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via this listing
Additional Retro Gear Shop Listings
Tuesday, May 14, 2024
Roland SH-3A 44-Key Vintage Analog Synthesizer w/ Original Instruction Manual
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
"Roland started producing some really unique synthesizers in the mid 1970s, and they were built to a very high standard and certainly have lasted. The SH-3A was conceived as a portable full function analogue synth that had bags of charter and shared much of the same architecture & functionality from the SH-5, SH-7 and even the System 100 etc, so we think this represents excellent value for money.
Background:
Our client purchased this Roland SH-3A new in 1975, so it’s a single owner machine that’s been in their possession for just shy of 50 years, and only ever been used in a home environment. This is a UK model, so 220~240v, and is hard-wired with a UK 3-pin plug which is stored in the compartment within the flight-case in the underside of the synth.
Servicing:
As mentioned above, Kent at KSR has just going the SH-3A a full service, so it’s perfectly working and sounding like a SH-3A should, and he commented that the synth is in beautiful condition inside and out.
Condition:
We rate this as in excellent all original condition, unmodified and complete with its music stand, lid and original owner manual, so very much a collectors grade instrument, that’s ready to play.
Documents:
Although we don’t have the original sale receipt from 1975, the synth does come with its original user manual."
via this listing

Background:
Our client purchased this Roland SH-3A new in 1975, so it’s a single owner machine that’s been in their possession for just shy of 50 years, and only ever been used in a home environment. This is a UK model, so 220~240v, and is hard-wired with a UK 3-pin plug which is stored in the compartment within the flight-case in the underside of the synth.
Servicing:
As mentioned above, Kent at KSR has just going the SH-3A a full service, so it’s perfectly working and sounding like a SH-3A should, and he commented that the synth is in beautiful condition inside and out.
Condition:
We rate this as in excellent all original condition, unmodified and complete with its music stand, lid and original owner manual, so very much a collectors grade instrument, that’s ready to play.
Documents:
Although we don’t have the original sale receipt from 1975, the synth does come with its original user manual."
Studio Electronics Oberheim Obie Rack Dual SEM Synthesizer
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via this listing
"This Oberheim Obie Rack is fully functional and in excellent condition.
The Oberheim Obie Rack is essentially 2 SEM units in a Studio Electronics designed rackmount enclosure. It includes Polyphony selection, stereo out, MIDI interface, and much more. This is a fantastic way to get the sound of a TVS in a much more portable package."
via this listing
"This Oberheim Obie Rack is fully functional and in excellent condition.
The Oberheim Obie Rack is essentially 2 SEM units in a Studio Electronics designed rackmount enclosure. It includes Polyphony selection, stereo out, MIDI interface, and much more. This is a fantastic way to get the sound of a TVS in a much more portable package."
Korg PS-3100 Polyphonic Synthesizer w/ Kenton Midi SN 770011
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via this listing
"This Korg PS-3100 is fully functional, fully serviced and in great condition. Complete with Kenton MIDI and fully serviced. Ready for the studio!
This super rare synthesizer, created by the master Fumio Maeda, is the great grandfather of the MS-20. The PS-3100 comes equipped with an unheard of (especially for 1977) 48 voices of polyphony, scaling controls, patchbay and more. The Kenton Mod adds Midi In/Thru and CV control for pitch, mod, aftertouch and more."
via this listing
"This Korg PS-3100 is fully functional, fully serviced and in great condition. Complete with Kenton MIDI and fully serviced. Ready for the studio!
This super rare synthesizer, created by the master Fumio Maeda, is the great grandfather of the MS-20. The PS-3100 comes equipped with an unheard of (especially for 1977) 48 voices of polyphony, scaling controls, patchbay and more. The Kenton Mod adds Midi In/Thru and CV control for pitch, mod, aftertouch and more."
Elka Synthex (with MIDI)
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
"Here is the inimitable Italian legend of Mauro Maggi, the only true symbol of the Italian synth, the original.
The synth is in good aesthetic and functional condition.
