Note: links to listings are affiliate links for which the site may be compensated.
via this Vemia listing
Click the auction link on top when you get there for additional listings.
"Jasper Monosynth. This is a clone of the classic EDP Wasp synth. Professionally built. Hardwood end cheeks. Inbuilt MIDI Interface. Enhanced mode option fitted (adds a slow moving PWM square wave to both oscillators) Sounds Excellent. I will include a CD with technical info. Will require a 9V DC centre positive power adapter. more info on the modwiggler forum.."
Showing posts sorted by date for query Sounds of Synth. Sort by relevance Show all posts
Showing posts sorted by date for query Sounds of Synth. Sort by relevance Show all posts
Saturday, October 25, 2025
Friday, October 24, 2025
Alesis Fusion particles
video upload by Snupps Synth channel
"programming session done over 3 takes, featuring some of my sounds on the alesis, fusion 6hd, One FM patch and one sample based patch, both extensively using the modular capabilities of the fusion and modified in real time. Only an external reverb was used, delays used are internal effects in the fusion."
Thursday, October 23, 2025
Generative Patches: DFAM+Mother-32+Subharmonicon. Jam Demo
video upload by Anton Anru
📚 DMS Generative is a collection of 25 patches for the semi-modular system Moog Sound Studio: DFAM + Mother-32 + Subharmonicon. This genre of sound design is highly popular within modular culture, and the Moog Sound Studio offers an excellent feature set to explore it.
🎛 Controlled chaos and randomness, probability, non-repetitiveness, tempo shifts, pattern uniqueness, the alternation of short and long sounds, unexpected changes, silence and density, harmonic and FX-like tones, and glitchy bursts throughout sequences — all of these elements are part of the soundset.
🎚 Generative timbres can serve as a strong addition to, or the main element of, ambient or techno tracks, jams, and performances. You can also record fragments into your DAW or sampler, slice them into one-shots or loops, and obtain unique material for further processing.
📦 Get these patches: https://antonanru.sellfy.store/p/moog...
🕹 The key idea behind the soundset is a high level of interconnection. In this patchbook, the timbres of the synths are intertwined — they cannot exist independently:
🔹 They modulate each other with LFOs and envelopes.
🔹 A sequence from one synth may change parameters on another.
🔹 Trigger interactions, clock/rhythm, and run/stop modulations break predictable patterns.
🔹 Audio signals from VCOs may be used as modulation sources to create harmonies, intervals, or wild experimental inharmonic tones.
🔹 Alternatively, they can be used as audio sources routed into another synth to be processed through its unique filter and envelope — giving the signal a “second life.”
DFAM, M32, and SUBH each play distinct and defined roles — it’s not a sound mess, but a tightly integrated system where the synths work in close cooperation.
Erik Norlander's Farfisa Combo Compact I 61-Key Organ
Note: links to listings are affiliate links for which the site may be compensated.
video upload by moogfoundation
via this Reverb listing
"Vintage Italian combo organ with classic '60s tone in a sharp-looking chassis. It sounds awesome, especially through FX pedals. 60s Brit pop sounds, naturally, but also early Pink Floyd psychedelic vibes. This unit needs repair, but it’s a great low-cost restoration project for someone handy!
The unit powers up and makes sounds, but the voltage to the keyboard needs adjusting. In the embedded YouTube demo video, a successful demo can be heard in the C scale, but all of the following keyboard voltage issues exist (potentially among others): C in the bass octave plays an F below; B in the bass octave plays a D# below and is too soft; G# in the bass octave is too soft.
Other issues:
Vibrato doesn't work. All Vibrato switches have some effect on the tone, but there is no actual vibrato
Reverb doesn't work. Reverb has a tube preamp (cool!)
Bass 16 / Strings 16 - same issues as bass octave but an octave higher
Bass 16 / Strings 16 - C2 and B2 do not sound
Flute 8 / All 8' stops - same issues as #6 and 7 but an octave higher again
Top C note sticks mechanically
This lot does NOT include the bass or volume pedals.
