MATRIXSYNTH: exclusive2018

Showing posts with label exclusive2018. Show all posts
Showing posts with label exclusive2018. Show all posts

Sunday, December 30, 2018

Vintage 1970s Oberheim Studio Amplifier w/ Phasor for Synthesizer

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Here's something you don't see everyday. This might be the first one to be featured on the site.  Kind of interesting to see classic Oberheim knobs in off white.

Details from the listing:

"Comes as seen
Great used shape.
The unit powers on sounds very good
Phasor effects working good
all original, w/ original speaker
Pots and Speaker date to 1976
Very rare Synth amp. serial # 0028
you probably will not see one on ebay soon - so don't miss out
has an Old Oberheim sticker on the side panel " Some things are better than others"
see all pictures for condition
not a large amp - 14" T x 11" W x 7" Deep.
8" speaker"

Thursday, December 20, 2018

Welson 4 Oscillators Prototype... randomizing!

Published on Dec 20, 2018 VSMI

"the Beast... Made in Italy by Welson"


Just when you think you've seen it all... Another vintage synth never featured on the site until now. Check out the Welson label below for other models by them.

A Night at the Studio

Published on Dec 20, 2018 Riccardo Pietroni

I believe this is the first post to feature a demo of the CRB Vocostrings. Vocostrings has only been mentioned once before in this post. This is the first time many of us are likely hearing one. Pretty cool.

"Some wine and our favorite italian vintage synths. On the keyboards Gianfranco Stortoni.
Crumar Ds2 and Dp50, Elka Synthex, Crb Vocostrings, Siel Cruise."

Monday, December 10, 2018

Technos Acxel Additive Synthesizer Sequenced By Elektron Digitakt

Published on Dec 10, 2018 Perfect Circuit

"All of the sounds are coming from the rare and bizarre Technos Acxel additive synthesizer in multitimbral mode. Even the intro sound was resynthesized by the Acxel. We used an Elektron Digitakt as a sequencer to sequence six of the voices of the Acxel. The Acxel was designed in 1989 and was cutting edge technology at the time with its multiple voices which each have 32 additive "cells" and the ability to analyze four seconds of sound and resynthesize it.

Technos Acxel available here:

Digitakt availabl here:"

Supporters of MATRIXSYNTH get %10 off at Perfect Circuit!

See the Technos label at the bottom of this post for more. Pics and info via Perfect Circuit:

"The Technos Acxel Resynthesizer is an additive synth developed in Quebec, Canada during the late 1980s. Its architecture is based on sine-wave oscillators that are each assigned amplitude and pitch envelopes to form the component harmonics of a sound.

The major innovation of the Acxel was, according to Technos, resynthesis. The idea is to sample a sound and extract its harmonic content using the Acxelizer. This information is then used to assign parameters, including envelopes, to the oscillators.

The Acxel comes in two pieces: the Solitary and the Grapher. The Solitary contains the main guts of the machine, including the main CPU board, the oscillator boards, the sampling board, the Acxelizer board, the floppy drive, and the I/O.

The Grapher is the machine’s user interface and is what Technos highlighted in its advertising. It’s a vacuum-fluorescent display for status information and menus and a surface of touch-sensitive nodules, 2114 of which contain LEDs.


256 ISC configuration, maximum 8-voice polyphony
Includes OS 1.099A and OS 1.12 disks
Includes copies of the original three Technos Sound Library disks
Includes Grapher to Solitary communication DIN cable
Includes flight case with casters for the Solitary"

Friday, November 30, 2018

EMS Synthi E Prototype

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Never seen one before now on the site. This is as rare as it gets.

"This Synthi E has been owned by collector. A unique and 1 of a kind Prototype of the Synthi E. It is just back from a full Pro service/overhaul as it was not used for many years. Sliders / potmeters / switches all working 100%.

Pro Service:
- Psu restoration (rebuilt voltage regulators pcb section)
- External psu (ac custom built)
- Amplifier and mixer fixed
- Lfo influence in VCO section fixed
- Trapezoid generator fixed
- Filter section fixed
- General test and calibrations done
- Cleaning in ands outside

Very fat filter section, 2 ribbon controllers. Separate audio out / Speakers inside + oscilloscope out.
It operates on external PSU (no batteries).

Protected from dust when not in use.
Tested & in Full working order. Sold with invoice & warranty."