Version: MKII With MIDI!"
via this listing
"Here is the inimitable Italian legend of Mauro Maggi, the only true symbol of the Italian synth, the original.
The synth is in good aesthetic and functional condition.
Version: MKII With MIDI!"
Oberheim Xpander Desktop 6-Voice Synthesizer SN Y91907 w/ Star Dust Cover
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
"Servicing Status: KSR have carried out a service on this Xpander in May 2024.
Remarks: Much has been written on these incredible synthesizers and it's understandable when you use them as they really can deliver a thick analogue wall of sound, and are perfect pad and brass sources just for starters.
The Xpander lineage includes the Matrix 6 and 12 and is a fully midi configured, 6 voice Polysynth - an excellent addition to any analogue set-up and has to be heard to be believed. he Xpander offers a deep programmable architecture for those of you into tweaking but can also be a very user-friendly hands-on preset machine. This means they sit between that digital and analogue medium perfectly and are arguably the best of the hybrid technology of the early to mid-1980s.
About This Xpander:
This example is a USA built unit that works perfectly, and as mentioned above, has just been fully serviced by KSR. The cosmetic condition is all original and absolutely first class, excellent, as you can see from the pictures below, with barely any perceptible marks or signs of use, which is quite remarkable for a 40+ year old music instrument.
The owner purchased a Star Dust cover for it a few years ago and it is supplied with the synth on-sale. The cover is well used and has done a fantastic job protecting the instrument."
via this listing

Remarks: Much has been written on these incredible synthesizers and it's understandable when you use them as they really can deliver a thick analogue wall of sound, and are perfect pad and brass sources just for starters.
The Xpander lineage includes the Matrix 6 and 12 and is a fully midi configured, 6 voice Polysynth - an excellent addition to any analogue set-up and has to be heard to be believed. he Xpander offers a deep programmable architecture for those of you into tweaking but can also be a very user-friendly hands-on preset machine. This means they sit between that digital and analogue medium perfectly and are arguably the best of the hybrid technology of the early to mid-1980s.
About This Xpander:
This example is a USA built unit that works perfectly, and as mentioned above, has just been fully serviced by KSR. The cosmetic condition is all original and absolutely first class, excellent, as you can see from the pictures below, with barely any perceptible marks or signs of use, which is quite remarkable for a 40+ year old music instrument.
The owner purchased a Star Dust cover for it a few years ago and it is supplied with the synth on-sale. The cover is well used and has done a fantastic job protecting the instrument."
Octave Plateau Voyetra Eight Rev 3.5 Synth (with Rev 4 software) + Manual and Midi SN KM4822
Note: Auction links are affiliate links for which the site may be compensated.
via this listing
Video in the listing previously posted here.
"Here we have a fully functioning and serviced Voyetra Eight rev 3.5 (a rev 3 with rev 4 software) It has everything I personally want in a Voyetra. It has the green internal boards, the less buggy rev 4 os, and has been fully serviced by an expert.
This Voyetra has the rev 3 digimod board. So it responds to midi note off/on and velocity from any midi keyboard. It can of course also be controlled from the Voyetra VPK controller or slaved to another Voyetra for a monster sound. The Voyetra rev 3 is fully programmable from the knobs and program pages of the front panel. A copy of the rev 3 teaching manual and rev 4 reference guide is included. The rev 4 reference guide explains each programming page in a way that is easy to absorb. I'd start with this section of the manual. You'll be programming and making your own sounds within ten minutes. The manual is printed on heavy card stock so it will stand up to years of page turning without ripping or wrinkling. The reason the rev 4 seems to be more popular is it allows you to program with external software as opposed to programming from the front panel but what no one ever mentions is there is a very noticeable amount of latency when using modern third party software to program your Voyetra. It's nothing you would be able to use for real time performances. The multi page layout from the front panel becomes second nature after time. If it's good enough for Gillian Gilbert, it's good enough for me. This package includes a third 5 foot midi cable for connecting to the midi in of the Voyetra (not pictured) so you can attach this to your favourite controller.