This organ is built in combination with its own carrying case. The top lid is removed to reveal the organ, and the bottom opens up to storage for wires and the fold-out, built-in legs (shown in some of the images). This lid is missing the suitcase-style carrying handle, which is likely easily replaceable. The case itself also has a crack on the right side.
The Farfisa Compact is known for its bright, buzzy organ tones and reedy bite, perfect for psych rock, garage, and early synth-pop textures. Whether you’re restoring it for stage use or just want that iconic combo organ flavor in your studio, this is a great piece to start with.
Details:
Multiple tone tabs for organ voices and percussion
Built-in vibrato (needs repair, as mentioned) and tone booster
49 keys with bass section on lower range
There is nothing like the sound of a Farfisa organ. Heard on classic tracks by Pink Floyd, The Doors, and The B-52s, these organs helped define the sound of '60s and '70s rock, and still holds its own in modern music.
30% of the sale goes to the Bob Moog Foundation, supporting electronic music history, innovation, and education."
video upload by moogfoundation
via this Reverb listing
"Vintage Italian combo organ with classic '60s tone in a sharp-looking chassis. It sounds awesome, especially through FX pedals. 60s Brit pop sounds, naturally, but also early Pink Floyd psychedelic vibes. This unit needs repair, but it’s a great low-cost restoration project for someone handy!The unit powers up and makes sounds, but the voltage to the keyboard needs adjusting. In the embedded YouTube demo video, a successful demo can be heard in the C scale, but all of the following keyboard voltage issues exist (potentially among others): C in the bass octave plays an F below; B in the bass octave plays a D# below and is too soft; G# in the bass octave is too soft.
Other issues:
Vibrato doesn't work. All Vibrato switches have some effect on the tone, but there is no actual vibrato
Reverb doesn't work. Reverb has a tube preamp (cool!)
Bass 16 / Strings 16 - same issues as bass octave but an octave higher
Bass 16 / Strings 16 - C2 and B2 do not sound
Flute 8 / All 8' stops - same issues as #6 and 7 but an octave higher again
Top C note sticks mechanically
This lot does NOT include the bass or volume pedals.
This organ is built in combination with its own carrying case. The top lid is removed to reveal the organ, and the bottom opens up to storage for wires and the fold-out, built-in legs (shown in some of the images). This lid is missing the suitcase-style carrying handle, which is likely easily replaceable. The case itself also has a crack on the right side.
The Farfisa Compact is known for its bright, buzzy organ tones and reedy bite, perfect for psych rock, garage, and early synth-pop textures. Whether you’re restoring it for stage use or just want that iconic combo organ flavor in your studio, this is a great piece to start with.
Details:
Multiple tone tabs for organ voices and percussion
Built-in vibrato (needs repair, as mentioned) and tone booster
49 keys with bass section on lower range
There is nothing like the sound of a Farfisa organ. Heard on classic tracks by Pink Floyd, The Doors, and The B-52s, these organs helped define the sound of '60s and '70s rock, and still holds its own in modern music.
30% of the sale goes to the Bob Moog Foundation, supporting electronic music history, innovation, and education."
Erik Norlander's Casio CT-6000 Vintage Keyboard Synth, single owner SN 309982
Note: links to listings are affiliate links for which the site may be compensated.
video upload by moogfoundation
via this Reverb listing
"A rare find from Casio’s early pro line, the CT-6000 combines vintage charm with impressive flexibility. It’s got a warm, retro tone, full-size keys, and loads of hands-on control, including tone editing, auto-accompaniment, and analog-style sliders for shaping your sound. Great for beginners and collectors alike.
Highlights:
12-tone polyphony
20 editable preset tones (with manual mode for custom sounds)
Analog sliders for filter, envelope, and vibrato
Built-in rhythm and accompaniment
Built-in speakers; it’s a party in a box!
Full-size keys with a solid feel
30% of the sale will go to support the Bob Moog Foundation, helping preserve electronic music history and inspire future creators."
video upload by moogfoundation
via this Reverb listing
"A rare find from Casio’s early pro line, the CT-6000 combines vintage charm with impressive flexibility. It’s got a warm, retro tone, full-size keys, and loads of hands-on control, including tone editing, auto-accompaniment, and analog-style sliders for shaping your sound. Great for beginners and collectors alike.
