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Alesis MultiMix 12R Rack Mixer  

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The rackmountable Alesis MultiMix 12R Rack Mixer offers ultrahigh-quality mic preamps, balanced XLR inputs, phantom power, and 60mm faders on each of 8 primary channels. Features 2 bands of shelving E... Click To Read More About This Product

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The rackmountable Alesis MultiMix 12R Rack Mixer offers ultrahigh-quality mic preamps, balanced XLR inputs, phantom power, and 60mm faders on each of 8 primary channels. Features 2 bands of shelving EQ at 12kHz and 80Hz for tonal adjustment, 2 aux send controls (one pre-fader and one post-fader) for use as monitor returns or flexible routing schemes, and individual insert points on each channel that allow you to record 8 tracks while simultaneously outputting a stereo mix to a PA system. It also has tape I/O on phono plug connectors. Valuable as a tool for home/project studio recording and instrument line mixing or remote broadcast applications.

  • Ultra-affordable 12-channel mixer in a 3U rack
  • 8 high-gain mic/line (XLR and 1/4" balanced) inputs with phantom power, 2 stereo balanced 1/4" line inputs
  • 2 aux sends (pre- and post-fader), stereo aux return, 8 1/4" inserts, 2-track stereo RCA in and out
  • Separate 1/4" balanced main and monitor outs, front-panel headphone out
  • Pan control, peak indicator, and 60mm fader on each channel
  • 2-band high/ low shelving EQ per channel
  • Front-panel (top down):
    8 mic/line channels and 2 stereo channels with trim, 2-band EQ (high shelving at 12kHz, low shelving at 80Hz), aux send 1 (pre-fader), aux send 2 (post-fader), pan/balance, and 60mm fader.

    Front-panel other:
    60mm stereo master fader. Stereo aux return level. Headphone jack with level and master/tape switch. Stereo 10-segment LED meters. Power and phantom power LEDs.

    All 1/4" TRS except as noted: Mic in x 8 (XLR), line in x 12, channel insert x 8, aux send x 2, stereo aux return, stereo main out, stereo monitor out, headphone out. Stereo tape in and master out (RCA)

    120V AC internal transformer

    Dimensions(H x W x D): 5.25" x 19" x 6.25" (134mm x 483mm x 158mm), 3U rackmount

    8lb. (3.6kg)
One year parts and labor warranty on all keyboards, DAT, and modules.
One year or 1500 hour warranty (whichever comes first) on tape heads.
Custome must register purchase online to receive customer registration number and warranty.
(No warranties are sent with product.)

Pro Coverage gives you added warranty protection for your new gear. Stepping in where the manufacturer's "normal wear and tear" coverage ends, our Pro Coverage program offers you upgraded coverage if your product ever fails Read More.

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  • 100% coverage for commercial use
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  • Free transfer of coverage to a new owner
  • Repair costs covered for up to three years from date of purchase
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  • Customer Reviews

Review Snapshot

by PowerReviews
AlesisMultiMix 12R Rack Mixer

(based on 8 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



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  • 2 Stars



  • 1 Stars



Reviewed by 8 customers

Displaying reviews 1-8

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(2 of 2 customers found this review helpful)


Perfect mixer for premixing drums into 2 channels

By David Zeleznikar

from Milwaukee, WI

Comments about Alesis MultiMix 12R Rack Mixer:

I bought this rack mount mixer so I could premix my drum set and send a stereo pair to the FOH mixer. I play a six piece kit, plus utilize 2 overheads. That's 8 channels on a FOH mixer. I mainly use this rig for outdoor shows where I need everything mic'd. I go into this mixer, insert to a DBX Compressor on each drum channel, then use the Aux 2 to send a feed to a Lexicon reverb unit which feeds back to the mixer into a stero channel. I adjust each drum channel during sound check. The Alesis does what it needs to do. It's preamps are quiet and it has enough EQ on it to make my drums sound good.

