Oberheim OB-Mx Rackmount Analog 2-Voice Synthesizer SN MX001434

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"Just serviced, like new. One card with two voices. All voltages compatible."

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Oberheim OB-Mx Vintage Synthesizer designed by Don Buchla

video upload by tonetweakers

"This ones a 2 voice but we also have one available with more voices. The prototype of this instrument was reportedly used for the funky bassline on NIN’s song “Closer”. Anyone know any other songs this synth was used on?"

https://www.tonetweakers.com/

Oberheim OB-Mx 4-Voice Card SN MX001041

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"It’s really wonderful Oberheim Synth Rack ! It’s a 2.0 Version.

It needs to Voice card Calibration(I've checked that the sound is output, but the tune is out of sync, loud or small)."

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Oberheim OB-Mx 2-Voice Synthesizer SN MX001505

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"Rare, quirky, and amazing synth designed by Don Buchla and Oberheim in 1994."

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Oberheim OB-Mx 2-Voice SN MX001269

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"It is in excellent condition and has been fully serviced including new capacitors where needed, as well as having its controls cleaned and lubricated."

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Oberheim OB-Mx 2 Voice SN 1397

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Oberheim OB-Mx 6-Voice Ver. SN MX001381

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Use this code on checkout for $30 off orders of $100 or more from now until December 31: MATRIX30

"Don Buchla‘s analog Monster !

Synth is in perfect condition, everything works better then was new.

OB-Mx was 3 months ago in pro service famous “Werkstatt Matlak”.
All 3 cards with 6 voice were full calibrated and was install chips with last Os for cards and chip with last Os system, because of this there is no problem with voice tuning and synth.
Works better than Ob was new.
No bugs with system and chips on cards.
Synth was fully clean and checked.

All potentiometers,buttons and display works like NEW!"

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Oberheim OB-Mx - Four Voice

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"90's Oberheim OBMX with 2 voice cards (four voice in total). Very good condition. These are very rare and even more rare with 2 voice cards."

Oberheim OB-Mx

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"Ob-Mx perfect condition
2 voices
Overhauled"

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Oberheim OB-MX 6 Voice Designed by Don Buchla SN MX001416

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"Up for grabs is a Oberheim OB-MX 6 Voice. Deep analog poly designed by Don Buchla and built in Oakland, CA. Fully serviced in 2021- Power supply rebuilt, all voice card received recalibration and electronic caps changed, all pots and switches cleaned. Top notch unit."

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Oberheim OB-Mx 6 Voice

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Rare Oberheim-Mx , 6-voice version !

Only 500 Mx were made !

Last synth by Don Buchla!

Checked in pro service, everything works perfect!"

Looks like SN MX001301

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Oberheim OB-Mx

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"2 voices. Pulled from a commercial studio."

Anyone ID the pic in the background? Where is that?

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KEEP YOUR COOL | Roland VT-4 + Prophet-6, OB-6 & DX-7

video upload by MR TUNA Music

"Don’t confuse me babe
You know this ain’t my speed
I was staring in the mirror
And something took a hold of me
I know you live an interesting life
You worship at the altar underneath the city lights
Just keep it moving
Just keep your cool
Tell me why you always run away the minute I come through
Just keep it moving
Just keep your cool
I had the strangest dream of what could be
and nothing else will do

Gear used:
Sequential Circuits Prophet-6 analog synthesizer
Sequential Circuits / Oberheim OB-6 analog synthesizer
Yamaha DX-7IIFD FM synthesizer
Roland TR-808 analog drum machine
Roland MC-707 groovebox
Squarp Pyramid hardware sequencer
Roland MX-1 mixer
Roland VT-4 vocal transformer"

Oberheim OB-Mx 4 Voice Synthesizer (1994) SN MX001285

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Oberheim OB-Mx

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Oberheim OB-Mx Owned by Junkie XL

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"Serial: MX001480 Hardly any cosmetic issues. This unit is in impeccable condition. Version 1.04."

It appears to have two voice boards installed. Pic of the inside below.

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Oberheim OB-Mx Front Panel

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Oberheim OB-MX 2 Voice Rack Synth SN mx001403

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"It is in excellent condition with the original rack ears and manual.

I bought this in 1998 and it has been stored away safely since the early 2000's I doubt you will be able to find one with this little use anywhere

I have just got it out tested it , run the demos and replaced the 3v cell battery, everything functions as it should.

The face panel is in excellent condition no signs of wear"

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Oberheim OB-MX SN MX001321

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Oberheim OB-MX Rack Synth SN MX001436

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"Excellent Oberheim OB-MX Rack Synth, 2 voices. Excellent shape, studio use only."

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