Rare Studio Electronics P-Five Rev3.2 - Rack Mount Prophet 5 w MIDI I/O

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Here’s something you don’t see everyday. A custom Sequential Circuits Prophet-5 Rev 3.2 modified into a rack with MIDI by Studio Electronics, the P-Five. Before they made their own synths, they modified classics like the Minimoog into the Midimini, the Oberheim OB-8 into the OBie-Eight, and the Prophet-5 into the P-Five. The P-Five appears to be the rarest of the three followed by the OBie-Eight, followed by the Midimini - at least as far as they come up for sale.

Thursday, November 22, 2018

Italian Vintage Synth - Analog Strings

Published on Jan 19, 2018 Riccardo Pietroni

This is the first post to feature the CRB Voco Strings, Uranus 2 below, and the Milton Gemichord 961

"Five Italian Vintage Synth Strings recorded live with Flat Eq, reverberation and very little Phaser.

Crb Voco Strings
Logan Piano Strings Sintesizer
Milton Gemichord 961
Welson Symphony Stereo
Farfisa Polychrome"

Italian Vintage Synth Crb Uranus 2

Published on May 11, 2018 Riccardo Pietroni

"A test of the polyphonic synth Crb Uranus 2 after the long restoration carried out by Marco Molendi."

Wednesday, November 21, 2018

MC-8 Roland Microcomposer demo VHS tape 1978

Published on Nov 21, 2018 AnalogSynthMuseum

"MC-8 Roland Microcomposer demo VHS tape 1978"

Update via peahix:

"This isn't a demo VHS tape from 1978. It's stolen from my own MC8 demo video, the original of which you can see here [embed below]

The music on my original video was replaced with a piece of music by Ralph Dyck taken from my MC8 blog"

Roland MC-8 Factory Demo Program - Bach Invention #1

Published on Feb 1, 2010 peahix

"This is another of the demo programs provided in the Roland MC-8 manual. This time it's a Bach Invention, played back on a Roland SH-101 synth (not seen in the video). The first part of the video is specifically designed to bore you with stunning footage of me entering the channel 1 CV data for the first 3 pages of the 10-page score. Be thankful that I didn't decide to include the entire CV/Step/Gate data entry process for the entire score. In the 2nd part of the video, you hear the entire mixed piece, played back in sync with the MC-8 displaying the CV data for channel 1.

After posting this video, I was informed that Yellow Magic Orchestra featured this very same demo at the very end of the show during their 1980 world tour. You can hear their version here:

For more info about the MC-8, and to see high-res scans of the score & program data sheets for this piece, please visit"

Tuesday, November 20, 2018

The ARIES 300 Modular- a song

Published on Nov 20, 2018 AutomaticGainsay

"Here is a song created through multitracking the monophonic ARIES 300 modular. All instruments (except drums) were created via patching the ARIES.

This video was funded by the Patreon supporters of Automatic Gainsay. Support the creation of this video and all of the Automatic Gainsay videos that have helped you by becoming an Automatic Gainsay supporter on Patreon!"

Wednesday, November 14, 2018

Silicon Labs MusicKeyboard-EK

Here's an odd find sent in via MATRIXSYNTH reader Kaden who had the following to say about it:

"This isn't really a synth... more of a controller development toolkit apparently, but by far, it's weird. It's a Silicon Labs QuickSense Music Keyboard with accompanying Toolstick [USB] dongle. Aside from the descriptive PDF I've attached, there's no information whatsoever available about it; the site has been wiped clean of all mention, and there's no sign of the requisite software package *anywhere*.

Capacitive keyboard, and the graphics seem to indicate 12 buttons, a slider, and a rotary controller, all capacitive, with a few position indicator leds scattered about, all in a USB powered package about 1/8" thick. I plugged it in and it lights up, but I can't be arsed figuring out how to access it without the dedicated software.

I pulled this out of a gaylord full of scrap salvaged from a company that manufactures radar detectors; I guess one of the R&D grunts there dabbled in music software development."

You can find screenshots of the complete PDF here in this post. The following is from page 4:

"The Music Keyboard application plays musical notes and other sounds whenever a user presses a capacitive sensing key on the Music Keyboard. Figure 4 shows an example of the Music Keyboard application when connected to a Music Keyboard EK. To connect the Music Keyboard to the application, follow these instructions.

1. Run the Music Keyboard application, which is found by clicking StartSilicon LaboratoriesMusic Keyboard App.
2. Click OptionsKeyboard Input... and select the connected Toolstick Base Adapter from the list. The ToolStick Base Adapter will be a device on the list that begins with the letters “TS”.

