Synth Site: Oberheim: Matrix 6R: User reviews Add review
Average rating: 4.5 out of 5
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sjmojo a professional user writes:
just got it for $350,great analog sounds,and i can also edit sounds for my matrix1000 now,yap,theres no knobs and just one slider for volume.but i can easily edit it thru the kenton control freak.this is a 2dcos hybrid analog synth,get one when it's still cheap.

Rating: 5 out of 5 posted Wednesday-Jun-06-2001 at 12:22
MC a professional user from USA writes:
The M6R is a great polyphonic synth. Strings, pads, rezzes, FX, you can get all kinds of sounds from it. Plus you can do splits and layers with it. If you're looking at one, I recommend that you be familiar with subtractive synthesis - this is not a good synth for beginners.

Do get a software editor for it. You can edit programs from the front panel but it gets very frustrating after a while. It begs for a panel of knobs. The factory presets aren't the greatest, but once you dive into the machine and work with that matrix modulation you'll be in analog heaven.

I originally bought mine to replace my ailing Memorymoog on the road. With a lot of A/B testing I was able to replicate most of the MM patches I use, so that says something about the sound. The only thing the M6R does not do well is monophonic sounds when you put it in unison. You are always stuck with six voice unison, and twelve DCOs in unison is very very irritating. It would've been a lot better if there was an option to get unison down to one voice, but there is none.

For a DCO polysynth it's surprising warm. I really really wanted to use it in place of the Memorymoog (it weighs a LOT less) but I really really needed those monophonic sounds, and that necessitated dragging around another keyboard to cover the gaps.

As a matter of fact, I experimented with an OBMx for a couple of hours in a store and concluded that the M6R sounds *better* than that hunk of wires. And I've been programming analog synths since 1981.

But I wound up selling it... after I got my Memorymoog fixed up and running much more reliably, the M6R gathered dust. I just didn't need it.

I'll give it a 4 for the nice sounds but it loses a point for the lousy interface and the poor monophonic capability.

Rating: 4 out of 5 posted Friday-May-11-2001 at 16:23
James Meeker a part-time user from Toledo, Ohio writes:
Simply an excellent synth module! More bang for the buck than anything else out there--it will blow away your Novation Bass Station for half the price.

The Matrix 6R is an unbelievably great unit if you are into programming and have a manual (this is a necessity because a lot of the M6R isn't immediately obvious).

The synth architecture is essentially everything important in subtractive synthesis EXCEPT multi-mode filters; unfortunately the M6R is only 4 pole lowpass, which really sucks given the potential for oddball sounds.

If you know what you are doing and spend as much time with the M6R as I have, you can easily rival VCO analog for sheer girth. In general, a little +/- detuning on DCO 1 and DCO 2 modulated by a quick attack/decay/0 sustain/no release envelope will greatly fatten your sound. I have an OBXa 8 voice right next to my M6R and have actually created patches that give the OBXa a run for its money!!! No joke. The only synth in my arsenal that can *consistently* out-match my M6R for sheer power is my Prophet 5 rev 3.2 (which is one of the most heavyweight analogs ever--right up with the Matrix 12, Memorymoog and CS-80).

A strong point, in my opinion, is the ability to detune the oscillators against one another along a mind-numbing variety of ways--LFO's (there are 2), ramp generators, envelopes.... simultaneously if you like. I am a big fan of pitch shifting analog oscillators and this is like manna for me!

In a nutshell, if you can't afford a Matrix 12 or Xpander, get a Matrix 6 or Matrix 6R--they are very, very well-equipped and satisfying units. Pads, leads, bass... anything you want is right here at your fingertips (albeit slowly--I've taken as long as 8 hours to get a pad "just right", but it was worth it). The entire Matrix/Xpander series is simply awe-inspiring. Although the Matrix 6 line is the "baby" of the bunch and not nearly as well-equipped as its big brothers, for the money you can't go wrong.

Simply my most tweaked piece of gear. (But then again, it only takes a minute to create a sound on a Prophet 5 anyway... so maybe this isn't such a good thing--except the M6 does things my P5 could never do.)


Rating: 4 out of 5 posted Tuesday-Jan-09-2001 at 02:09
Tom Smith a part-time user from USA writes:
Great synth. Midi spec is very good for a synth of this era. Envelopes are a bit slow, and it could use sine waves on the LFOs. Multimode filter'd be nice, too. But for the price ($200), you can't really approach the power and stability of this machine with any others I know of. Get 3, link em up, and you have an 18 voice, 36 DCO monster (I'd like to hear that in Unison Mode...). Has anyone used a TR-X0X Trig Ouput to trigger the envelopes or LFOs through the Pedal 2 jack on the back? Gotten it to work? Let me know at and remove the NOSPAM bit. Thanks.

Rating: 4 out of 5 posted Friday-Aug-25-2000 at 16:59
Stefano Marino from Italy writes:
I think this is one of the more underestimated synth of the story.This is probably all due to the lack of potentiometers and the difficult to program it without a computer editor.I have had the beast in 1989 for near to $200 of today. Now I keep it permanently connected to an Atari ST editor and some guitar pedals,it produce so many fantastic electronic sound and in particular I like it for pads,low freq sounds and effects.Even if it has DCO the sound with a little of effects is for me incomparable with the "virtual"all potentiometers digital synth of today.

Rating: 5 out of 5 posted Sunday-Jun-04-2000 at 13:01
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