Mochika Atomosynth & Kaoss Pad. A match made in Heaven.

YouTube via DjPuzzle73
"Hand made analog synth and Kaoss pad demo. By Dj Puzzle"

Roland Jupiter-4

YouTube via erichmielke. "are friends arpeggiated?"

S-CAT (0166) CIRCUIT BENT CASIO MT-68

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"MODIFICATIONS
THE CASIO MT-68 NOW HAS
ELEVEN NEW ROTARY POTENTIOMETERS
WITH WHICH THE SOUNDS OF THE
RHYTHM AND ACCOMPANIMENT SECTION
CAN BE SHAPED, WARPED AND DISTORTED TO YOUR HEART'S CONTENT!

ROTARY POTENTIOMETERS
1 - BASS DRUM DECAY
2 - SNARE SNAP
3 - OPEN HAT VCF
4 - CLOSED HAT VOL
5 - ARPEGGIO VARIATOR
6 - BASSLINE DISTORTION
7 & 8 - RHYTHM DISTORTION
9 - ARPEGGIO VCF
10 - BASSLINE DRIVE
11 - CHORDS VCA/VCF

ORIGINAL FEATURES
ACCOMPANIMENT SECTION
MANUAL BASS - CASIO CHORD - ARPEGGIO
BASS / CHORD / ARPEGGIO VARIATIONS
RHYTHM
START/STOP - SYNCHRO - FILL IN
TWELVE PRESET RHYTHMS
SEPERATE LEVELS FOR RHYTHM AND ACCOMPANIMENT
TEMPO
TWENTY TONES
BUILT - IN EFFECTS
MODULATION - VIBRATO - REVERB - SUSTAIN
ON THE REAR PANEL
TUNING - PHONO OUT - JACK OUT - POWER
(REQUIRES 5 x D / R20 BATTERIES OR 7.5v.PSU)
TOTAL LENGTH 26" / 68cm
2.5KG UNPACKAGED"
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S-CAT 0054 - MODIFIED CASIO MT-68 VINTAGE SYNTH

YouTube via PHONICPOTION (click for more videos)

Roland TB-303

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Univox Korg 770

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"Vintage Portable Univox Korg 770 Analog Synthesizer circa 1977. Specifications:
# KEYBOARD: F-C 32 Keys
# VCO-1: Scale (64', 32', 16', 8', 4', 2'), Waveform (triangle, square, sawtooth, pulse, PWM, External Signal), Pitch Control, Vibrato Switch (Normal/Off/Delay), Vibrato Depth, Vibrato Speed, Pitch Bend Switch (Up/Off/Down), Delay Time, Bend Speed, Portmento Switch (Fixed/Off/Control), Portamento Control
# VCF x2: Traveler (High Pass, Low Pass), Bright Selector, Expand Switches x2 (LP+HP, Off/Normal/Reverse), FcM Switch
# VCA + ENVELOPE GENERATOR: Attack Time, Singing Level, Range Selector, Sustain Selector, Envelope Mode Selector, Trigger Mode Selector
# LFO: Speed Control (Repeat+FcM)
# VCO-2: Coarse Tuning (16'-1'), Fine Tuning, Mode Selector (sawtooth, Ring 1, 2, Scale Noise, Pink Noise, White Noise)
# TOTAL: Mixing Selector, Mixing Volume, Power Switch/Volume
# DIMENSIONS: Approx. 22"(W) x 8"(H) x 13(D) mm
# WEIGHT: 9 kg
# POWER CONSUMPTION: Voltage (Local Voltage, 50/60Hz), Wattage (15W)"

Oberheim OB-SX

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"Oberheim OB-SX Synthesizer. It is a 6 voice. The buttons in the front top from left to right is volume, auto, hold, chord, unison, portamento, lfo rale, osc 2 detune, filter freq, ampl & filter attack, filter decay, and amplifier release envelopes. The bottom left to right is osc 2, only, narrow, broad, up octave & down octave, switches a b & c, programs 1,2,3,4,5,6,7, and 8. The back from left to right, audio out, sustain sw, mod pedal, filter pedal, cv in, cv out, gate in, gate out, master tune, program bank and computer. Operheim Electronics Santa Monica, Calif. Volt 115 and 230. Model OBSX , 90-130 vac or 180-260 vac, 50-60 hz 60 watts max. It measures 34" lenght, 5" tall, 21" depth."

Inside an Oberheim OB-SX.

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Roland Juno-60

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Roland JP-8

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Serial #110823

Roland G-707

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Serge Modular

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"This is a mid-vintage serge panel, probably dates back to the early eighties. Serge panels are still being produced by a company called STS systems. The panel modules and functionality can be found there. This particular panel can be used as a complete 2 osc synthesiser in itself (minus a dedicated lfo) or can be used to expand a current modular synth. It might make a good starter panel because includes a psu purchased from STS systems that will power 2 panels. I also have 8 or so patch cords i can include. The unit is also rack mountable. This synth is a bit difficult to describe in comparison to hardwired commercial synths, the closest thing I can compare it to soundwise might be an arp 2600, the oscillators sound bright and musical, and are very stable. the filters are very 'natural' sounding really unlike any other synth I've heard. You can get an enoumous range of timbres by cross modulating the oscillators together, sync sounds, ring mod type sounds. the wavemultipliers are used to take a simple waveform and shift its harmonics around in different ways. They are good for metallic tones and strange textures and each one has a slightly different flavor. There are many ways to overdrive or feedback audio signals at different points in the synth which can be useful as well. The slope generators can be used in too many ways to list; simple envelopes or as weird lfos for example. One of the unique features of serge synths in general is the versitility of the modules for the amout of space they use. This synth is really for someone who wants to explore textural sounds,it can be wired to do 'classic' analog sounds extremely well but you would only be using 5% of what it can do. It is controlled via standard 1v/octave cv/gate."