1977 SLM Concert Spectrum Vintage Analog String Synthesizer SN 1551

Note: links to listings are affiliate links for which the site may be compensated. SLM Concert Spectrum Stereo Analog String Brass Piano Harpsichord Synthesizer

Published on Apr 26, 2015 keyboard resource

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"Condition: Works good. Bottom-left corner is cracked. Includes metal legs and crossbar. The legs may be missing parts to keep it from tilting. I'm not sure as I've never seen a picture of the complete package. See pictures.

The SLM (St. Louis Music) Concert Spectrum is an extremely rare, stereo analog string/brass/piano synthesizer from the mid-1970's.

Famously used by Richard Tandy of The Electric Light Orchestra. It is mention in this excerpt from a December 1978 Keyboard magazine article: 'Richard's collection of onstage instruments consists of a Hohner Clavinet, a Polymoog, a Yamaha CS-80 synthesizer, a Mellotron (called "Old Faithful" by Tandy), a seven-foot Yamaha grand piano, and the Wutlitzer. In addition to these, the band carries several back-up keyboards - an extra Mellotron, two spare Wurtlizer electric pianos, a Minimoog, and an SLM Concert Spectrum string synthesizer - in case any of the front-line instruments malfunction.'"

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Vintage 1978 Muson Synthesizer Sequencer SN 41486 w/ Original Box

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"Fully functional vintage 1978 Mego Corp Muson Synthesizer, with original box.
All the sequencer pegs/pins are included and has no battery leaking inside of the battery slot.
Everything is in working condition, the box is in fairly good condition for its age but still has seen better days, as well as the label on the front of the synth which has slightly discoloured from age.
[As seen in the pictures]

This is a really rare and sort after toy synthesizer which is capable of making some pretty incredible experimental video game/arcade, robotic, spacey sounds.
The internet description going around for this thing says: ''Kind of a ROLAND TB-303 but much cooler & cheaper - still cheaper...''

The box says:
"The sound of music. An electronic and music synthesizer. You can play a tune or make the strangest sounds in the galaxy.

Play dozens of simple tunes on the piano-type keyboard. Or make strange and spacey rhythms on the color-coded electronic board. Play them together for Rock 'N Roll sounds, eerie sounds, or outerspace electronic music. Separate slide levers, change the pitch and tempo. Experiment with thousands of combinations of sound. "

Description:
The coloured buttons can be used to change the melody and rhythm. Each color has a different note.
The speed and pitch of the sequence can be changed with sliders on either side of keyboard.
The coloured pegs/pins above the keys operate the built-in sequencer. Each colour represents a note on the keyboard.
The keys play just over an octave of whole notes.
A unique vintage music toy from 1978.
Requires 4 - C batteries that are not included (placement of batteries go under the 'Muson' cover on top of the machine."

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YAMAHA CS-30 SN 3058

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BLUE Vintage ROLAND SH-101 SN 310244

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"Absolutely beautiful SH-101 in the rarest of custom colors. Perfect working order, not a single issue. Tested Perfect with adapter (universal adapter included free) and batteries OK!
Please see pics for details......"

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ROLAND JUNO 106 Analog Synth (Pro Serviced) w/ Kiwi Upgrade & Walnut end Cheeks

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"It has recently been completely serviced by the Synthspa, so you can be sure that the voice chips are all completely restored and won't fail. I've also upgraded it to have beautiful wood cheeks, but I will include the original end cheeks in the package as well.

This one comes with the KIWI-106 hardware/software upgrade installed, which means it sports an expansive range of functionality that takes the 106 to the next level (see below). That said, I will include the original board for the 106 with this, in case you want to swap out of the Kiwi upgrade (no idea why you'd want to do that, though!).

The Kiwi106 Upgrade features:

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TEISCO 60f Synth

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Roland SH-09 SN 790953

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Pulser Synpuls SD1 Drum Synth Set of 4

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"Up for sale is our set of 4 Pulser Synpuls SD1 drum synthesisers complete with cables, mounting brackets and original case.

These are made in Japan by Hillwood and are identical to the JHS Pro Rhythm SD1 units."

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MODULAR MANDALAS / ANUSHRI MUTABLE 01

Published on Nov 28, 2016 OCTON

"A sunday afternoon improv' mainly whith this HUGE litte analog synth (but whith a DCO , & many, many more) : Anushri ( MUTABLE INSTRUMENTS) : SEQ + generative drums- EURORACK on lead/pad.
OCTON :
MORE INFOS & MUSIC / https://soundcloud.com/user-704389598"

via Mutable instruments on the Anushri:

"Built-in sequencer and arpeggiator

Anushri’s built-in arpeggiator easily transforms chords into complex basslines and acid patterns with accent and slides. But the real fun starts when you use the built-in sequencer. Its interface is refreshingly simple: press rec, input notes on the MIDI keyboard or press the rest/tie buttons, press rec to finish, then start. The sequence can even be transposed from the keyboard.

Built-in drum machine

Anushri comes with a truly original rhythmic section. Original in sound, using 8-bit analog-style synthesis with integrated bit-crusher (What? A 707 sampled through a Mirage?). Original in interface, since it is “programmed”, or rather sculpted with knobs rather than x0x style switches and LEDs. How does it work? 2 knobs control morphing through different structures of drum patterns, and 3 knobs control how sparse/dense the pattern is for bass drum/snare drum/hi-hat, allowing you to create fills and variations at the twist of a knob."

Live Synthesizer Jam 55 : Teenage Engineering PO-12, Microkorg, Nexus 2, Sylenth1, GarageBand.

Published on Nov 29, 2016 Todd Smith

"Band Camp Link - https://toddsmithmusic.bandcamp.com/

This is a early version of a work in progress. I plan to play with muting and add variations in the piano sound. I'm thinking of using hardware synths with the same midi sequence as the piano for the 2nd 1/2 of the song.

I'm using a build up I've used many times in previous hardware jams but using Ableton to expand the idea. Again, this is a very early version. The idea will be expanded and worked on a lot more in the future.

The current version is all VST synthesizer sounds. The VST's used are Nexus 2, Sylenth1 and Garage Band. Teenage Engineering PO-12 is layered for the drums. I plan on adding more hardware sounds into the next version.

All sequencing and effects comes from Ableton Live. Effects are all Waves VST and include the SuperTap6 9 (Delay) IR1 (Reverb) and Infected Mushroom Pusher.

Korg Microkorg ( used as midi controller )

Teenage Engineering PO-12
Behringer Micromix MX400
Tascam US-144mkII Audio Interface
Waves Effects
Sylenth1 VST
Nexus 2 VST
GarageBand
Ableton Live 9"