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Marshall JMP-1
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Marshall JMP-1

Guitar amplification from Marshall

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«  The sound "Marshall"! »

Published on 07/19/12 at 13:18
Tube preamp (2 12AX7s) 1U rack ... controllable via MIDI!

I will not repeat what was said above ... this is not the purpose of my review!

UTILIZATION

Configuration quite simple ... it was all inclusive in 5 minutes!
The manual is useful since it explains the settings of the factory presets, and how to reset it if necessary. Apart from that, the "normal" use is fairly intuitive!

The sound ... well this is THE Marshall. If you're part of critics, is dropped, otherwise, we try out of curiosity and it gets a good slap in the face!

SOUNDS

This amp is quite versatile!

Then the clean, first of all: this is not the Fender, of course, but personal, I find them really beautiful, as long as we try to make it look good! Indeed, the knobs are quite accurate and efficient! They go up to 13 so to speak, since the possible settings of Low, Middle, Treble and presence range from -6 to 6!
Regarding the volume and gain, levels adjustments, they range from 0 to 20!

Crunches (OD1) are really terrible ... ACDC and company are there!
It's a bit like the JMP1 ... these distorted sounds more or less legendary.

Then, passing in OD2, then using the "bass shift", which thickens the low frequencies, we reached the big distortion. Sure, it will not "hi gain" modern, but if we attack well, we arrive at satisfactory results for riffs ... LE gain is there, trust me!

Ultimately, there are 4 channels ... clean 1 and 2, OD1 and OD2!
on the other hand, as there are hundreds of presets available, you can adjust in many ways ... and therefore have many different EQ settings on an "even" channel somehow (I hope I ' I was clear!?)

Short! Nothing displeased me in there!

I plugged in several PowerAmp! In particular, the Marshall VS8008, the Rocktron Velocity120, and the only three lamps, the ENGL E840/50.
The best record is the ENGL, it's true. It adds body, palm mute, it sounds "little less" than the others! A bit like a 2x12 turned into a 4x12!
The Velocity, for the transo, has made a very good, probably thanks to the settings of "contour" which it is provided, and that does not have VS8008.
The VS8008, meanwhile, is rather "reserved" for home use ... it will be less "rough" at high volume. However, for less than 100 euros, it remains a PowerAmp for any situation!

OVERALL OPINION

I use it for 2 1/2 years.
It suits me perfectly.
I tried (and owned) several preamps in a rack ... (ENGL E530, Peavey Rockmaster, Rocktron Piranha ...). I have them all beloved, but the grain of Marshall JMP1 is unique!
The price performance ratio is really good!
Its price has changed much in Cygnus 2 to 3 years ... It has grown from 250 to 300, then returned to 250, etc. ... Maybe because of supply and demand!?
I would not have to redo this choice because I keep mine.

PS: there's a sale in my ad, but it is a second that I have in my possession for some time and which belonged to a friend ...