(10 of 10 customers found this review helpful)


Alesis 12R Review

By Nat-1-F_D

from Dayton, OH

Comments about Alesis MultiMix 12R Rack Mixer:

I just received 2 of these units to submix my drums (yes, I need all those channels!) I used a Behringer UB2442FX-Pro for about 7 years and never liked the "IMP"s. So when I lost a channel (and the headphone pots were shot years ago) I decided to switch to rack-mounted units to go in my Mighty Gig Rig. Between the Alesis 12R and the Behringer RX1202, I knew the Alesis would be higher quality than the IMPs. I immediatly heard the difference--much cleaner. Even my cheap mics sounded better, cleaner, tighter. The first unit got my 8 toms, auxed (post) to a reverb and then sent to the second unit where they meet my bass, snare, overheads and triggers. Those are auxed (post) to another fx unit. I'm using the pre aux to send the second unit's bass, snare, overheads and triggers to the same reverb as the first unit, so it folds back to the second and "busses" it all together for a more unified sound. I still have the pre aux on the second unit as another send and 4 mic inputs and a couple stereo ins for expansion, which I will certainly use with my keyboard and other stuff. I can finally mic some percussion and my side snare! Without any EQ, the kit already sounds awesome. My only complaint is that the phantom power indicator light on the 2nd unit doesn't stay on. It lights when the unit it turned on but then goes out. It is providing power, however and I don't want to go through the hassle of exchanging the unit after getting it all set up. A lesser issue is that EQ is very limited--2 fixed bands at 12khz and 80hz, +/- 15dB. Personally, tuning drums correctly makes this limitation ok, though I do wish I had a little more range with the kick and snare. If you record digitally, you can fix it there. If not, you're a bit limited. I like to go flat as much as possible anyway.
Great pres, tight sound. Immediately better than the IMPs from Behringer. No frills with unnecessary fx, etc. Could use more EQ options beyond 2 band (12khz and 80hz, +/- 15dB) and perhaps one more pre aux send but the post can do the same thing if you don't need to individually monitor each channel. It doesn't offer a million options, but it does what it is designed to do very well.
Phantom Power light on one-of-two units I bought seems to have a short; power is provided, however. Knobs and sliders feel solid, jacks are good.
Does what I want at a good price. If you don't need crappy effects, a bunch of sends/eqs/etc., but a stable, solid, clean-sounding machine, this suits the bill.

(3 of 4 customers found this review helpful)


Alesis 12R Mixer

By James Huffman

from Lehighton

Comments about Alesis MultiMix 12R Rack Mixer:

Works great. Just what i needed to add tracks to my BR 1200.

(5 of 5 customers found this review helpful)


Great little mixer

By Gabe

from Hammond, IN

Comments about Alesis MultiMix 12R Rack Mixer:

I got this mixer about a year ago, I have it in black but the white looks pretty nifty. I used it for recording bands, and solo projects. The quality is awesome running it to my macbook. I just use the tape out, and there are no hums, and hisses. I dont use an interface either, so if you have a decent soundcard, this works great. I would highly recommend this for someone who wants alot of control, but wants to maintain portability.

(4 of 5 customers found this review helpful)


Needs better construction

By TaiwanUN

from Briarwood, NY

Comments about Alesis MultiMix 12R Rack Mixer:

I purchased this mixer because I need a rackmount DJ style like device. However, the first shipment came as damaged. The coil was so heavy it broke off from the internal wall secured by a screw with a fitting on case. So I had to have it returned. The second one came as the same thing! Luckily I was able to replace the right wall with the left wall on the case. I think it must be the UPS that throws around the box but Alesis should pay more attention to their product. Overall I like it, I think people will if they can get over the coil problem.

(3 of 3 customers found this review helpful)


Great mixer

By Skinns From Kent

from Ravenna, Ohio

Comments about Alesis MultiMix 12R Rack Mixer:

Very user friendly, i use this mixer for my tama drum kit, very easy to use, and great sound.

(2 of 2 customers found this review helpful)


Great Product for Money

By CK98Beeetle

from Pekin, IL

Comments about Alesis MultiMix 12R Rack Mixer:

I think the quality on this product is great. Alesis does a great job making it simple and sound great. I use it in my home studio and couldn't ask for something better for the money.

(4 of 4 customers found this review helpful)


It sounds great!

By Willie-Or6J7

from Outside U.S.

Comments about Alesis MultiMix 12R Rack Mixer:

I use it as my personal gig rig, mounted on rack. I use a Midiverb 4 as my programmable FX for sax (a Beta 98H/C is my microphone); also use a Yamaha WX5 with a Motif-Rack as my sound module, it has 6 outs (L-R and 4 assignable) all them connected to the mixers. It sounds great!. Very nice choice for intrument rigs and home studio.

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