Cosmetically this unit is in excellent condition. Over the years the filter for the CPU fan will breakdown and allow dust to enter the machine. A new filter has been installed that is thin enough to allow the air to flow freely but thick enough to catch household dust. The housing of these units are made of heavy gauge metal that is then sprayed with a durable textured industrial paint. Voyetra was a small company and the metal housings do have small inconsistencies and spots where they "missed a spot" or left a rough metal edge. This particular unit is in excellent condition with just a few small indentations or scratches in the original paint. The heat sink is in excellent condition WITH NO BENT FINS ETC. The face of the unit looks gorgeous with very little detectable wear. It has the original tear drop knobs that I find aesthetically more appealing. When my tech had this completely disassembled I had him blow out any dust that had accumulated over the years so the inside looks great. Everything functions exactly as it should and all oscillators tune. This will be a very stable and enjoyable unit to create music on for the new owner. The only way to improve upon this unit is to add the rev 4 digimod board, but that's not a feature I personally miss but I'm old, I like hardware. It has the most desirable green boards and it would be easy to mistake this for a rev 4 because it has the rev 4 software. (Six midi pages) A picture of the rev 3 digimod board is included. You certainly won't be able to find a better sounding Voyetra 8 than this one in my opinion. Some argue it is the best sounding of all the 80s analog polysynths."
via this listing
Video in the listing previously posted here.


This Voyetra has the rev 3 digimod board. So it responds to midi note off/on and velocity from any midi keyboard. It can of course also be controlled from the Voyetra VPK controller or slaved to another Voyetra for a monster sound. The Voyetra rev 3 is fully programmable from the knobs and program pages of the front panel. A copy of the rev 3 teaching manual and rev 4 reference guide is included. The rev 4 reference guide explains each programming page in a way that is easy to absorb. I'd start with this section of the manual. You'll be programming and making your own sounds within ten minutes. The manual is printed on heavy card stock so it will stand up to years of page turning without ripping or wrinkling. The reason the rev 4 seems to be more popular is it allows you to program with external software as opposed to programming from the front panel but what no one ever mentions is there is a very noticeable amount of latency when using modern third party software to program your Voyetra. It's nothing you would be able to use for real time performances. The multi page layout from the front panel becomes second nature after time. If it's good enough for Gillian Gilbert, it's good enough for me. This package includes a third 5 foot midi cable for connecting to the midi in of the Voyetra (not pictured) so you can attach this to your favourite controller.
Cosmetically this unit is in excellent condition. Over the years the filter for the CPU fan will breakdown and allow dust to enter the machine. A new filter has been installed that is thin enough to allow the air to flow freely but thick enough to catch household dust. The housing of these units are made of heavy gauge metal that is then sprayed with a durable textured industrial paint. Voyetra was a small company and the metal housings do have small inconsistencies and spots where they "missed a spot" or left a rough metal edge. This particular unit is in excellent condition with just a few small indentations or scratches in the original paint. The heat sink is in excellent condition WITH NO BENT FINS ETC. The face of the unit looks gorgeous with very little detectable wear. It has the original tear drop knobs that I find aesthetically more appealing. When my tech had this completely disassembled I had him blow out any dust that had accumulated over the years so the inside looks great. Everything functions exactly as it should and all oscillators tune. This will be a very stable and enjoyable unit to create music on for the new owner. The only way to improve upon this unit is to add the rev 4 digimod board, but that's not a feature I personally miss but I'm old, I like hardware. It has the most desirable green boards and it would be easy to mistake this for a rev 4 because it has the rev 4 software. (Six midi pages) A picture of the rev 3 digimod board is included. You certainly won't be able to find a better sounding Voyetra 8 than this one in my opinion. Some argue it is the best sounding of all the 80s analog polysynths."
Cherry Audio Announces the Rebirth of the Long-Awaited Chroma Synthesizer
Playlist:
1. Cherry Audio | Chroma Synthesizer
2. Cherry Audio | Chroma Classics Preset Pack
Chroma Classics Preset Pack for Chroma features an additional 100 phenomenal presets by Cherry Audio's Director of Sound Design, James Terris, blending vintage tones with a contemporary feel.3. Cherry Audio | The Story of Chroma
https://store.cherryaudio.com/presets...
