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Workstations

Buchla 200/200e System - $44
Complex and sophisticated modular synthesiser featuring clones of original 200 series modules from the 1970’s paired with Buchla’s new and improved 200e modules. Unlike any other instrument in the MESS collection. This is where you will come face to face with electronics of the psychedelic kind. Silver Apples Of The Moon anyone? http://www.buchla.com
Dierstein Ondes Musicales - $44
The Dierstein Ondes Musicales is a contemporary reproduction of the final Concert model of Maurice Martenot's instrument introduced in 1928, the ondes Martenot, or Martenot waves. Martenot's instrument is the repertory champ of electronic musical instruments, appearing in some one thousand compositions, film scores, and incidental music with diverse instrumental orchestrations in various stylistic genres.

The original ondes Martenot used vacuum tube technology inspired by Leon Theremin's namesake instrument (known as the Aetherphone at the time), which Maurice Martenot heard at concerts in Paris during the late 'twenties. Two supersonic oscillators create an audible difference tone when the controls of the ondes Martenot (or theremin) are played. The difference between these two oscillator frequencies- one fixed, the other moveable- creates the pitch we hear. This provides the ability to produce pitches continuously from lowest to highest, and provides both instruments with their characteristic gliding pitch, or portamento idiomatic expression. Both the theremin and ondes Martenot are monophonic.

Such instruments were said to create music "from the ether," due to their otherworldly sounds. The luminiferous ether was a suppositional substance contrived by 19th century physicists to account for how light necessarily must pass through the emptiness of space, by analogy with sound-which actually does require a material elastic medium such as air. Physicists later learned that light acts both as a wave (like sound), and as a particle (unlike sound). Nevertheless, outer space associations with both instruments-as well as electronic musical instruments in general, persist to this day!

Jean-Loup Dierstein services and restores instruments for Jean-Michel Jarre, Vangelis, and Daft Punk, and for studios throughout France. After two years in development, Dierstein presented his first production ondes Musicales to Jonny Greenwood of Radiohead in 2011. Dierstein's ondes Musicales is a faithful reproduction of Martenot's Concert (transistor) model of some 23 years earlier. Pitch is controlled either by keyboard, or by the ruban (moveable wire) just below the keyboard, which allows continuous changes of pitch. Sound is articulated by depressing a rectangular button with the left hand, and it is this separation of pitch selection and pitch articulation that provides the characteristic "un-keyboard-like" expression. Witness how string and wind instruments function with corresponding divisions of labor. Production of the three different speakers used by the ondes Martenot, and now Dierstein's latter day version, the ondes Musicales are in process.

Ondes Martenot Demo by Jean Laurendeau
https://www.youtube.com/watch?v=Yy9UBjrUjwo

Ondes Martenot: Three Speaker Systems by Estelle Lemire
http://estellelemire.com/en/ondes/apercu/

Dierstein ondes Musicales by Thomas Bloch
http://www.thomasbloch.net/new_ondes_martenot

Musicworks article by Caroline Martel, also the director of an excellent film about the Ondes Martenot: Wavemakers
https://www.musicworks.ca/featured-article/featured-article/ondes-martenot-making-new-waves

Jean-Loup Dierstein’s Home Page (in French)
http://www.ondesmusicales.eu/html/acheter.htm
Fairlight CMI-30A - $44
"When the Fairlight CMI arrived on the scene in the eighties it changed the way we make
music, forever. Today every sampler, digital synthesiser, and audio workstation can trace its lineage back to this legendary machine. Known for its solid, hand-built quality and iconic sounds, the Fairlight CMI holds a special place in history and in the hearts of musicians everywhere. Now, after thirty years, the Fairlight CMI returns. With all the character of the original, the 30A delivers a major nostalgia hit. Featuring the hallmark look and feel of the original Fairlight, the 30th anniversary CMI harnesses the latest
technology to deliver the ‘Fairlight sound’ no other system has achieved." via Peter Vogel Instruments
GRP A8 - $44
The GRP A8 is one of the physically largest synthesizers ever produced.

From Theo Bloderer at http://greatsynthesizers.com/, "While most modern analog synthesizers follow the concept of classic synthesizers, GRP has gone its own way. Fabulous sound is the basis, of course, but on top of this the GRP concept is tremendously flexible. There’s a fantastic intuitive user surface (with knobs instead of patches, so you’re faster), MIDI and (!) CV/gate, delightful performance features including the synchronization of all rhythm-based components (LFOs, S/H, auto-pan, sequencer …), and well … a wonderful – absolutely unique! – step-sequencer.

