Marshall® JMP 2203
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The Marshall that redefined the
sound of rock — again.
Introduced in 1975, the Marshall JMP 2203 amplifier ushered in a new era of Marshall rock dominance. The JMP 2203 — which became the JCM800 in 1981 — offered varying degrees of intense, modern-sounding crunch and bold clean tones. Over the ensuing decades, the 2203 became a go-to for artists ranging from Jeff Beck and Andy Summers, to Tom Morello, Judas Priest, Slayer, and the Pixies’ Joey Santiago.
Developed by Softube — and available exclusively for UAD-2 hardware and Apollo audio interfaces — the Marshall JMP 2203 plug-in is a thorough emulation of this pioneering amp, down to its four EL34 power tubes and its sensitive, musical high-gain preamp. It also offers powerful multi-mic sounds for a range of professional studio tones.Now You Can:
Use your Apollo with Unison™ technology to track through the only authentic Marshall JMP 2203 emulation — with no latency
Re-amp previously recorded tracks with any UAD-2 hardware
Dial-in perfect studio amp tones with two different mic channels and five different mic types
Fine-tune your guitar tones with 50 presets by legendary AC/DC engineer Tony Platt
Take A Listen
UAD Tones & Techniques
Featuring the Marshall JMP 2203
Capturing the Ultimate JMP 2203
To model the JMP 2203, Marshall loaned Softube’s engineers an original, all stock, 1977 JMP 2203 head from its own museum. Pairing it with a Marshall 1960B 4x12 equipped with Celestion GT12-75 speakers, Softube thoroughly emulated the original amp, right down to its touch-sensitive preamp section and crunchy 3-D clang.
Versatile Marshall Tones and More
The Marshall JMP 2203 plug-in expertly models one of the most sonically distinct Marshalls ever made. Its simple layout, High and Low sensitivity inputs, and dynamic preamp offers a ton of textures, from dense distortion to powerful, attitude-laden clean/crunch sounds.
Voiced by a Legend
Producer/engineer Tony Platt has recorded some of the most classic Marshall tones ever committed to tape — most notably AC/DC’s landmark albums, Highway to Hell and Back in Black. Softube enlisted Platt to capture exquisite cabinet and microphone placements using his Platinum-approved, tried-and-true mic recipes. You can choose from 50 Platt-designed presets, or craft your own tones.
Mix Between Two Expertly Placed Microphones
Open up the plug-in’s Channel Strip section, and easily dial-in your sounds with a two channel mixer with five essential microphone options per channel. Along with individual Pan and Volume controls for each channel, you can tweak your tones further with global Input Gate, and three-band EQ with sweepable mids.
Unison™ Technology for Authentic JMP 2203 Tones
The interaction of your guitar’s pickups to an amp’s front end is crucial to capturing the tone and feel of the amplifier. With UA’s Unison technology, Apollo user's guitar pickups will see the exact impedance load as if they’re plugged into a vintage Marshall 2203 amplifier — a feature found only on Apollo audio interfaces.
“A game changer for rock guitar, the 2203 is simple and direct. Always solid, punchy and crunchy...letting the notes sing clear and loud. This plug-in recreates that unique and individual response the 2203 has—and it misbehaves just like the real thing!”
– Tony Platt (AC/DC, Iron Maiden, Bob Marley)
Customer Reviews
A. Kuehne
September 6, 2016
Liefert genau das was ich wollte
Wow... bin begeistert. Apollo twin und UAD Marshall 2203! Ohne lange zu probieren bekomme ich den Ton, den ich von einem guten plug-in erwarte! Thanks softube und UAD!!
Read MoreU. Borjesson
February 17, 2016
Another amp in the studio.
As all the other Marshalls you want this one. If you use (of course you do:-)) an Apollo interface with the Hi/Z input and this amp in the Unison slot you can be stucked for hours just...