Highlights:
12-tone polyphony
20 editable preset tones (with manual mode for custom sounds)
Analog sliders for filter, envelope, and vibrato
Built-in rhythm and accompaniment
Built-in speakers; it’s a party in a box!
Full-size keys with a solid feel
30% of the sale will go to support the Bob Moog Foundation, helping preserve electronic music history and inspire future creators."
Vintage Oberheim Two Voice
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"VINTAGE Oberheim Two Voice. Item was recently serviced by ROSEN SOUND in July of 2025! and is MIDI capable.
This Two Voice is a piece of synthesizer history and sounds incredible.
This Two Voice has minor Tolex wear on the left side of the synth (see attached photos)which is easily replaceable. Otherwise, this synth is in EXCELLENT physical condition and absolutely mint in performance."
via this Reverb listing
"VINTAGE Oberheim Two Voice. Item was recently serviced by ROSEN SOUND in July of 2025! and is MIDI capable.
This Two Voice is a piece of synthesizer history and sounds incredible.
This Two Voice has minor Tolex wear on the left side of the synth (see attached photos)which is easily replaceable. Otherwise, this synth is in EXCELLENT physical condition and absolutely mint in performance."
The Sound of Prince with the Oberheim 🎹
video upload by RetroSound
"(c)2007-25 by RetroSound
supported by UVI: http://bit.ly/retrosound-uvi
One of my favorite tracks from the 80s.
When Doves Cry by Prince from the album Purple Rain (1984)
I used the 1010music bento with LM-1 samples and tuned the sound.
The bento works great as sample based drummachine for me.
And I used the Oberheim OB-Xa synthesizer for all synth sounds.
I played the guitar sample with the E-MU Emulator II."
synth tees: https://retrosound.creator-spring.com
Wednesday, October 22, 2025
The Florian Schneider Collection to Be Auctioned at JULIEN*S November 19
Note: links to listings are affiliate links for which the site may be compensated.
via JULIEN*S
"THE FLORIAN SCHNEIDER COLLECTION
Auction to be held at Musician's Hall of Fame & Museum, Nashville, on November 19
An incredible collection of more than 450 artifacts from the life and career of Florian Schneider, co-founder of the pioneer electronic band Kraftwerk."
Pics and videos featuring some of the gear below, and his Lederhosen for good measure (thanks greg!).
Update: the post has been fully updated with all the synth related gear. This may just well be the longest post to be featured on the site. I wanted to capture all the pics for all of the details including notes, scuffs, and of course serial numbers. It's an interesting look into what he used, the condition he keped his gear, in some cases, how he actually used his gear. Note the phonetics on the keys of the Casio CZ-101 and DX-100. Note the Midi Switch Box with a built-in speaker? What's that about? Note the camouflage key strap on the Korg RK-100 Remote Keyboard. Did he pick it out himself or did the keytar just come with it? Note the repeat midi controllers and the MIDI saxaphones. Wind was his primary instrument. You'll find a ton of the acoustic gear he used in the other listings. This is a fascinating insight into both what and how he used his gear.
Side note: there is no affiliate compensation for this post. The note at the top automatically shows for all posts with the Auction label.


Rack Mount Sennheiser VSM-201 Vocoder
Starting Bid $5,000
Estimate $20,000 - $40,000 USD
A late 1970s Sennheiser VSM 201 Vocoder with no serial number from the personal studio and collection of Florian Schneider of Kraftwerk (see images). While it’s said that only a few dozen of these Vocoders were produced, a few examples made it into the hands of forward-thinking musical artists including Herbie Hancock, Daft Punk, and of course, Kraftwerk, who used a VSM-201 like this on their albums Man Machine (1978) and Computerworld (1981). The VSM-201 has an intelligible sound that has not yet been bested by modern gear. Includes power cable. This VSM-201 has been removed from its wooden enclosure (which bears the serial number plate) and modified with a metal rack mount casing, presumably for live use. Requires 240v, IEC power cable not included.