"Dive into the captivating history of the Rhodes Chroma synthesizer with "The Story of Chroma," a documentary that traces its revolutionary path from the final days of ARP Instruments to its celebrated release by Rhodes in 1982. This compelling video brings to life the innovative spirit of the Chroma through the firsthand accounts of those who stood at the forefront of its creation. Hear from Dr. Tom Rhea, a renowned electronic music historian, Michael Brigida, a dedicated ARP and Rhodes product specialist, and Mary Lock, the esteemed service manager for both companies, as they recount the synthesizer's development, challenges, and triumphs. Featuring exclusive interviews and insights, this documentary not only explores the technical breakthroughs and musical possibilities the Chroma introduced but also celebrates its enduring legacy and the recent resurgence through Cherry Audio’s efforts. Witness the story of a musical marvel that continues to inspire innovation and creativity in the world of music.4. Cherry Audio | Introduction to Chroma Synthesizer
Produced by Daniel Keller
Editing and graphics by Mal Meehan
Music by James Terris"
Synth designer Mitchell Sigman of Cherry Audio introduces Chroma, Cherry Audio's virtual instrument that emulates the 1982 Rhodes Chroma polyphonic analog synthesizer and its Expander unit.Cherry Audio Chroma User Videos
Online User Guide at https://docs.cherryaudio.com/cherry-a...
0:10 Introduction
1:18 User Interface Basics
4:44 Voice Architecture and Patch Configuration
9:43 The Chroma Arpeggiator
11:37 Sweep Generators (the LFOs)
17:02 Envelope Generators
19:46 Chroma CPU Usage
1. Cherry Audio Chroma: A demo + tutorial of an elusive analog synth - CatSynth TV - Patreon
We take a deep dive into Cherry Audio's new Chroma, a meticulous recreation of the legendary and elusive Rhodes Chroma. It was a polyphonic analog synthesizer that came with some unique features, notably the ability to reconfigure the signal path among its oscillators, filters, and VCAs, opening up a wider range of sound possibilities. Cherry Audio's version combines these features with a modern user interface that allows direct manipulation of the parameters (unlike the original with a single data slider), and adds a full-featured effects section. We go over the expansive feature set of this instrument, showing you how each feature works and how to use them to make your own sounds.2. Cherry Audio Chroma Expander Sounds of Chaos Beauty Virtual Synthesizer - Rik Marston Official - AhnyxianSoundDesign
00:00 Introduction
00:27 History of the Chroma synthesizer
01:38 Presenting the Cherry Audio Chroma
02:39 Oscillator features
06:56 Filter features
11:17 VCA features
12:42 Dual Layers configuration
16:49 Dual Layers + Oscillator Sync
18:47 Dual Layers + Ring Modulation
21:13 Filter FM
23:54 Parallel Filters
26:09 Parallel Filters + Oscillator Sync
27:04 Series Filters
31:44 Effects section
32:38 Factory Presets
39:41 Conclusion
3. Cherry Audio Chroma Expander Sounds of Light & Darkness Virtual Synthesizer VST - Rik Marston Official - AhnyxianSoundDesign
Press release follows:

LABELS/MORE:
ARPFoundation,
Cherry Audio,
Chroma,
documentaries,
MATRIXSYNTH Members,
New Soft Synths,
News,
Rhodes,
Soft Synths,
Synth Cats,
synth tutorials
PolyBrute 12 Videos From Arturia
Arturia's set of videos on their new PolyBrute 12 have been added to the announcement post here.
Ratio & Frequency Division | Schlappy Patching
video upload by SCHLAPPI ENGINEERING
"Episode 9 for Schlappy Patching!
Today I'll show you two ways you can make melodic sequences without the use of a quantizer. First the Ratio sequencing with the Three Body and sub-harmonic division with Boundary.
Have fun watching!"
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© 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.
MATRIXSYNTH - EVERYTHING SYNTH