For detailed instructions describing how to use Music Keyboard Application, see the application’s Help documentation
Note: The Music Keyboard Application uses MIDI sound information that is included with a PC’s sound card. To hear notes when keys are pressed, the PC being used must have the capability of playing MIDI sounds, and the audio must be enabled and audible."

Thursday, November 01, 2018

Uber Rare Emulator Analog Interface

This one is in via Loscha who had the following to say:

"I'm helping a friend clean up and we found this. We're going to try set it up for testing, but it will be for sale ultimately. We're going to hook up the mains, and make sure the CPU still turns over and generates a signal. We don't know anyone in Melbourne with an Emulator to try and pair it up with, though.

Probably the rarest bit of E-Mu kit that's out there. There are very few references to it, and these are the only good quality pictures of it available. Even after it sells, I want to keep the gallery of images, as it's a fascinating bit of weirdness."

Indeed. You'll find some pics of the inside below and at the gallery here.

Rare Analog Roland TR-808 Clone - Drum Line 808Pro Drum Machine Synthesizer Synth

via this auction

Never seen one of these before. Note the Retro Gear Shop is a watermark and not printed on the unit.

"Drum Line 808Pro

This is a very rare Roland TR-808 style clone. It sounds quite awesome and is very fun to use, with a responsive screen that shows parameter change info, stereo panning features on all drum voices, tune-able kick drum, and stereo filters with resonance on the outputs, with midi in/out/thru plus din, individual outputs, stereo outputs & headphone out. A serious DJ electronic producer machine. It's fully functional and sounds amazing. The only functional thing is the reverb knob on the 3 toms does not appear to have much of an effect, otherwise all outputs, knobs, buttons etc work properly. More affordable and feature rich alternative to an 808. Comes with power cable. Operates at 220v, step up 110v - 220v transformer can be included in the sale if needed. Cosmetically it is in great shape with some minor wear on the sides."

Friday, October 26, 2018

Vintage Gambitt TX-70 Modo Synth

Published on May 31, 2018 fernando Costa Tecladista

This is the first post to feature the Gambitt TX-70. Also check out the Gambitt GMX.

Gambitt TX-70 Modo Synth
Tx 70 - sintetizador da gambitt / synthesizer
Outra Vez / Roberto Carlos - Isolda

Monday, October 15, 2018

Vintage & Rare Rhodes Chroma Computer Interface & Manual & Columbus Computer

Note: Auction links are affiliate links for which the site may be compensated.

via this auction

Never seen one of these before. It appears to be a serial buss expansion for computers to use with the Rhodes Chroma synthesizer, with sequencing software. The disks are dated 1982 and from Fender Musical Instruments who took ownership of ARP's assets with the Rhodes Chroma and Chroma Polaris.

Sunday, October 14, 2018

ARP Blue Marvin restoration demonstration - operational tips from CMS

Published on Oct 14, 2018 Phil Cirocco

"This is a short demo video showing some operational tips and nominal volume levels on the ARP 2600. The unit shown is one of the very first 2600s ever made. We recently repaired and restored this beauty to full functionality for a customer. The sound is coming from the 2600 speakers and being recorded by the phone mic. This unit had a partial APU installed since it already had great sounding chips."

Friday, October 12, 2018

Moby's Drum Machines For Sale

Note: Auction links are affiliate links for which the site may be compensated.

You can find them on Reverb here.

Don't miss the video here.

Update: some pics and details captured. I made the mistake of trying to capture them all and then realized how many were listed. :) I ended up switching to the more esoteric models. Quite a few have never been featured here on MATRIXSYNTH before. What's a little bit interesting, is only two new labels were needed, one for Domino and one for Side-Kick-Er. All other brands have been featured before. See the labels at the bottom of this post. Side note: Blogger limits the number of characters to 200 for labels, so I wasn't able to capture them all for this post. You can always search for the brand names featured for more. I assume most do this anyway. The labels are more for maintenance and for finding posts that may not feature brand names in descriptions.


Realistic Concertmate Electronic Accompanist-Metronome

"Fully analog rhythmic companion utilizing 5 beat buttons to combine how you wish. Features metronome, speaker and line out, and tempo control.

Serial: 42-2103. Works with no issue."

Monday, October 08, 2018

Steve Baltes Studio Tour

Published on Oct 8, 2018 Redaktion Megasynth

In German, but you can turn CC on followed by your language of choice. Check out the EMI Bandmaster Powerhouse with 8-track tape. Check out this post for another video and pics of the tapes. The second half of the last video in the playlist above also features a KLONE-KIT 2 which I've never seen before. You can find the original KLONE Dual Percussion Synthesizer Kit previously posted here.