Dimensions: 19 x 9 x 9 inches
Category: Kraftwerk, Equipment
Provenance: PROVENANCE From the Estate of Florian Schneider
via JULIEN*S
"THE FLORIAN SCHNEIDER COLLECTION
Auction to be held at Musician's Hall of Fame & Museum, Nashville, on November 19
An incredible collection of more than 450 artifacts from the life and career of Florian Schneider, co-founder of the pioneer electronic band Kraftwerk."
Pics and videos featuring some of the gear below, and his Lederhosen for good measure (thanks greg!).
Update: the post has been fully updated with all the synth related gear. This may just well be the longest post to be featured on the site. I wanted to capture all the pics for all of the details including notes, scuffs, and of course serial numbers. It's an interesting look into what he used, the condition he keped his gear, in some cases, how he actually used his gear. Note the phonetics on the keys of the Casio CZ-101 and DX-100. Note the Midi Switch Box with a built-in speaker? What's that about? Note the camouflage key strap on the Korg RK-100 Remote Keyboard. Did he pick it out himself or did the keytar just come with it? Note the repeat midi controllers and the MIDI saxaphones. Wind was his primary instrument. You'll find a ton of the acoustic gear he used in the other listings. This is a fascinating insight into both what and how he used his gear.
Side note: there is no affiliate compensation for this post. The note at the top automatically shows for all posts with the Auction label.


Rack Mount Sennheiser VSM-201 Vocoder
Starting Bid $5,000
Estimate $20,000 - $40,000 USD
A late 1970s Sennheiser VSM 201 Vocoder with no serial number from the personal studio and collection of Florian Schneider of Kraftwerk (see images). While it’s said that only a few dozen of these Vocoders were produced, a few examples made it into the hands of forward-thinking musical artists including Herbie Hancock, Daft Punk, and of course, Kraftwerk, who used a VSM-201 like this on their albums Man Machine (1978) and Computerworld (1981). The VSM-201 has an intelligible sound that has not yet been bested by modern gear. Includes power cable. This VSM-201 has been removed from its wooden enclosure (which bears the serial number plate) and modified with a metal rack mount casing, presumably for live use. Requires 240v, IEC power cable not included.
Dimensions: 19 x 9 x 9 inches
Category: Kraftwerk, Equipment
Provenance: PROVENANCE From the Estate of Florian Schneider
LABELS/MORE:
ARP,
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Doepfer,
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EMS,
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Updates,
Yamaha
Yamaha DX7 - "FM Depths" Soundset 32 Presets
video upload by LFOstore
"Working with: Hardware DX7,DX7 2D,TX802,Volca FM 1&2 / Software Dexed,Arturia DX7 V
BUY: https://lfo.sellfy.store/p/yamaha-dx7...
FM synthesis usually describing like digital,cold, glassy sounding.
We spent some time to dive deeper & get more analog & silky tones
from 6 Operator synth family.
Introducing 'FM Depths' soundset with 32 ambient & analog-like tones!
DX7 from Yamaha is one of the most popular keyboard synths ever with all classic fm synthesis capabilities and classic sounds!
But it can do much more & what is really missing in its internal presets are smooth and warm sounds.
We made smooth & creamy sounds for ambient & atmospheric music aswell punchy and razor ones for dance & club music!
'FM Depths' soundset contains 32 custom presets wide by categories & range:
Silky Strings
Evolving Drones
Smooth Pads
Progressive & analog-like basses
Solo leads
Voice-like sounds
Bells, plucks - modern & classic
Moving sequences
And yes, all the demo's here are using 10% of Valhalla Supermassive reverb
All instructions for loading are included.
Made by By Nick Klimenko aka Chronos, a creator of “Organica” for Waldorf Blofeld & “WS Universe” for Korg Wavestation
Enjoy & may music be with you!"
KORG MINILOGUE Rapid Fire Sound Demo
video upload by Woody Piano Shack
"All the preset sounds of the KORG MINILOGUE analog synth."
"Lesson packs available for one-time purchase on Patreon.