Read MoreS. Woolgar
February 10, 2016
Mostly happy
I am still learning to dial it in, and I don't actually know whether it sounds just like the original or not. I am happy with the sound it puts out, although I still need to learn how to...
Read More.
February 2, 2016
Insanely good 2203 - the spirit of Marshall
Hi there, stumbled on the new Marshall 2203 plugin, and since I already have the other Marshall plugins it was an easy decision to buy it. So, downloaded and plugged in my '79 Custom...
Read MoreK. Lima
January 18, 2019
Congratulations!!!!
Amazing amp sim...i've bought all marshalls, every amp has a unique tone, loving it.
Read More张. 张
January 7, 2019
Marshall JMP 2203
It's very convenient to use. There are indeed some Marshall JMP 2203 timbres. Sound quality is different from the real one. Maybe it's impossible to simulate reality.
Read More -
Key Features
Faithful emulation of Marshall's own reference JMP 2203 amp, built in 1977
Custom presets, microphone selections, and placements by Tony Platt, captured in Strongroom Studios, London
Two channel mic mixer with five essential microphone options per channel
Channel strip includes pan and volume faders for each mic, input gate, and three band EQ with sweepable Mid
Physical input impedance and hands-on control of Gain staging with Unison technology
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Customer Reviews
Marshall JMP 2203
A. Kuehne
Liefert genau das was ich wollte
Wow... bin begeistert. Apollo twin und UAD Marshall 2203! Ohne lange zu probieren bekomme ich den Ton, den ich von einem guten plug-in erwarte! Thanks softube und UAD!!
U. Borjesson
Another amp in the studio.
As all the other Marshalls you want this one. If you use (of course you do:-)) an Apollo interface with the Hi/Z input and this amp in the Unison slot you can be stucked for hours just playing because of it is like playing the real thing.
I always , record with wet sound into DAW as in areal studio with a real hardware amp, you set the sound that suits the track and plays, this happens with the Unison Marshalls you becomes a musician, which is way we all starts in the beginning.
Buy this plug and an Apollo interface.
S. Woolgar
Mostly happy
I am still learning to dial it in, and I don't actually know whether it sounds just like the original or not. I am happy with the sound it puts out, although I still need to learn how to dial it in.
That being said, it takes a HUGE amount of the DSP. I pretty much can't use it on my Twin unless I am happy having nothing else in the chain. If I want to use this, I need to use it on my QUAD.D. Bires
Sorry but not sold on this one UA!
Downloaded the demo. To me the silver Jubilee was is a smash hit but the jmp 2203 left me scratching my head. First off some of the stock adjustment sounds were either to flat and bassy or way to brittle and high endy and some of these tones left my ears ringing at low volumes. Not sure why. On the other hand I did manage to dial in so alright tones by messing with the mics and knob settings. The filter cut is pretty cool and you will need it especially if you decide to use some of the stock tones. If guitars sounded this bad in the 80's I am lost for words. Well hopefully UA will model a mesa of some sort in the future. I really dont think they will be able to top the Jubilee. I was generous with 3 stars.
UAD User
Insanely good 2203 - the spirit of Marshall
Hi there,
stumbled on the new Marshall 2203 plugin, and since I already have the other Marshall plugins it was an easy decision to buy it.
So, downloaded and plugged in my '79 Custom and lo and behold - its a really insane plugin which nails the 2203 sound and also is a great tool for experimenting with settings (incl all 10's) and mic combinations. I own an original 2203 from 1978 which I bought new in London and have played ever since, in my case through a late 70's 1960A with Celestion G12-65's, and copying my settings gives me a very accurate tone and response from the plugin. In my experience the G12-65 is a bit more "open" than the G12-75, which is also emulated accurately.
After only 30 minutes I am absolutely sold on this one!M. Niemczyk
Great Sound - Missing bypass pre amp feature!
A nice sounding simulation BUT - where is the bypass pre amp feature from the ENGL amps?
