Item # 481119 | Customer Ratings: ( 5 Based on 1 reviews)

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Tech 21 SansAmp RPM Rackmount Preamp
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Instrument preamp with parametric EQ.

The SansAmp RPM is a versatile instrument preamp with parametric equalization and SansAmp technology. This single space rackmount model was adapted from the SansAmp Acoustic DI pedal, with the addition of a Drive control, and redesigned as an expanded multi-instrument tool. With a sweepable, semi-parametric EQ and variable gain, the SansAmp RPM is a supercharged tone shaper for any signal source. Partner it with a SansAmp RBI for the ultimate bass pre-amp system, or with a SansAmp PSA for total domination.

Drive adjusts the overall amount of gain and overdrive. Active Bass and Treble controls cut or boost ±12dB Mid Shift is a parametric EQ control that allows you to select the center frequency of the Mid control. Its sweep ranges from 170 Hz to 3.0 kHz. This, then, enables you to notch out any specific frequencies that may be causing your instrument to feed back. Mid is also an active tone control, cut or boost ±12dB. Blend allows you to mix the direct instrument signal with SansAmp Tube Amplifier Emulation circuitry. Individual Level control for the XLR out to optimize your amp's output relative to the P.A. system. Effects Loop with Mix 50/50 switch to configure in series or parallel. 1/4" rear input and XLR output with selectable levels. Buffered uneffected XLR output to run a dry signal to a separate channel. Footswitch input to engage unit. Footswitch output to chain and toggle between another SansAmp RPM or SansAmp RBI.

Tech 21 SansAmp RPM Rackmount Preamp Specifications:

  • Dimensions: 19"w x 1.5"h x 5.25"d (6.25"d overall)
    Weight: 5 lbs.

Tech 21 SansAmp RPM Rackmount Preamp

One year parts and labor warranty.

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Product Reviews
(Based on 1 reviews)
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  • Tech 21 SansAmp RPM

    As reviewed by Michael S. Jackson on 6/10/2010

    I've needed a pre-amp for several years for my acoustics (classical and steel string) and for microphone inputs. I've done a great deal of research and upon seeing a "New Products" for the Tech 21 in Acoustic Guitar, I decided to bite the bullet. Great little pre-amp! Extremely easy to use; mounts in rack; instructions are clear. The best feature to me is that the controls add and subtract as opposed to other pre-amps where the output is full on and the controls merely subtract. This means you have a whole lot more range on each control - this is a very dynamic and useful pre-amp. I'm particularly impressed with the way my classical guitars sound through it. I play them into the SansAmp which is plugged into my PA and the tone is clear as a bell whether I'm using my electrics Ramirez or my Kenny Hill Hauser without electrics run through a Shure SM57. No overtones. No muddiness. Just clear, honest projection that is merely louder than the unamplified guitar. You can also plug into the pre-amp and use a microphone at the same time as the pre-amp has two inputs. This thing does so much more than merely adjust tone! You can spend a LOT on a pre-amp, many times more than the cost of the SansAmp RPM, but you'll never get a better deal than this. Highly recommend.

    6 of 6 people found this review helpful.
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PO Box 4769
Westlake Village, CA 91359
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