MORE WOODY PIANO SHACK
https://woodypianoshack.com"
Novation Supernova PAD Demos Vol 2 VINTAGE SYNTH SOUNDS and MUSIC #asmr #synth #rave #technogamer
video upload by Blue Cyberia Music
"This demonstrates a series of pad sounds you can get from this fabulous VA synth from year 2000. VA stands for virtual analog and was fairly popular at the time. Watch for more videos coming up. This is volume 2 of a series.
If you want to hear some complete songs, please check out all my channel, and like and subscribe to help me reach a wider audience."
Erik Norlander's ARP Omni 2 Vintage Analog String Synthesizer, serviced and upgraded
Note: links to listings are affiliate links for which the site may be compensated.
video upload by moogfoundation
via this Reverb listing
"Restored and upgraded by noted synth tech and Alan R. Pearlman Foundation supporter, Alison Cassidy. Tested and working. Some surface scuffs here and there, particularly on the wooden end cheeks. Orange LED slider upgrade installed.
This is a classic late-'70s analog synth, known for its lush string sounds, synth bass, and that unmistakable vintage ARP vibe. If you're into prog rock, synthwave, or classic electronic tones, this thing nails it.
Special upgrades:
The LP filter has been updated and corrected to extend the high frequency range
Sliders have been upgraded with sharp-looking orange LED lights
Highlights:
Iconic analog string section with rich ensemble chorus
Built-in synth with classic ARP filter (low-pass w/ resonance)
Full polyphony for strings, mono bass section
Great condition for its age
30% of the sale will go to support the Bob Moog Foundation."
video upload by moogfoundation
via this Reverb listing
"Restored and upgraded by noted synth tech and Alan R. Pearlman Foundation supporter, Alison Cassidy. Tested and working. Some surface scuffs here and there, particularly on the wooden end cheeks. Orange LED slider upgrade installed.This is a classic late-'70s analog synth, known for its lush string sounds, synth bass, and that unmistakable vintage ARP vibe. If you're into prog rock, synthwave, or classic electronic tones, this thing nails it.
Special upgrades:
The LP filter has been updated and corrected to extend the high frequency range
Sliders have been upgraded with sharp-looking orange LED lights
Highlights:
Iconic analog string section with rich ensemble chorus
Built-in synth with classic ARP filter (low-pass w/ resonance)
Full polyphony for strings, mono bass section
Great condition for its age
30% of the sale will go to support the Bob Moog Foundation."
Roland CR-68 CompuRhythm
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings "1970s Roland CR-68 CompuRhytmn drum machine.
The CR-68 has the same sound set and rhythm patterns, but is not programmable and lacks many of the better features found on a CR-78. However the CR-68 does have breaks & fills, an accent that really livens up its beats, and a balance knob that can be used to weird-out the sounds a little bit. A much cheaper alternative to the CR-78 considering it is strictly limited to its preset patterns.
Tested in great working condition, ready for immediate studio use."
via this Reverb listing
Additional SYNTH CITY Listings "1970s Roland CR-68 CompuRhytmn drum machine.
The CR-68 has the same sound set and rhythm patterns, but is not programmable and lacks many of the better features found on a CR-78. However the CR-68 does have breaks & fills, an accent that really livens up its beats, and a balance knob that can be used to weird-out the sounds a little bit. A much cheaper alternative to the CR-78 considering it is strictly limited to its preset patterns.
Tested in great working condition, ready for immediate studio use."
Roland TR-66 Rhythm Arranger SN 733671
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
Additional SYNTH CITY Listings
"One of the earliest machines from Roland, tested in great working condition. Perfect addition for any Roland collector or song writer/producer. Classic sounds!"
via this Reverb listing
Additional SYNTH CITY Listings
"One of the earliest machines from Roland, tested in great working condition. Perfect addition for any Roland collector or song writer/producer. Classic sounds!"
Get to grips with the Roland TR-1000 – Producer's Guide
video upload by MusicRadar Tech
"Unveiled earlier this month, Roland’s TR-1000 was always going to cause a stir. This flagship drum machine sits at the top of Roland’s line-up, with a top-end price to match. It’s the first Roland drum machine in more than 40 years to feature analogue sounds, with 16 circuits that mimic those of the iconic TR-808 and TR-909.