This simulation is really a great one but real tube pre amps has still a greater dynamic range. Thats why the best results can be only achieved with the combination of real preamp and power amp, cabinet microphones simulation (at least in a neighbor friendly environment).
Its so sorry that SoftTube didn't provide one additional switch to turn of the preamp section ;(K. Lima
Congratulations!!!!
Amazing amp sim...i've bought all marshalls, every amp has a unique tone, loving it.
张. 张
Marshall JMP 2203
It's very convenient to use. There are indeed some Marshall JMP 2203 timbres. Sound quality is different from the real one. Maybe it's impossible to simulate reality.
C. Evans
spot on
as real as it gets
F. Naerland
Finally i can feel my nuts shake
I have used most amp plugins out there last 15 years. This is the closest i have ever come to my real Marshall amp. Kudos to you Softube!!!
M. Ziach
C'est du Marshall quoi!
Très bonne émulation du fameux 2203, par contre je préfère utiliser l'orignal car je peux placer mes micros comme je le souhaite.
Mais cette version est vraiment fidèle à l'original.V. Morganti
Great amp
I initially bought the Plexi and was very happy, so then completed the Marshall bundle following the evolution of guitar rock sound. Great amps, all of them!
T. Tsubaki
Marshall® JMP 2203
AC/DC のあの音が出てきます（笑）
M. Reeves
Great Amp with a wonderful grown
Love this plug-in. I fire it up and play it for ten minutes and then realise I'v been playing for over a hour. Great !
B. Wansbrough
Killer amp emulation
The Marshall JMP 2203 plugin from UA is sweet. I waited for a sale and grabbed it. I can’t say I’m an experienced user of the original 2203, however when I use the plugin it sounds awesome. It’s too easy to get a nice sound. I like putting the Tube Screamer plugin on the channel but not on... it seems to make a slight difference to the benefit to my ears. Solid amp plugin.
R. Trevor
Long time Marshall user
I've been playing Marshall amps for 30+ years and this Amp sim combined with Ocean Ways on my Aux gets me the tone I'm used too. When you need the extra gain, the JMP 2203 delivers.
F. Biagetti
Nice amp !
I got this one for free registering my apollo Twin.
I'm more of a Vox guy but I find it easy to dial nice crunchy tones with this amp sim, you can also get quite a nice clean tone though it's not as "chimey" as the vox sound I'm used to. It reacts really well to pedals (tube screamer,rat, delay).
Overall I use it to record demos without having to setup my amp and sometimes to add overdubs with a different flavour. I sense it's a good plugin, it's just not the sound I'm looking for most of the times. I would love a VOX AC30 or 15 modeling by UAD §
I never used the original so I can't compare, but it does sound good in the mix and doesn't scream "amp simulation"
S. Soares Baptista
Rockin' goodness
Rock n' roll sound in all of its glory. As many have already mentioned, you can get lost for hours while playing through it. Sounds almost like the real thing.
UAD User
Realistic amp sound!!
I've used a lot of amp simulators, but the plug-in really felt like it was actually playing. It showed complete responsiveness from clean tones to drive tones, similar to the real thing and no longer had to struggle with mic in the studio. Make sure to buy other users home recording
A. Zuppelli
My favorite Marshall amp, but please let Unison active at amp stanby!
I have bought this Amp after demoing it for all the 14 days, and I must say that I love this Marshall, this is my favorite one. Very edgy , brilliant and responsive. When I put the amp gain "at the sweet spot", guitar volume pot variation reacts the same like using a real amp. Incredible job done.
Not giving 5 stars (like the Marshall Legend bundle that I bought too), only because I hope you add Full Unison support like the Fender amp behaviour: Unison should stay on at amp bypass like on the Fender, instead of switching off .
If we put one instance bypassed in Unison slot and track the amp in stereo through the Aux channel, this could let the Unison technology pass thru and, at the same time, we could also benefit of the sweet stereo mics placement.
