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Build your dream amp exactly the way YOU want it!
Get the real sound of your favorite amps, not wimpy simulations. The Randall RM4 preamp rackmount chassis holds up to 4 preamps from 11 different modules and then connects to any power amp to build your dream gig rig. The chassis provides a tube-buffered effects loop and parallel effects loop with front-panel mix control. It also includes a series effects loop, front- and rear-panel inputs, pre/post loop outputs, ground lift, MIDI in/thru, and master volume. Though any power amp can be used, the Randall RT2/50 is perfect, offering switchable sets of EL34s and 6L6s for enhanced realism.
Choose from the following modules (sold separately) to build your own custom combination of tones:
Dual Treadplate Style Module
Top Boost Module
It's the ultimate rig for the amp collector, studio, or touring pro. Order today.
Reviewed by 8 customers
Displaying reviews 1-8
I hear what some of you are saying about price, but think of what you're getting...to collect all these boutique tube amps would cost way more...plus you have the virtually failsafe switching of MIDI! This is an incredible piece of gear, especially for a worship leader like me where stage volume is a constant worry. I can run direct without sacrificing a bit of tone! GREAT JOB!!!
I have owned this unit since it first went on the market, and I have yet to be disappointed. I have used it in the studio to get the warmest and cleanest sounds for electric guitar in my recordings. I have it in it's own 2 space rack for gigs and I never play electric without it. I run it straight to my mixer; no feedbacky mics with amps to get the good sound. I get compliments at every show about my guitar sound..where are your amps? If there are intense AC power spikes, the module changer switch may connect to all at once, but easily fixed by using a power conditioner like every multi-amp rack should for equipment protection. If you play any style, even metal, this is the pre-amp for you. If you can afford it, buy it.
And I stress VERY. My main worry when I first got this was that many preamps that try to do things like this end up sounding cheesy. Not the RM4, it delivers real tone. I think the RM4 does an outstanding job at capturing the essence of each amp it emulates. Not exact, since a lot depends on the speaker and amp configuration of the original (ie, combo, 2x12, 4x12, etc), but it comes super close. I was blown away when I heard the Black Face module -- it actually does sound like my old black face Princeton Reverb, and the Deluxe module actually sounds like my old silver face Deluxe Reverb. I have a lot of nice amps, but I will seriously be selling most of them in favor of the RM4. I also have the RT2/50 power amp, a great match. I have been playing guitar for 24 years, and have been a gear junkie for a good 12+ years now. I don't give out 10's easily, but the RM4 really hits the mark.
I'm not sure what they're doing with this thing. If they'd just sell the chasis for a reasonable price, they'd sell tons and tons of them (and the modules). And I'd like a two space version that I could just have the class-A and whichever dirty module. The price is ridiculous.
I use this preamp along with another preamp-effects processor(ART-SGX 2000 Express)and run it out through the clean channel on my Randall Rh200SC-G2. I decided to go with this unit rather than the Randall RM100 head just for the simple fact that I have so many high gain presets in my ART-SGX and I couldn't run them through the dirty channel of that head (over saturation). I found that using two preamps together works a lot better because they talk to one another, plus you can add add a lot more gain and modify your sound without clipping. I'm using the Ultra and Recto modules for this unit and it sounds incredible!! These modules coupled with my ART presets have the highest, tighest, evilest sounding distorion I've ever heard. Silky-smooth distortion with a lot of punch. When you first see this unit, you might not think that you're getting too much for your money, but you'll change your mind when you hear it combined with your effects processor and/or preamp. I give tech support from Randall a 10 because the one guy that I spoke with did everything except come to my house and set this thing up for me. We tried to figure out how to run 2 preamps at the same time (I finally figured it out and it is possible). I wish this unit had more features, like a tube contour button and a built in EQ, but all in all, it's well worth the money.
Just purchased the RM4 with the RT2/50 power amp. Very well-built, versatile, and has EXCELLENT tone. The MIDI-switching and interface with a rack effects unit is phenomenal. I highly recommend this unit.
It's amazing!! Each module sounds distinctly different, provide a huge range of tones. The knock off tones, are nearly dead on!
Granted fully loaded it is a 1,500 dollar Preamp, but the sounds are great. Very good tube tone and very good high gain when wanted. Get basically any sound you want depending on modules you choose.