Questions & Answers for: Marshall lm 1

...GAIN 1 ..GAIN 2..TREBLE ETC. THIS MAY SOLVE THE PROBLEM. IF NOT,,,, YOU MAY HAVE A BROKEN POTENTIOMETER. OR ... A BLOWN TRANSISTOR... LM 1875 IT IS THE ONE MOUNTED TO THE HEAT SINK. ...

Blows main fuse. Found burnt place on circuit board where connection 1 is. It's the board that's mounted to the heat sink with fan at the back. Disconnected connector 3 that goes to con 1. Now fuse ...

How to connect the speaker cabinet to the head? Use a SPEAKER RATED cable which will have good quality 1/4 inch jacks. Go from a speaker out on the head to one of the jacks provided on the speaker ...

I was playing through my Jvm410 it was sounding great then the volume got quieter then no sound all lights work whats the problem power tubes maybe? Yes, you MAY have destroyed the output tubes... ...

My marshal jvm410 head seems to lose its tone and volume sometimes completely. It does it occasionally and often when it does there is a lot of other noise. One time it went up and down in volume and ...

Bought amp 1 year ago, three months ago, no sound, Guitar Center said call an authorized repair shop. I did'n't open it up to check fuse because i didn't want to void the warranty. The shop replaced ...

Can I connect my Marshall JMD:1 Pre-amp out put to my Marshall 100 watt MG instrument input? yes

wiring diagram marshall mg100fdx footswitch Using a standard 1/4 inch stereo plug....Ground (sleeve) to tip for one switch and ground to ring for the other.

not very loud Try inserting a patch cable(or any 1/4" to 1/4" cord) into the effects loop jacks on the rear of the amp. If that helps you have a dirty or bad jack. A little WD-40 works wonders on ...

Can I Plug My Computer into my Marshall MX112 cabinet amp? I'm getting into digital guitar effects, so I've already ordered a audio interface and I think I know what I'm supposed to do except one ...