The GRP A8 is a dual section analog synthesizer capable of creating two entirely separate sounds. The instrument offers:
6x VCOs
6x sub-oscillators
1x noise (for audio and modulation)
2x ring modulator
2x 24dB lowpass filters
2x 12dB multimode filters
2x fixed filter banks
8x VCAs
4x DAHDSR envelopes
3x ADSR envelopes
2x VC LFO (with MIDI sync)
1x general LFO
3x audio-mixer
1x sample & hold (with MIDI sync and EG control function)
1×16 (2×8) step CV & trigger sequencer (with MIDI sync)
1x auto pan module
2x portamento
reference tone (A=440 Hz)
9x audio out rear (Upper R/L, Lower R/L, Main Low R/L, Main High R/L, Mono)
6x audio out front (Main Low R/L, Main High R/L, Mono, Phones)
CV – gate – trigger panel
MIDI"
Oberheim OB-8, DSX, DMX combo - $44
80s' power house workstation. The OB-8 is a classic polysynth, the DMX a monster drum machines and the DMX is the brain to make it all work together.
Moog System 55 - $44
The granddaddy of analog modular synthesizers, Moog Music's largest standard configuration (System 35 and Model 15 are smaller systems) provides late 'sixties & early 'seventies modules identical to those designed by Bob Moog and his early engineering team. The Moog Modular System 55 is not a "restoration" or "new old stock." It's a part-for-part brand new production of a Moog System 55. It's an original.

The System 55 is a subtractive synthesizer, one that processes complex pulse, sawtooth, triangle, and noise waveforms using a complement of filters. Low pass, high pass, band pass, band reject, and fixed filter bank (for creating formants) functions are provided. The System 55 is an analog synthesizer that processes continuously variable electronic signals, providing immediate and smooth responses to all user-programming decisions.

Analog monophonic Moog Modular Systems played a central role in the development of electronic music, both on stage and in the studio. Keith Emerson of Emerson, Lake & Palmer thrilled throngs with his huge custom Moog 900 Series Modular System, playing extended solos on hits such as "Lucky Man". Wendy Carlos shook up the classical music world in 1969 with her pioneering Switched On Bach album, realized on a Moog 900 Series Modular System. It would be difficult to count the number of composers, sound designers, and performers who teethed on Moog Modular Systems.

Keith Emerson "Lucky Man" Moog modular solo
https://www.youtube.com/watch?v=MRYx0ySEhjk&spfreload=10

Wendy Carlos Home Page
http://www.wendycarlos.com/

50th Anniversary Moog Modular Synthesizer
https://www.youtube.com/watch?v=G7TJyPAyTiQ#t=96

Moog Music, Inc.
http://www.moogmusic.com/
Roland System 700/100 Combo - $44
Both a Roland System 100 and 700 (main module only) combined into a vintage Roland modular powerhouse.

System 700 (1976) This is the first modular synth to be made in Japan and a favourite here at MESS. Internally wired or externally patched analog modular synthesizers featuring 3 oscillators, 2 filters, ring mod, audio and cv mixer, spring reverb and phase shifter. This is a big, heavy machine offering a big, heavy sound. http://www.vintagesynth.com/roland/sys700.php

System 100 (1975-1979) Semi modular monophonic analog synthesizers featuring 4 modules - Model 101, Model 102, Model 103, Model 104. All modules can be externally patched for complex sound design possibilities. This machine really comes to life when all modules are connected. Rich sounding, musical, and endlessly fun to use.

ROLAND MODEL 101 - Self contained 37 key single oscillator synthesizers featuring hi pass/low pass filter, LFO and noise generator. Patch cords can be plugged in to override internal routing.
ROLAND MODEL 102 - expander module for Model 101 featuring a single oscillator, ring modulator, sample & hold.
ROLAND MODEL 103 - 4 channel audio mixer with mono effect send/returns and a built in spring reverb.
ROLAND MODEL 104 - 12 x 2 analog step sequencer with plenty of control in/out options. http://www.rolandcorp.com.au/blog/roland-icon-series-system-100/
Transaudio ProCase 6 - $44
(1976) Melbourne made analog modular styled synthesiser featuring 6 oscillators, 4 filters, 3 envelopes, 2 noise generators, ring mod, random voltage generator, 10 step sequencer, pitch-to-voltage converter and spring reverb. The system is orientated around a central pin matrix where all connections (audio & CV) are made by inserting pins to complete connections. This is one of three instruments in existence and it’s creation was inspired by the VCS3 and Synthi 100. An incredibly rare and unique instrument developed and built here in Melbourne in 1976.
SEQUENTIAL CIRCUITS PROPHET 10 - $44
(1981-1982) 10 voice analog polyphonic synthesiser featuring 20 oscillators, 2 x 61 note keyboards, sequencer and cassette storage. Featuring split or stackable voice modes allowing traditional voice splitting between upper and lower keyboards or stack all 20 oscillators into a single monophonic voice for an unbelievably rich sound. This is by far one of the biggest sounding polyphonic synthesiser of it’s time and insanely fun to play. http://www.davesmithinstruments.com/about/
Rhodes Chroma with The Enabler - $44
"Quite a rare analog synthesizer from the early 1980's (only 3,000 made). The Chroma was originally an ARP project. However Rhodes picked it up after ARP dissolved in 1981. Rhodes, best known for its Electric Pianos released the Chroma (and Chroma Polaris) as their premiere analog synthesizers. The Chroma has 16 voices with 1 oscillator per voice (or 8 voices with 2 osc/voice), a 64-note velocity sensitive weighted keyboard, and a very complicated but powerful synthesis design." via Vintage Synth Explorer.

