Moog Music CP-251 Control Processor

Moog Music CP-251 Control Processor

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CP-251 Control Processor, Other Studio Effect from Moog Music.

2 user reviews
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Moog Music CP-251 Control Processor tech. sheet

  • Manufacturer: Moog Music
  • Model: CP-251 Control Processor
  • Category: Other Studio Effects
  • Added in our database on: 02/23/2003

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Moog Music CP-251 Control Processor user reviews

Average Score:4.5( 4.5/5 based on 2 reviews )
 1 user review50 %
 1 user review50 %

wwhhhaatt's review"A must have for multiple Moogers"

Moog Music CP-251 Control Processor

It would take way too long to explain all the connections on this box and if you're looking into it then you should really check out Moog's website.

This is an all analog control voltage generator. Basically what that means is it produces signals that can be plugged into Moog gear (or any gear using the +/-5v voltage) to automatically alter the settings. Any knob on the Moogerfooger pedals can be altered with this box to create some other wordly sounds. Construction is solid, the potentiometers feel smooth, and the inside looks like a tiny city.


Ease of use is very dependent on what exactly you are trying to accomplish. Control voltages are something that you don't really grasp without extensive hands on experience. The manual does get pretty in depth with information on how to use the voltages to open up the possibilities of the gear it's connected to but ultimately it takes time. I read the manual front to back before using the box and continue to reference it whenever needed.

I currently own the Moog phaser, delay, murf, and in addition to the cp251. I was getting pretty wild sounds without this box but after getting the CP it's like having a whole other set of Moogers at my disposal. Any control knob on any of the Moogers can be altered with any combination of square, triangle, and saw waves as well as the amazing sample&hold circuit.

If you've ever wanted a random time changing and pitch shifting delay you can achieve that with this box and the Moog 104.


n/a This box produces no sound except the white noise output.


I love this box. You can get tons of sounds with digital gear these days but sometimes it's more rewarding to just concoct something yourself with analog devices. I already loved the Moog pedals before getting this but the amount of new sounds I got after having it are definitely worth the cost. The Moog delay in particular is greatly enhanced by this. I have always loved modulated delays and a simple triangle wave into the time input on the 104 makes the most beautiful echoes I have ever heard. The sample&hold is also a favorite especially with the freq. box and phaser. As far as I know there are no other similar devices to compare this too and even if there are I would doubt they would be better than the Moog. As far as price; that would depend on what you are looking for. You have to keep in mind with this type of thing that there are no presets and sometimes you might find an amazing sound but if you don't write down notes you will have a hard time repeating it. If I lost it I would buy another, I'm thinking of actually buying a second.

Anonymous 's review (This content has been automatically translated from French)

Moog Music CP-251 Control Processor
CP 251 is divided into six windows
4 of the top used to filter, amplify or attenuate, mix
the bottom left is a patch of four, the right to a source WHITE NOISE and TRIGGER 1, last two trigger if you hack
no MIDI, no USB ....
the rings are either strapped to the cable or an expression pedal
rather odd dimensions, with a suitable rack tole


there ca be complicated. manual in English, but they are people you need?
What is known has an LFO, a LAG, attenuators, a section of four mixers ... but loses its bearings connect all this with the choice of two waveforms

schemes offer qq bases, a personal experience qq hours and a great deal of intuition will help you. doc encourages intending to buy all the filters in the MOOG brand.
I assure, the CP251 is already is a mixture of modulation, pitch management and CV
Me, only the CP 251 enough for me.

there are 132 possible combinations and even more if we add an expression pedal


there's not a product but a white noise in export possible.
it controls, it module demodulates it reduced, re injects VOLTAGE
it creates harmonic of variable pitch, CV unstable or stalled on waveforms ... there is no real limit. capable of cutting a signal of anything big or complex hyper signal.

I use it with a MINITAUR and pedal MOOG
I prefer the oddities created the PITCH random reduction, and the LFO sawtooth on the CV GATE.
it gives me complex and repetitive harmonic 2-stroke or 4-stroke depending on the speed of the LFO, it is even in logic OVERDRIVE by patching signals, we find the MS20.

distant metallic effects reminiscent TB 303 if you start on the treble
can re injecting a wave for modulating the second to increase this potential ... short, ca remember the 1970s and 80s we all worked with the cables!


it takes hours to find what you want and acquire the reflexes
the expression pedal does not really interest on 4 ciglées taken
we love its price occasion, around 200 euros in May 2013
we do not like: the lack of screen, and buttons without notch or numerical values, so, some dexterity is not to disrupt have inadvertently take note on a paper (one blank matrix available in PDF) I recommend for beginners or so, you help to make debut!

We love: the link to anything that accepts a CV / GATE and PITCH: MOOG synth, xoxbox, future retro revolution (the voltage gaffe anyway), the Korg monotribe, the ROLAND etc. ....
You really have to buy it as an additive to the gear and not as an AUDIO effects processor because it is indeed a wave reworking, we do jazz, techno, drum and bass and pop - rock
so it's a Swiss Army knife, a box that heats all the sound for a bit that the base is good.

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  • Moog Music CP-251 Control Processor
  • Moog Music CP-251 Control Processor
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Other names: cp 251 control processor, cp251controlprocessor, cp251 controlprocessor, cp 251 controlprocessor, cp251 control processor, cp 251control processor, moogeefoogercp251, moogeefooger cp251

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