"Mehr Infos zu Steve Baltes gibt's unter"

Steve Baltes Stuff präsentiert sein Studio, Teil 1: Modulare
Steve Baltes Stuff präsentiert sein Studio, Teil 2: Synths
Steve Baltes Stuff präsentiert sein Studio, Teil 3: Drumcomputer
Steve Baltes Stuff präsentiert sein Studio, Teil 4: Soundbeispiele

New Moog One Videos, Sound Demos, and Pics

1976 Polymoog Film

Published on Oct 5, 2018 Moog Music Inc

The original promotional film (1975) for the Polymoog Synthesizer, featuring Dr. David Luce, Chick Corea, Herbie Hancock, and Michael Boddicker.

Moog One - A Meditation On Listening

Published on Oct 8, 2018

"Moog One - A Meditation On Listening" is a film introducing the new Moog One Polyphonic Analog Synthesizer, the first analog polysynth released from Moog in over 35 years. Shot on both 8mm film and contemporary digital video, the film is a modern re-imagining of the original 1976 demo video for the Polymoog, Moog’s first polyphonic synthesizer. Exploring the electronic sound of the Moog One, and the transformational power of Listening, the film features some of the world’s most accomplished and creative artists: Jeff Bhasker, Suzanne Ciani, Chick Corea, Mike Dean, Robert Glasper, Dick Hyman, Dev Hynes, Mark Mothersbaugh, Mark Ronson, Ryuichi Sakamoto, Dr. Lonnie Smith, and Paris Strother.

Moog One Deep Dive, Live from the Moog Factory

Started streaming 8 minutes ago

"A look at The Moog One live from inside the Moog Factory."

Moog One Deep Dive, Live from the Moog Factory Part 2

Started streaming 2 minutes ago - starts at 24:14, audio cuts out and comes back at 25:07.

"A look at the Moog One live from inside the Moog Factory."

"Moog One is a tri-timbral, polyphonic, analog dream-synth with nearly unlimited sonic potential. Bringing the ultimate Moog synthesizer to life has been our most ambitious project to date -- an electronic odyssey encompassing years of research and decades of exploration, culminating in the birth of a new flagship synthesizer: Moog One."

Streamed live 112 minutes ago Sweetwater

This one was sent my way via Soviet Space Child. The overview starts at 2:20.

"After years of waiting and anticipation, we're proud to finally bring you the MOOG One analog synthesizer, live and in action with our very own mad scientist of synth, Daniel Fisher."

And some new pics:

You can find previous pics and details on the New Moog One previously posted here. Also check out Moog One Demos by Kurt Ader.

Wednesday, September 12, 2018

KnobCon 7 (2018) part 24 - Gil Trythall keynote address

Published on Sep 12, 2018 SynthMania

"A wonderful, insightful, interesting, and very entertaining keynote address!! By Dr. Gil Trythall, electronic music pioneer, college professor of music, author of fantastic '70s Moog-based records like 'Switched-On Nashville', 'Nashville Gold', 'Yakety Moog' and many other compositions"

All parts here including the latest updates (I thought the above warranted a separate post):

23. KnobCon 7 (2018) part 23 - Golden Knob banquet
24. KnobCon 7 (2018) part 24 - Gil Trythall keynote address - above
25. KnobCon 7 (2018) part 25 - Sat night jam session
26. KnobCon 7 (2018) part 26 - Real Fake Knobs
27. KnobCon 7 (2018) part 27 - Vinicius Electrik & Key Magic

Monday, September 10, 2018

SYNTAR Synthesized Guitar w/ Build in Mini Keyboard

This one is in via @BuckRemus, who was curious if there was any relation to George Mattson's PMS Syntar, the first synthesizer keytar. I reached out to George and he said he didn't know what it is, so there is no relation.

If you know what this is, feel free to leave a comment.

There appears to be 16 buttons (presets?), and three colored buttons, one blue, one orange, and one grey.  Note there are six mini keys, so they could be the equivalent of the six strings on a guitar and meant to be strummed rather than pressed like traditional keys.  There are three knobs, or possibly four if the one on the right is just missing a knob cap.  There are a number of holes as you can see (tuning/calibration points?).

Update: Two more pics added below, and via @BuckRemus: "it didn't come with a power supply so we're hoping to find someone who knows something so we don't fry it (if it hasn't been already). If it helps, it was purchased in Maine."


Patch n Tweak
Switched On Make Synthesizer Evolution Vintage Synthesizers Creating Sound Fundlementals of Synthesizer Programming Kraftwerk

© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.