The ENABLER is a custom made 95-knob dedicated MIDI controller for the CC+ equipped Rhodes Chroma. It is designed to provide a logical, intuitive improvement to the user interface of the original instrument.

Eurorack

MAKE NOISE Black and Gold Shared System - $44
(2015) Modern hybrid analog/digital eurorack modular synthesiser bringing together all of Make Noises synthesis techniques into one system - analog FM to voltage controlled granularization. Get lost in a modern dream machine. http://www.makenoisemusic.com/systems/shared-system
The Generator (Doepfer Modular A100 Case) - $44
Curated by Keith Fullerton-Whitman, this Doepfer modular case features a whole bunch of Rev. 1 classic Doepfer modules. Used by KFW himself in his early work with Eurorack modules this A100 case contains the following modules:
A-111-1 VCO 2 High End Oscillator, 3 x A-110 VCO Standard Oscillator, A-135-1 VCMIX Voltage Controlled Mixer, A-144 MC Morph Controller, A-112 SAMPLER VC Wavetable/Sampler, A-143-3 Quad LFO, Intellijel Buff Mult Buffered Multiple, A-183-2 Offset Gen./Atten./Polarizer, A-156 Dual Quantizer, Plan B Model 23 Analogue Shift Register, Intellijel uStep sequencer, Stg/Soundlabs .vca Voltage Controlled Amplifer, Stg/Soundlabs .shn Sample & Hold/Noise, A-188-1D BBD Delay Module, A-199 Spring Reverb, A-174 Joy Stick Module.
HOEM #1: Roland, MiniMod, Malekko, Bubblesound, QU-Bit - $44
https://www.modulargrid.net/e/racks/view/232539

Roland 512 VCO
Roland 521 VCF
Roland 530 VCA
Roland 540 ENV/LFO
Roland 572 Phase Shifter
MiniMod AJH Synth ­ Contour Generators
MiniMod AJH Synth ­ Glide + Noise
Mutable Instruments Yarns
MiniMod AJH Synth ­ Vintage Transistor Core VCO
MiniMod AJH Synth ­ Vintage Transistor Core VCO
MiniMod AJH Synth ­ Vintage Transistor Core VCO
MiniMod AJH Synth ­ Transistor Ladder Filter VCF
MiniMod AJH Synth ­ Discrete Cascaded VCA
MiniMod AJH Synth ­ Discrete Cascaded VCA
MiniMod AJH Synth ­ Contour Generators
Malekko Heavy Industry Richter NoiseRing
Bubblesound VCOb Version 2
Bubblesound VCOb Version 2
Bubblesound uLFO
Bubblesound LVL+RM
Bubblesound Dual SeM20 Filter
Bubblesound dlADSR
Bubblesound VCA4p
Bubblesound Mix B
Make Noise Rosie
Malekko AD/LFO
Malekko Performance Buffered Mult (MLT)
Malekko Heavy Industry Invert Mix (IMX)
Malekko Heavy Industry Mute 4 (MTE 4)
Malekko Heavy Industry Noise
Malekko Heavy Industry Mix 4
Malekko Heavy Industry Varigate 4v
QU-Bit Electronix Tri­ger
QU-Bit Electronix Octone
QU-Bit Electronix Octone
QU-Bit Electronix Nano Rand Silver Faceplate
QU-Bit Electronix EON
QU-Bit Electronix Nebulae v1.1 with Silver Panel
QU-Bit Electronix RT60 (Silver)
HOEM #2: Sputnik, Circuit Abbey - $44
https://www.modulargrid.net/e/racks/view/235268

Sputnik Modular 5­Step Voltage Source (Shaft Knobs)
Sputnik Modular Selector
Sputnik Modular Quad Function and Trigger Source
Sputnik Modular CV Processor
Sputnik Modular West Coast Random Source
Intellijel uMidi
Sputnik Modular Multi­Touch Keyboard Controller
Sputnik Modular Dual Oscillator
Sputnik Modular Oscillator
Sputnik Modular Oscillator
Sputnik Modular QUAD VCF/VCA
Sputnik Modular Valve Multiplier
Sputnik Modular Four­Tap Delay and Dual Crossfader
Sputnik Modular EF/PreAmp
Circuit Abbey Unify Input Expander
Circuit Abbey Unify
HOEM #3: Intellijel, XAOC - $44
https://www.modulargrid.net/e/racks/view/207296

