This came in because the owner said one of the input jack sockets has fallen inside the unit, and one channel not working as expected, so wanted that fixed and a general service. The plastic retaining screw was missing/broken and led to the connector being unsecured: Noticed a non-original pot fitted too, and a couple […]
Roland Jazz Chorus-120 repair and service Read More »
Customer didn’t find the output particularly pleasing and wanted a better speaker fitting, but not to go overboard… Old speaker out: New budget 6.5″ Eurotec 30W speaker arrived: Much beefier (probably too good for it!): Installed into cabinet and tested, customer happy.
Speaker upgrade for small practice amp cabinet Read More »
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:
Mini Mofo 15 watt valve amp head Read More »
Missing knob, reverb not functioning, loud pop on shutdown, volume pots very sensitive (almost full volume by quarter point). Genuine Fender replacement pots with audio taper ordered from US to replace existing linear (not sure why they were linear): and fitted: Added an arc suppression cap across switch load contacts to reduce power off pop
Fender Princeton 112 Plus repairs Read More »
This THD Univalve came in with a dead HV fuse, was replaced, serviced and tested all ok with the exception that the bias is way too hot for the installed 6L6GC valve. Measuring >110mA and red-plating on Hi-V setting. On Lo-V it was ok of course, but really needed a rebias for using on our
THD Univalve stopped working Read More »