To focus solely on the TR-1000’s analogue elements would miss a lot of its highlights though. Alongside these sounds, Roland’s behemoth also features sampling, flexible effects, digital percussion sounds and a well-equipped, creative sequencer.
In our video, we explore the basics of the TR-1000 workflow and explain a few of our favourite creative features, including resampling, timestretching, the Morph crossfader and the master effects.
In this video, we’re using the TR-1000 alongside Erica Synths’ Bassline synth. The TR-1000 is sending MIDI clock to the Bassline sequencer, and the Bassline is routed into the TR-1000’s rear panel input and routed through the Master FX unit.
In this video:
01:40 – Sequencing basics
07:20 – Resampling a drum loop
19:17 – Drum layers
23:05 – Sub steps and probability
24:52 – FX routing
28:45 – Morph
32:23 – Variations and fills"
Tuesday, October 21, 2025
Realton Variophon
Note: links to listings are affiliate links for which the site may be compensated.
via this Vemia listing
Click the auction link on top when you get there for additional listings.
"Great and rare Synth from Realton (end of 70s aera) Used by Talk Talk, this is a real very expressive synth which sounds amazing !! Sold without cards, but there are some on Ebay Sax controller is extremely rare and a pleasure to play as well Looks simple compare to The Gig big brother version, but sounds exactly the same"
via this Vemia listing
Click the auction link on top when you get there for additional listings.
"Great and rare Synth from Realton (end of 70s aera) Used by Talk Talk, this is a real very expressive synth which sounds amazing !! Sold without cards, but there are some on Ebay Sax controller is extremely rare and a pleasure to play as well Looks simple compare to The Gig big brother version, but sounds exactly the same"
ARP Axxe Gold MkI model 2312 sn 2312 !
Note: links to listings are affiliate links for which the site may be compensated.
via this Vemia listing
Click the auction link on top when you get there for additional listings.

"Another item from the ARP collection: Here's the original vintage Black and Gold-finished Mk I ARP AXXE model 2312 - with unit's serial number 2312 ! - at an affordable entry-level point. It has original ARP upgrade PPC kit yet installed replacing the rotary pitch bend knob. A white overlay is provided for the signal flow diagram (see pictures). Optionally, as the original front panel graphics are gone, we’ve given it a nice touch with hand-painted gold detailing. Like its sibling the Odyssey, the AXXE has its own unique voice: while you’ll get that unmistakable ARP analog character, it also can opens the door to a variety of sounds — from thick, punchy basses to bright, sizzling leads — all for a fraction of the cost. Plus, it’s got a few fun tricks up its sleeve that you can appreciate on this explicit video from Starsky Carr: https://youtu.be/-6NHVLVJgpA?feature=shared . In working condition overall, though there’s a bit of crackling here and there, so a good cleaning is recommended - sold as is. As a great bonus are the connections on the back allowing an external synth or signal to be processed along with CV, Gate and Trigger inputs and outputs plus a control pedal input for the filter. Standard IEC power lead not included. [ If you’re purchasing from outside the EU, please be ready to provide any details that might be needed — thanks for understanding! ] Will be packed thoughtfully."
via this Vemia listing
Click the auction link on top when you get there for additional listings.

"Another item from the ARP collection: Here's the original vintage Black and Gold-finished Mk I ARP AXXE model 2312 - with unit's serial number 2312 ! - at an affordable entry-level point. It has original ARP upgrade PPC kit yet installed replacing the rotary pitch bend knob. A white overlay is provided for the signal flow diagram (see pictures). Optionally, as the original front panel graphics are gone, we’ve given it a nice touch with hand-painted gold detailing. Like its sibling the Odyssey, the AXXE has its own unique voice: while you’ll get that unmistakable ARP analog character, it also can opens the door to a variety of sounds — from thick, punchy basses to bright, sizzling leads — all for a fraction of the cost. Plus, it’s got a few fun tricks up its sleeve that you can appreciate on this explicit video from Starsky Carr: https://youtu.be/-6NHVLVJgpA?feature=shared . In working condition overall, though there’s a bit of crackling here and there, so a good cleaning is recommended - sold as is. As a great bonus are the connections on the back allowing an external synth or signal to be processed along with CV, Gate and Trigger inputs and outputs plus a control pedal input for the filter. Standard IEC power lead not included. [ If you’re purchasing from outside the EU, please be ready to provide any details that might be needed — thanks for understanding! ] Will be packed thoughtfully."
