March 2022

Mini Mofo 15 watt valve amp head

What quite shocking PCB build quality! This small amp came in dead, and whilst looks ok from the outside, the inside leaves a lot to be desired… Everything is… sort of… just all over the place: The soldering is some of, if not the worst I’ve ever seen… Even one transistor leg wasn’t even soldered: […]

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Quad 34 one channel not working

Turns out to be plastic failure in the RV4 balance fader. An ALPS part no longer made so repaired it instead… A juggling act to remove as it is levered remotely from front panel: Can see the break in the lower side and the contacts are no longer pressing against the track Nothing a good

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