Intellijel uStep (version 2.0)
Intellijel uScale II
Intellijel OR
Intellijel Metropolis
Intellijel uStep (version 2.0)
Intellijel Quadra Expander
Intellijel Quadra
Intellijel Buff Mult (BM)
Intellijel Polaris
Intellijel uVCF
Intellijel Mult
Intellijel Audio Interface II
Intellijel uMidi
XAOC Poti
XAOC Batumi
Intellijel uVCA II
Intellijel Triatt
Intellijel Planar
Intellijel Dual ADSR
Intellijel Linix
Intellijel Mutamix
Intellijel uJack
Intellijel Dixie II+
Intellijel Dixie II+
Intellijel Rubicon
Intellijel uFold II
Intellijel Triatt
Intellijel Dixie II
Intellijel uMod II
Intellijel Azimuth II
Intellijel Korgasmatron II
Intellijel ?
Intellijel Springray Reverb
Intellijel Quadra Expander
Intellijel Quadra
Intellijel Dr. Octature II
Intellijel Cylonix Shapeshifter v1.04
Intellijel Mult
Intellijel Buff Mult (BM)
Intellijel Rainmaker
HOEM #4: The Harvestman, Snazzy FX, Waldorf - $44
https://www.modulargrid.net/e/racks/view/232540

Mutable Instruments Yarns
The Harvestman Kermit
The Harvestman Tyme Sefari MKII
The Harvestman A Sound Of Thunder MKII
The Harvestman Malgorithm MKII (Firmware V1.5)
The Harvestman King Slender
Waldorf NW1 Wavetable Module
Steady State Fate (SSF) Mixmode
The Harvestman Polivoks VCG MKII
The Harvestman Polivoks VCG MKII
The Harvestman Polivoks Modulator
The Harvestman Polivoks ?
The Harvestman Polivoks VCA/Env
The Harvestman Polivoks VCF
The Harvestman Polivoks Modulator
The Harvestman Polivoks VCA/Env
The Harvestman Black Locust
Make Noise Rosie
Snazzy FX Ardcore
Snazzy FX Ardcore Expander
Snazzy FX Dreamboat
Snazzy FX Chaos Brother
Snazzy FX Dronebank
Snazzy FX Tidal Wave
Snazzy FX Telephone Game
Snazzy FX Wow and Flutter
The Harvestman Piston Honda MKII (Firmware v2.0)
The Harvestman Hertz Donut MKII (Firmware V2.0)
The Harvestman Stillson Hammer MK2
The Harvestman Double Andore mk2
The Harvestman Zorlon Cannon MKII (Firmware 1 V2.0)
The Harvestman Miggs
HOEM #5: Verbos - $44
https://www.modulargrid.net/e/racks/view/259710

Verbos Multiple
Verbos Random Sampling
Verbos Sequence Selector
Verbos Amplitude & Tone Controller
Verbos Scan & Pan
Mutable Instruments Yarns
Verbos Touchplate Keyboard
Make Noise Rosie
Verbos Complex Oscillator
Verbos Complex Oscillator
Verbos Harmonic Oscillator
Verbos Voltage Multistage
Verbos Multi-Envelope
Verbos Amplitude & Tone Controller
Verbos Dual Four Pole
Bastl Rumburack - $44
Bastl Rumburack system comprising:
Quattro Figaro
Skis
A B C
Tea Kick
Cinnamon
GrandPA
M
Little Nerd
CV Trinity
Skis
P
(Noise)
Tea Kick
Spring
Knit Rider
Moog Mother 32 - $44
https://www.modulargrid.net/e/racks/view/348578

2 x Moog Mother 32
Soundmachines LS1
Synthrotek Echo
Make Noise Maths
Future Sound Systems FIL-1 Convulsion Generator
Roland SCOOPER
Tiptop Audio uZeus

Machines

Acetone Rhythm Ace - $44
One of various models of solid-state drum machines introduced starting in 1964 under the Ace Tone brand. Ace Tone was established in 1960 by Ikutaro Kakehashi, who later established the more influential Roland brand. Some of Ace Tone’s products were distributed by the Hammond Organ Company, and also under the Multivox imprimatur.

The Rhythm Ace FR-1 provides a push-button selection of factory-programmed dance styles (such as Cha-Cha, Western, and Beguine), and allows some possibility to turn various instruments of the drum kit on and off. It is an analog device that uses filters to process periodic waveforms and noise to create approximations of snare drum, maracas, bongos, cowbell and other sounds. Selected rhythms may be combined to create more complex syncopations.

Ace Tone Rhythm Ace FR-1 Vintage Drum Machine Demo
https://www.youtube.com/watch?v=P6AxpKnSFL8
ARP Odyssey MKIII - $44
(1978) 37 key Duophonic analog synthesiser. A simplified hard wired version of the Arp 2600 without the spring reverb and external patching possibilities. You will find immediate satisfaction here. http://www.arpsynth.com/en/about/
Buchla Music Easel - $44
The new incarnation of the 1973 Buchla Music Easel is a portable, performance-oriented instrument as close as possible to the original. We have used the same circuits, mechanical design and graphic theme that made the original an ergonomic dream to grab hold of and create organic electronic music from the soul.

