Marshall amp serial dating
With more power tubes, the amp had more headroom, a tighter bass response and more definition.
It was the first Marshall with a solid state rectifier.
So, always keep your eyes open for “fishy” deals, look for information, and always ask for high definition photos (especially from the interior of the amps – the circuit, the tubes and transformers) to make sure everything is right.
If you don’t have much experience (myself included, to be honest : P), I recommend asking help from the members here of the community.
JTM-50 I’m not sure what recordings this amp was responsible for.
But Fil’s Metro is a reproduction of this very same amp, so you might be familiar with it by now.
This amp is basically the 50w version of the Super Lead, so the sound is really similar to it’s “big brother”.
While all those changes happened, new models started being developed to expand Marshall’s catalog.
You can end up buying something that is not what you expected or even something that is damaged or modded beyond repair.
This is a photo of a JTM-45/100, but it’s the same headbox used for the early Super Leads Back of a Marshall Super Lead I think you are all familiar with this amp. If you want to hear this amp, listen to any Free live performance.
Paul Kossoff was the man who really knew how to use these.
The JTM-45/ 100 (JTM-100) The JTM-45/100 with the “block” logo Pete Townshend and John Entwistle of The Who needed amps that could overpower the noisy and energetic crowds.
Marshall then “hot-rodded” the JTM-45 using four KT66 and two 50w output transformers to handle the extra wattage. The result was the JTM-45/100 (JTM-100, for short).