These medium sized combos from Marshall should be very cool. They are packed with features (like multiple voicings, low noise pre-amp, fab speaker) all in a small box. Unfortunately they are not so cool because they run so hot and they suffer from it. Look at the picture left. What you are looking at is … Read more
Thought I would share a couple of photos of Marshall JMP amps that I have worked on recently. First we have a 74 and then a resissue. They sound good as gold and the re-issue has a much better turret board design to boot.
Amp repairs seem to go in waves. The latest one being a string of TSL with what I call TSLitis. This increasingly common condition causes these amps to overheat and do serious damage the amp. The problem is that the amps circuit board material is not doing its job of insulating the connections properly and … Read more
It seems to me that Marshall really got it right here – the right mix of hard wiring and PCB. The Valve sockets are all carefully hard wired to the circuit boards and the. Layout is very neat and as a valve bass amplifier I think this takes some beating really warm bubbly typical valve … Read more
Lovely combo as used by Noel Gallagher, Paul Weller and many others. It’s a simple formula 2 x 12″ speakers, 50 watts from a pair of EL34 and, my favourite point, as few controls as possible. Construction of the cabinet is unusual in that seems very thin. I don’t mean the wood rather the front … Read more