The Music Easel is comprised of 2 units: a 218 Touch Keyboard Controller and a 208 Stored Program Sound Source, both housed in a rugged carrying case. Together these modules allow both real-time control from the keyboard pads, knobs, sliders, switches and patch points. Additionally the Music Easel supports the included original Program Cards (user-defined presets using resistors, 1973-style!) as well as future interface cards with more modern patch storage/editing/control/interfacing.
Dubreq Super Stylophone - $44
The Dübreq Super Stylophone 350S, an advanced model dating from 1971, is an outgrowth of a British toy instrument dating from 1967. Early Stylophone models were battery-powered monophonic one-oscillator instruments with a static "keyboard" etched onto printed circuit material, and were played with a metallic stylus that was provided.

The Dübreq Super Stylophone 350S has a three octave etched-metal keyboard, an analog signal path that includes a 12 dB-per-octave variable filter, multiple audio oscillators, various presets with different tone colors, several LFOs, and a partridge in a pear tree. Unique features include a light sensor that can be modulated by simple hand gestures to control filtering or vibrato depth, and reiteration (metronomic repetition) of sounds.

The Stylophone product line has a lengthy history, and diverse artists have used the various models including David Bowie and Kraftwerk. The umlaut for the "u" was added to imply German precision!

1977 Dübreq Super Stylophone 350S Demo
https://www.youtube.com/watch?v=EL8PH9Fx0hw

Rolf Harris vintage flexi disc of Stylophone demonstration
https://www.youtube.com/watch?v=7nrqCLOZJaA

Dübreq homepage
http://www.dubreq.com/

Stylophone entry from 120 Years of Electronic Music
http://120years.net/dubreq-stylophone/
EMS Vocoder 2000 - $44
Electronic Music Studio's analog 16-channel vocoder from 1977 provides two mirror image sets of 16 band pass filters with identical center frequency tunings, 16 variable slew rate envelope followers in the Analysis section, and 16 voltage controlled multipliers in the Synthesis section. It also includes an internal oscillator and noise source. Fluctuating Analysis data may be frozen, or held indefinitely to provide unusual effects.

The EMS Vocoder 2000 is a channel vocoder (from voice coder), a processor that impresses the timbral fluctuations and articulations of an external program signal-your voice into a mic, for instance-onto the pitch of a selected carrier signal-for example the audio output of any electronic musical instrument. This makes it possible to "make that synthesizer, drum machine, sampler, what-have-you talk!"

The channel vocoder was developed by Homer Dudley at Bell Labs, USA during the late 'thirties in an attempt to increase the number of telephone conversations that could be transmitted simultaneously on a single wire.
The vocoder was preceded by Dudley's Voder, a performance instrument that was played by a cadre of female performers who trained to present the instrument at the 1939-1940 World's Fairs in New York City and San Francisco, CA. They literally made it talk! And sing. But, not dance.

A channel vocoder stands in contradistinction to Mark Dolson's phase vocoder, developed circa 1986. The phase vocoder uses digital Fast Fourier Transform (FFT) algorithms to scale both frequency and time domains of audio signals. This makes it possible to change pitch and duration of audio signals independently, unlike a tape recorder or simple sampling, where duration and pitch are necessarily integrated. Such digital techniques are sometimes called "granulation," but granular synthesis is a distinct synthesis engine, albeit somewhat related to granulation techniques.

The vocoder is sometimes mistaken for the older Sonovox, Heil Talk Box, or the contemporary software application Auto-Tune.

Some musical highlights of channel vocoding include those due to Wendy Carlos, Imogen Heap, Kraftwerk, and Daft Punk.


Wendy Carlos on the Channel Vocoder and More
http://www.wendycarlos.com/vocoders.html

Kraftwerk - The Robots
https://www.youtube.com/watch?v=3HiRjblCypw

Daft Punk - Harder, Better, Faster, Stronger
https://www.youtube.com/watch?v=yydNF8tuVmU

