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5.0 / 5  (7 votes)
System : Win64 OSX
Format : VST AU
JAMP - free JTM45 head amp simulation plugin
JAMP is a Marshall JTM45 guitar head amp simulation.

The M-45 type head amp in a box! Fully emulated circuit with best modeled components. Unique two gain stage, High and Normal.

It’s Jazz to Metal, Blues to Indie! No matter which style you play, just put plugin to channel and rock!

No cabinet simulation. You are free to use with your favourite cabinet simulator or IRs.
  • High Channel – High freq. optimized gain stage and drive section.
  • Normal Channel – Full range optimized gain stage and drive section.
  • EQ Controls – Fully captured from original circuit. High band, Mid band & Low band.
  • Output – Clean output section to set volume.
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Emrah Benligil
(5/5)
Aug 12 2025
I began to use it on my tank g. 0.4 0.5 gains for both channels. nice edge of break up JTM. takes pedal well. combine it with less shrilling IR and you're good to go.
Nikita
(5/5)
Jul 24 2023
Плагин ΓΒΏΓΒΎΓΒ΄ΓΒΎΓΒΉΓΒ΄ΓΒ΅Γ‘β€š как для ΓΒ»Γ‘Ε½ΓΒ±ΓΒΈΓ‘β€šΓΒ΅ΓΒ»ΓΒ΅ΓΒΉ ΓΒΌΓΒ΅Γ‘β€šΓΒ°ΓΒ»ΓΒ°, Γ‘β€šΓΒ°ΓΒΊ и для Γ‘β€ ΓΒ΅ΓΒ½ΓΒΈΓ‘β€šΓΒ΅ΓΒ»ΓΒ΅ΓΒΉ нСбольшого пСрСгруза на ΓΒΈΓΒ½Γ‘ΒΓ‘β€šΓ‘β‚¬Γ‘Ζ’ΓΒΌΓΒ΅ΓΒ½Γ‘β€šΓΒ°Γ‘β€¦. Γβ€”ΓΒ²Γ‘Ζ’Γ‘β€‘ΓΒΈΓ‘β€š ΓΒΏΓΒΎΓ‘β€šΓ‘β‚¬Γ‘ΒΓ‘ΒΓΒ°Γ‘Ε½Γ‘β€°ΓΒ΅!
H.Zankl
(5/5)
Jul 22 2022
As long as you do not own a top notch commercial Plexi amp plugin (a lot of them nevertheless sound worse and less authentically than this one), this one is in my opinion the very best one to get these legendary tones.
Dropmel
(5/5)
May 27 2021
Oh man, this thing sounds so sweet!
Mark Lee Wilkins
(5/5)
May 18 2021
This thing kicks. I never fully trust, much as I enjoy the irony of driving these into the fronts of amps, these amp in a box deals but this one is quite impressive
90's Action Hero
(5/5)
Feb 28 2021
You need this in your arsenal of amp sims and plugins. I love pedal sims and this one doesn't disappoint. It's great on CPU and love using it with other low CPU amp sims. It sounds as mean as it looks.
Faydit
(5/5)
Mar 28 2020
Looks like a simple, compact pedal, sonically this is for me one of the most convincing, most naturally and musically sounding JTM45 / Plexi amp simulations, I know. Mostly free of the usually much too sharp, too shrill sounding trebles, which most British amps simulations produce. Works already well as it is, but also sounds good with IR's.