Sunday, October 19, 2025
Yamaha CS30 SN 4145
Note: links to listings are affiliate links for which the site may be compensated.
via this Vemia listing
Click the auction link on top when you get there for additional listings.
Pic of the inside.


"Released in 1977, the Yamaha CS30 is the flagship of their CS Monophonic range. It is as close to a modular synthesiser that Yamaha ever made and its modulation and routing options are extensive.
This one plays and sounds great. The synthesiser responds to all the pots and sliders as it should and it's ready to use and create weird and wonderful noises and textures. However, to get it to 100 percent functionality the synth requires a service to fix a few issues. Neither the combined 1+2 audio jack nor headphone output work, though the individual 1 and 2 jacks are fine. The sequencer works when switched to Manual and steps through by pushing the red button. However, the 'Clock' function only works when the synth has been powered on for a while and has 'warmed-up'.
Cosmetically the synth is in pretty good shape with nothing broken or missing. There are lots of very small dots of blistered paint, some with a hint of surface rust. The most noticeable ones are at the top of the control panel but these have not increased in size or number over the past decade-or-so. They don't look too bad, in my opinion. Inside is clean and dry with no signs of damp. One of the C keys has a cigarette burn (WHY??!!!) which has melted the plastic slightly. However, all keys are secure and function correctly. The case has a few marks here and there, but overall it looks good.
The case was designed to make servicing very easy. The front control panel is hinged at the back and can be opened by removing just two screws from each side panel. This then reveals a very neat collection of boards and wiring.
The CS30 can be easily integrated into a modern MIDI studio setup. By using an appropriate converter you can interface various features of the synthesiser via its numerous control inputs and outputs:
Foot Controller (CV) for volume in.
Sequencer CV and Trigger (gate) out.
Key Voltage (pitch CV) in and out.
Trigger (gate) in and out.
External (audio to the filter) in.
It features two voltage controlled oscillators (VCOs), two voltage controlled filters (VCFs - both featuring low-pass, band-pass and high-pass options), two voltage controlled amplifiers (VCAs) and three envelope generators. It also sports a ring modulator and a voltage controlled low-frequency oscillator (LFO).
It is fairly unusual for a hard-wired synthesizer in that it features a variety of switches which allow the user to re-route the signal flow from the usual VCO-VCF-VCA convention. For example, VCO 1 can output a square wave through VCF 1 whilst also outputting a high-pass filtered sawtooth wave through VCO 2. Another example is that the envelope generators can be assigned to any of the VCO, VCF and VCA modules and can also be inverted. Because the LFO is voltage controlled, the oscillating speed can be governed by an envelope generator and different waveforms can be applied to the other modules all at the same time. The CS30 also features an external signal input for filtering other musical instruments and audio sources, which can also be used as a modulation source. It includes an onboard eight-step analogue sequencer."
via this Vemia listing
Click the auction link on top when you get there for additional listings.
Pic of the inside.


"Released in 1977, the Yamaha CS30 is the flagship of their CS Monophonic range. It is as close to a modular synthesiser that Yamaha ever made and its modulation and routing options are extensive.This one plays and sounds great. The synthesiser responds to all the pots and sliders as it should and it's ready to use and create weird and wonderful noises and textures. However, to get it to 100 percent functionality the synth requires a service to fix a few issues. Neither the combined 1+2 audio jack nor headphone output work, though the individual 1 and 2 jacks are fine. The sequencer works when switched to Manual and steps through by pushing the red button. However, the 'Clock' function only works when the synth has been powered on for a while and has 'warmed-up'.
Cosmetically the synth is in pretty good shape with nothing broken or missing. There are lots of very small dots of blistered paint, some with a hint of surface rust. The most noticeable ones are at the top of the control panel but these have not increased in size or number over the past decade-or-so. They don't look too bad, in my opinion. Inside is clean and dry with no signs of damp. One of the C keys has a cigarette burn (WHY??!!!) which has melted the plastic slightly. However, all keys are secure and function correctly. The case has a few marks here and there, but overall it looks good.