Imogen Heap - Hide And Seek
https://www.youtube.com/watch?v=UYIAfiVGluk

The Phase Vocoder: A Tutorial
http://www.jstor.org/stable/3680093?seq=1#fndtn-page_scan_tab_contents
EMS VCS3 Mk. I - $44
(1969) 3 oscillator analog synthesiser from the UK. A powerful cosmic machine which will take you into the stratosphere. This is your Silver Machine! http://emssynthesisers.co.uk/emsprods.html
EMS VCS3 Mk. II - $44
(1969) 3 oscillator analog synthesiser from the UK. This is the updated and revised version of the Mk. 1. A powerful cosmic machine which will take you into the stratosphere. This is your Silver Machine! http://emssynthesisers.co.uk/emsprods.html
EMS Synthi A (AKS) - $44
(1971) 3 oscillator analog synthesiser featuring a 30 key touch sensitive membrane keyboard and early 256 event digital sequencer. This is the the VCS3 redesigned to fit into a portable suitcase. The AKS denotes that this is the version that comes with a keyboard and sequencer built into the lid. The ultimate portable cosmic machine. http://emssynthesisers.co.uk/emsprods.html
KORG MS 50 - $44
Single oscillator patchable expander module. Keyboard-less module designed to complement the MS 20. http://www.vintagesynth.com/korg/ms50.php
KORG MONO/POLY - $44
(1981-1984) 44 key, 4 oscillator monophonic/polyphonic analog synthesizers featuring chord memory, arpeggiator and sequencer. http://www.vintagesynth.com/korg/mopo.php
KORG Polysix - $44
(1981) 5 octave, 6 oscillator analog polyphonic synthesiser featuring chorus, phase and ensemble effects as well as a sequencer capable of sequencing chords. http://www.vintagesynth.com/korg/poly6.php
KORG MS20m - $44
(2014) Modern reinterpretation of the classic 1978 MS20. Improved functionality on the original. Desktop format, no keyboard. http://www.korg.com/us/products/dj/ms_20mkit/index.php
KORG MS 20 - $44
(1978) 3 octave, 2 oscillator monophonic synthesiser with hard wired and patchable connections. A very gritty vintage mono synth. http://www.korg.com/us/products/synthesizers/ms_20mini/page_3.php
Mellotron D MINI 4000 - $44
With 100 sounds from numerous Mellotron and Chamberlin models built in from high quality 24 bit digital uncompressed original sources. A custom built full Mellotron style wood keyboard with depth sensitivity and polyphonic aftertouch out via MIDI. The front panel user interface has 2 TFT-displays of high quality and are capable of showing pictures of the actual instruments.
MOOG Etherwave Theremin - $44
The Plus of the Moog Etherwave Theremin extends this instrument into the realm of functioning as a CV/Gate controller. The Etherwave Plus has the same sound engine of an Etherwave model, but provides separate control signal (CV) outputs for each antenna, and Gate (Trigger) output as well. The Etherwave Plus allows CV/Gate keyboards and/or analog voltage-controlled modules to function under theremin control.

The theremin was developed by the Russian Lev Termen in 1919, whose name was Gallicized to Leon Theremin during his successful concerts in France in the late 'twenties. The instrument is played without being touched, by moving one’s hands into electromagnetic fields surrounding pitch and loudness antennae. The theremin enjoyed a vogue in film scores during the 'forties and 'fifties, although it appears in more-recent underscores.

The earliest virtuoso performers on the instrument were female, a tradition that continues. Clara Rockmore, Lucy Bigelow Rosen, Pamelia Kurstin (theremin walking bass not to be missed), Carolina Eyck, Dorit Chrysler, and Katica Illényi are exemplary of this tradition.

The Nadia Reisenberg and Clara Rockmore Foundation
http://www.nadiareisenberg-clararockmore.org/clara_biography.htm

Rare Lucy Bigelow Rosen Theremin Recording
https://www.youtube.com/watch?v=qjKUXn3WI2E

Carolina Eyck Website
http://www.carolinaeyck.com/pages/en/news.php

Pamelia Kurstin TED Talk
https://www.ted.com/talks/pamelia_kurstin_plays_the_theremin?language=en

Dorit Chrysler Website
http://www.doritchrysler.com/toc.html

Katica Illényi - Ennio Morricone’s Once Upon a Time in the West
https://www.youtube.com/watch?v=lY7sXKGZl2w
MOOG Mother 32 - $44
(2014) Tabletop semi modular eurorack styled single oscillator analog synthesiser featuring on board keyboard sequencer and plenty of in/out patch points to connect up with other CV equipment. http://www.moogmusic.com/products/semi-modular/mother-32#specs-tab
MOOG Sonic 6 - $44
(1972-1979) Duophonic analog synthesiser housed in a portable briefcase featuring 2 oscillators and a 49 note keyboard. http://www.vintagesynth.com/moog/sonic6.php

MOOG Voyager "Old School” - $44
The Old School model may look, at first glance, like an updated version of the venerable Minimoog Model D. Its mixer section reveals the same five audio sources: 3 oscillators, noise, and an External Input. But, if the Old School is a descendant of the Minimoog, it is a Minimoog on steroids: dual high pass & low pass filters with band pass capabilities; stereo VCAs; complete ADSR envelope generators; two modulation busses routing an augmented number of controllers to an increased number of destinations; and a rear panel with 11 control inputs, effects loop insert point, 3 Gate inputs, and stereo audio outputs. That's not your grandfather's Minimoog!

