Oberheim Xpander XP-1 SN G50802

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SPECS:
serial #: 650802
Processor Software Version: 1.2
Voice Version: 1.4
Cassette Version: 1.2
OberMod: Xpander Xpansion Ext. Signal Input (VC02-Noise) Oddernmart S.F. CA. 94115
6 - 1/4" audio signal inputs
Each jack is hardwired directly to the voice board so you can process external audio through the Xpander filters, it's a little noise by nature.

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Korg MS2000B Virtual Analog Modeling Synthesizer

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via this auction, also on Reverb

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Waldorf Microwave MK1 SN 9413127

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Syntecno TeeBee Mark III TB303 Style ACID Synth

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"(TB303 clone) with upgraded aluminum metal knobs. Photo shows amazing knobs and unit powered up. Syntecno TeeBee is a 303 ACID synth with some tricks up its own sleeve! At first glance you'll notice it has many of the same controls as the original TB-303 - Tuning, Cutoff, Resonance, Env Mod, Decay. It has square and sawtooth waveforms like the 303.

This build does not have a ring modulator.

The Syntecno TeeBee has MIDI in/out, Roland Din Sync and CV / Gate in/out as well as an external audio input making a creative tool in your studio for emulating 303's, filtering external audio such as drum loops or voice, and controlling older synths using CV / Gate. Probably the best 303 emulator.

Besides 5 Volt gate output, now 10 Volt gate output (Moog) also supported."

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Rare Mutronics Mutator with Midi Synth Effects Filter SN MU952M

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Maestro USS-1A Universal Synthesizer System for P&R SN 1169

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"Includes footswitch.

Item is in used condition.

Item is being listed for parts and repair.

PLEASE NOTE:
- The PHASE effect appears to be functional.
- The SUB HARMONIC effect work intermittently.
- The rest of the effects do NOT appear to function, and the volume drops out when they are engaged.
- The faders are difficult to move (they do NOT glide freely).
- The buttons on the footswitch do NOT always light up.
- The footswitch does NOT engage properly.

Item turns on while plugged in with the attached power cord.
No input or output jacks show any obvious signs of damage.
The power cord appears to be in good condition.

Cosmetic issues with the item include missing fader caps, scuffs, scrapes, dust/residue, light oxidation, and scratches and marks consistent with regular use (see pictures)."

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Keyboard Voice ROM SHOFUKU PART 1 AVC KV-01 Cart for Yamaha DX7 Synthesizer

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Yamaha DX7 cart from 1985.

Yasuhiko Fukada
Noritaka Ubukata
AVic, Inc.

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BOSS SY-300 // Checking the Presets of the GUITAR SYNTHESIZER // No Talking // Part 1

video upload by LESINDES

"Playing some presets of BOSS SY-300 guitar synthesizer classic.
Part 1:
00:00 SY-300 Sequence
01:18 Extensive Pulse
02:09 Fat Saw Bass
02:50 Big Bass
03:54 Guitar Bass Flute Layer
04:38 Hyper Rhythm
05:20 Lead + Octave Control
05:37 Multi 5th Lead
06:45 Man in Motion
07:56 Lord Purple
08:40 Feedback Control
09:11 Mono Root King
09:48 Sync Square Lead
10:38 Music Monk
11:59 Credits
12:54 Thick Chord Tone"

Yamaha RS 7000 Groovebox #4 Style Demo "Psychodreamworld" w/ JD-XA , Novation Nova, V-Synth

video upload by Kosmokatze

"Take a 20 year old groovebox, find a cheesy house style, plug in some old synthesizers, choose some roland rompler presets, press start and feel yourself back to the 90s.

Original Mix by Psychodreamworld · Equinox Sounds
Credits PNG in Video: pngaaa.com"

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STICK OF GLITCH (PS4 controller as glitch machine)

video upload by Perplex On

"Thanks to the latest update for #musikraken app, you can integrate game controllers into your musical life. Here a ps4 controller stick is sending midi notes and cc from musikraken to AUM loaded with #fractalbits and #koalafx. The stick is configured to send midi notes by changing its y-position (from low to higher notes) while the x-axis is controlling filter, comb filter and crush of koalafx."