What I am working on . .
Morgan Amps aim to be high end boutique amps born out of a desire for touch sensitive and responsive amps, more that on their website. A couple of faults I have come across are: cathode cap exploding and the power scaling transistor blowing and some bad solder joints on the heater wiring. Not sure if … Read more
A remake of a Vox AC30. Not much info out there on these other than what is available here. Made in limited numbers, clearly by hand here are some nice pictures and observations Big spacious chassis with power valves oddly crammed together. Lots of signs of being made bespoke with cheesy angle brackets holding the … Read more
Surely the most popular amp in the UK. Recently asked to work on a cream board era FBJ and found that the PCB was heat damaged to the point of being like a brittle biscuit. Either scrap it, new PCB or bit of work to replace with hard wired valve bases. I like a challenge … Read more
Quite a rarity these days these German amps from the 60s do occasionally come up on the second hand market and are worth looking at for a couple of reasons. First of all they look fab and are well made. Most faults are routine servicing issues like damaged or worn pots and jacks so nothing … Read more
Regularly I seem to have to revive these kind of power supplies from studios. Common problem is heat damage, not surprising when you conider how many hours service these have to provide. Replacement modules are something like £450 so repair is worthwhile especially as the repair will upgrade them as per Chandler themselves recommend to … 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
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