The Voyager Old School provides not only a rich Moog multi-oscillator sound, but it is also an instrument that bridges the gap between hard-wired and modular systems, given its Input/Output connections. Its 44 note keyboard is sufficiently long that the Old School might perform as a keyboard controller for a Moog 900 Series Modular System, particularly given the wealth of inputs and outputs on the Voyager. And, unlike the original Moog Modular System Keyboard Controllers, it would do so with keyboard velocity and force (incorrectly called "pressure") sensitivity. Not just sound but sensitivity.

Minimoog Voyager Old School Website
http://www.moogmusic.com/products/minimoog-voyagers/minimoog-voyager-old-school#specs-tab
MOOG Source - $44
(1981-1985) 37 key, monophonic analog synthesizers featuring 2 oscillators, filter, envelope and a sequencer. Parameters are controlled and accessed via the flat panel membrane buttons and a large weighted master knob. Not like any other Moog instrument. http://www.vintagesynth.com/moog/sourc.php
Поливокс (The Polivoks) - $44
From Wikipedia: The Polivoks (also occasionally referred to as the Polyvox) (Rus.: Поливокс) is a duophonic, analog synthesizer manufactured and marketed in the Soviet Union between 1982 and 1990. It is arguably the most popular and well known Soviet synthesizer in the west, likely due to the uniqueness of both its appearance and sound.
ROLAND SH1000 - $44
(1973-1981) Roland’s first portable analog monophonic synthesiser. Features a 3 octave keyboard and 10 presets which allow for immediate access to rich sounds which can be shaped and modified using the filter, envelope and waveform select switches, sliders and knobs. http://www.vintagesynth.com/roland/sh1000.php
ROLAND SH 101 - $44
(1982) 32 key, monophonic analog synthesizers. Features a single oscillator, arpeggiator, portamento and loads of sliders to modulate filter and envelope parameters. The ultimate techno synth. http://www.vintagesynth.com/roland/sh101.php
ROLAND CR68 - $44
Preset analog rhythm machine offering a selection of pre programmed rhythms with a ‘fill in’ button to add variation. http://www.vintagesynth.com/roland/cr68.php
ROLAND TR 606 - $44
(1981 -1984) Classic analog drum machine offering 7 analog drum sounds for your sequenced beats. http://www.vintagesynth.com/roland/606.php
ROLAND TR 808 - $44
(1980-1983) Classic analog drum machine featuring 16 analog drum sounds able to be programmed via the on board sequencer. The 808 is synonymous with the hip hop/techno generation and its voice still remains the most widely used in popular music today. http://www.rolandcorp.com.au/blog/tr-808-drum-machine-flashback/
ROLAND TR 909 - $44
(1984) Classic House /Techno drum machine featuring analog drum sounds (except cymbal/hi hats which are 6 bit samples), on board 16 step sequencer and various controls for modifying pitch and decay. http://www.vintagesynth.com/roland/909.php
ROLAND JUNO 6 - $44
(1982)5 octave, 6 voice analog polyphonic synthesiser featuring 6 digitally controlled analog oscillators which offers pitch stability without losing analog warmth. The beauty of this machine is the added ‘Chorus’ effect which gives it that Juno signature sound. http://www.vintagesynth.com/roland/juno6.php
ROLAND TR 707 - $44
(circuit bent) (1984) Sample based drum machine featuring 15 x 12 bit sounds able to be programmed via the on board sequencer. This machine was widely used by Acid House producers in the early 90’s. This particular machine has been modified to receive external control signals which makes for exciting and unexpected modulations to standard beat programming. http://www.vintagesynth.com/roland/707.php
ROLAND JUPITER 6 - $44
(1981) 5 octave, 8 voice analog polyphonic synthesiser featuring complex arpeggiation, keyboard split, and that famously rich Roland polysynth sound. http://www.vintagesynth.com/roland/jup6.php
ROLAND JUPITER 8 - $44
From vintagesynth.com :

"The Jupiter-8 was Roland's first truly professional analog synthesizer. The Jupiter-8 features 16 rich analog oscillators at 2 per voice, eight voice polyphony and easy programming! At eight voices you can get some pretty thick analog sounds. Easy and intuitive programming via front panel sliders, knobs and buttons for all your tweaking needs. The legacy of the Jupiter synthesizers is due to their unique voice architecture and design, creating sounds that were so unreal and amazing that they have to be heard! No other synths in the world can create analog sounds as cool and authentic as these.

