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JPF Amps now doing guitar amp and effects repairs in Brighton

By Frank | Published: October 6, 2012

If you’ve been following our blog, you may have noticed that I have advertized that a good friend of mine, and excellent guitar repairer and builder, Nathan, has got his workshop up and running in Brighton. Nathan has been getting requests from his customers for amplifier repairs, so has asked me if I would be […]

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Super Rare Wem Deep Blue Amplifier

By Frank | Published: September 20, 2012

It’s not often you see one of these. No-one I know had one seen before. It is of course the Wem Deep Blue. Looks fairly conventional from the front.   But what’s that in the back. A Copicat tape echo!   We’ve only found one other picture of a Wem Deep Blue in the internet […]

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How to wire mains earth to a US amp with 2 prong cord. NOT!

By Frank | Published: May 3, 2012

When you think you’ve seen every conceivable bodge job on the planet, something comes in that beggars belief. Here are some snaps from an amp I’ve just worked on. The amp is US voltage Ampeg Gemini. Someone had installed a step down transformer into the bottom of the cabinet to allow operation from UK mains. […]

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Guitar & Amp Repairs In Brighton

By Frank | Published: March 23, 2012

For anyone living in the Brighton environs looking for a top notch guitar repairer and builder, a good friend of mine and exellcent guitar tech Nathan has now finally got his workshop up and running. I’m also now doing guitar amp repairs at Nathan’s workshop. Nathan can be contacted on 07578 916284 ‎. His work shop is […]

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JPF Amps engraver for amp panels and logos

By Frank | Published: October 6, 2010

Due to increasing demand for custom amp panels and logos etc, JPF Amps have recently acquired a computer-controlled flat bed rotary engraver. This now means we can design and engrave anything we need in house, which not only saves us money, but also gives us a much greater degree of flexibility. It is our intention […]

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Spot the mistake!

By Frank | Published: April 8, 2010

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?

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