I generally do not repair these amps as I was unable to obtain any technical information. This was certainly true for the briefcases of years gone by; maybe that situation has changed as I recently had some success with a BP-800. BP-800 Amplifier One of the problems I have come across with these is a … Read more
I keep running into fans of Quad amps. Mainly from recording studios who seem to like to use them as a mixdown audition amp. As these amps age there is a fair bit of routine maintenance to consider, things like. Some of the old control parts, e.g. balance control, are very hard to locate so … Read more
Recently had great success getting a fix with a TH500 Amp repair where both the amp stage and the PSU had faults although no circuit info was available it was possible to get a repair. These popular amps consist of an ICEPower combined class-D amp and power supply module. The power supply powers the Aguilar … Read more
Seeing more of these amp modules lately appearing in many models of amplifier. Sometimes I have found success repairing and others no luck and had to replace them. The modules are expensive but are essentially reliable provided that ventilation. If you are interested in getting one of these fixed but are not located near Bristol, … Read more
Recently had some fun repairing this limiting amplifier. No maintenance in thirty years and then it stops working. Problem just routine maintenance I am now offering remote repair service on these. Post in and have it checked out and sent back to you.
Golden Age Pre 73 problems Came across this little box of wonder this week. Basic power supply problem. Small enough to be sent in the post so happy to take remote repairs on this one.
These Mackies beloved by users all over the world can suffer from a strange and rather annoying problem of volume reduction after a few years use. I don’t mean volume fluctuation; I am talking about a permanent reduction in output level – up to 80-90% in some cases. That is a hassle that we well … Read more
These small mixers are very popular but seem to suffer from a weakness in the power supply. With all lights going out when there is a power interruption or run from a generator. I have not found all the circumstances but most clients report something fishy with the power on site just prior to the … Read more