The Jupiter-8 was the biggest and fattest of them all (Jupiters and Junos)! It was one of the first synths to allow its keyboard to be split and layered - it's eight voices of trance heaven! Cross-mod, oscillator sync, a great LFO and a classic arpeggiator are also on-board. There's also a killer resonant analog low pass filter, same as the Juno-6 / 60, with the added option of choosing 2-pole (12 dB/oct) or 4-pole (24 dB/oct) modes as well as a separate high-pass filter. Unfortunately for the earlier models, tuning was very unstable but that seemed to be resolved in later models. Unlike its smaller counterpart, the Jupiter-6, the Jup 8 does not feature MIDI, only Roland's DCB sync can be found on some models. However, MIDI retro-kit's are available from various companies. Patch presets can store keyboard splits, arpeggiator settings, voice assign mode, hold, portamento and modulation settings."
STEINER PARKER SYNTHACON - $44
Nyle Steiner, inventor of the Electronic Woodwind Instrument (EWI) and Electronic Valve Instrument (EVI), designed and sold the Steiner-Parker Synthacon during the last half of the 'seventies. It was intended to compete with the Minimoog. Most Synthacons are typical analog voltage-controlled designs, although there is a 2 note (duophonic) model, and a version that arpeggiates multiple notes depressed on the keyboard. A unique feature of all Synthacons is the multimode filter with variable band pass, high pass, and low pass functions. A sample and hold is found on some versions.

A sample and hold (SAH) is a module or circuit with one output, and two inputs: (1) an input for various waveforms to be sampled; and (2) a clock input. An internal Low Frequency Oscillator (LFO) is sometimes included in the SAH, and this LFO "clock" is connected internally to the clock input. There may or may not be a jack for connecting an external clock signal.

The clock determines the speed at which samples are taken, and is typically operated in LFO range. The sampled waveform typically is low frequency as well. When each clock cycle reaches a point determined by the designer, the voltage level of the sampled wave is sampled, and that level is held until the next and ensuing clock cycles occur, and the process is repeated. The output signal typically looks like a metronomic succession of DC voltage "steps" similar to the CV output signal of a monophonic analog keyboard. The SAH signal may be used in lieu of, or in conjunction with the keyboard, or it might be used to control, e.g. the cutoff frequency of the filter. A sample and hold's output produces a general-purpose signal that might be connected to any control input in a modular system. When noise is sampled, a series of random voltage steps is produced at the internal (or external) clock rate.

Steiner-Parker Synthacon Front Panel Photo
http://www.patchmanmusic.com/Steiner_Photos/SteinerSynthaconFront.jpg

Steiner-Parker Synthacon Rear Panel Photo
http://www.patchmanmusic.com/Steiner_Photos/SteinerSynthaconBack.jpg

Steiner-Parker Synthacon demo
https://www.youtube.com/watch?v=fBVqsNJh2vg&spfreload=10

The Nyle Steiner Homepage Patchman Music
http://www.patchmanmusic.com/NyleSteinerHomepage.html

(The Late) Richard Lainhart - What is a Sample and Hold?
https://www.youtube.com/watch?v=t3tVWsQRiZ8
TRANSAUDIO 3 OSC MODULE - $44
TRIADEX MUSE - $44
This tabletop digital system developed in 1972 by MIT professors Marvin Minsky and Edward Fredkin was more an experiment in deterministic sound generation and artificial intelligence than a musical instrument. It directly outputs lengthy repeatable sequences of pitched tones when programmed.

Eight 40-position slide pots act in lieu of a keyboard to alter binary logic circuits, and this digital signal is passed through a digital to analog (DA) convertor to create a sequence of audible tones. Some claim the Muse is producing "random" sequences, but those sequences are totally determined by Interval, Theme, and selected note name settings of the sliders. There are Volume, Tempo, Pitch, and Fine Pitch controls as well.

Muse by Triadex found acceptance by various avant-garde musicians, particularly in Philadelphia, although evidence of extant musical works is scant. Maryanne Amacher composed "eartone" music with the Muse during her tenure at the MIT Center for Advanced Visual Studies.

Engadget Music Thing Feature
http://www.engadget.com/2004/11/27/music-thing-the-triadex-muse/

Vintage Synth Explorer Entry
http://www.vintagesynth.com/misc/triadex_muse.php

Demonstration Video: The Triadex Muse in Action
https://www.youtube.com/watch?v=YZVyl8HkxWU
YAMAHA CS30 - $44
(1977) Monophonic synthesiser featuring 2 oscillators, multi band filter, lfo and ring modulator. It is hard wired for easy sound creation but has the option to override the standard signal flow via a series of switches which can re route the oscillators opening up more complex sound design possibilities. http://www.vintagesynth.com/yamaha/cs30.php
Wasp Deluxe - $44
The Wasp is a quirky little synthesizer that, despite its toyish look, is a quality instrument capable of fun and funky analog sounds. It really is black and yellow too, just like the insect it is named after. Probably its most distinguishing feature is the 2-octave keyboard which uses non-moving touch-sensitive keys. The flat little keys are sensitive only to your electro-static touch. It's a nifty technology for 1978, but in reality they are unreliable and difficult to play. Other unique touches include a little speaker built-in to the synth and EDP's own pre-MIDI connector ports for linking it to other Wasps and EDP gear.