The case was designed to make servicing very easy. The front control panel is hinged at the back and can be opened by removing just two screws from each side panel. This then reveals a very neat collection of boards and wiring.
The CS30 can be easily integrated into a modern MIDI studio setup. By using an appropriate converter you can interface various features of the synthesiser via its numerous control inputs and outputs:
Foot Controller (CV) for volume in.
Sequencer CV and Trigger (gate) out.
Key Voltage (pitch CV) in and out.
Trigger (gate) in and out.
External (audio to the filter) in.
It features two voltage controlled oscillators (VCOs), two voltage controlled filters (VCFs - both featuring low-pass, band-pass and high-pass options), two voltage controlled amplifiers (VCAs) and three envelope generators. It also sports a ring modulator and a voltage controlled low-frequency oscillator (LFO).
It is fairly unusual for a hard-wired synthesizer in that it features a variety of switches which allow the user to re-route the signal flow from the usual VCO-VCF-VCA convention. For example, VCO 1 can output a square wave through VCF 1 whilst also outputting a high-pass filtered sawtooth wave through VCO 2. Another example is that the envelope generators can be assigned to any of the VCO, VCF and VCA modules and can also be inverted. Because the LFO is voltage controlled, the oscillating speed can be governed by an envelope generator and different waveforms can be applied to the other modules all at the same time. The CS30 also features an external signal input for filtering other musical instruments and audio sources, which can also be used as a modulation source. It includes an onboard eight-step analogue sequencer."
Korg SB-100 Synthe-Bass SN 750076
Note: links to listings are affiliate links for which the site may be compensated.
via this Reverb listing
"I bought this from analogia.pl (i.e., Maciej Polak, check out his album 1977!) in 2022, serviced and converted to North American power. This synth is a little limited, but it sounds great and the portability can't be beat. It also has two features that (as far as I know) are unique to this model among early Korgs: the "bender" buttons and the "Phaser" waveform. As far as I can tell "Phaser" is a very nicely dialed-in pulse width modulation that sounds especially nice in the lower registers.
No major issues in testing, but two notes:
The output jack was a little intermittent when I started testing, but after working a 1/4" plug in and out of it the signal is solid. Guessing it was a little dirty and could eventually use a cleaning if you're handy. The "Traveller" slider is a little stiff around the center of its travel. All audio passes great, so this is really a "feel" thing and something I've also noticed on some (but not all) other early Korgs. In great cosmetic shape overall, but there are many little blemishes and signs of wear, which I tried my best to capture in the photos."
via this Reverb listing
"I bought this from analogia.pl (i.e., Maciej Polak, check out his album 1977!) in 2022, serviced and converted to North American power. This synth is a little limited, but it sounds great and the portability can't be beat. It also has two features that (as far as I know) are unique to this model among early Korgs: the "bender" buttons and the "Phaser" waveform. As far as I can tell "Phaser" is a very nicely dialed-in pulse width modulation that sounds especially nice in the lower registers.
No major issues in testing, but two notes:
The output jack was a little intermittent when I started testing, but after working a 1/4" plug in and out of it the signal is solid. Guessing it was a little dirty and could eventually use a cleaning if you're handy. The "Traveller" slider is a little stiff around the center of its travel. All audio passes great, so this is really a "feel" thing and something I've also noticed on some (but not all) other early Korgs. In great cosmetic shape overall, but there are many little blemishes and signs of wear, which I tried my best to capture in the photos."
Strymon SuperKar+ (Part 4) Chord Voice w/ Magneto, BitBox Micro, XPO, and ZPO
video upload by Rheyne
"The @strymon SuperKar+ Chord Voice through a Strymon Magneto. Percussion is from a BitBox Micro, bass is from a Make Noise XPO, and the background synth voice is from a Steady State Fate ZPO.
Loops are from Ableton Live, with a Korg SQ-64 acting as a MIDI to CV converter. Ableton's clock is randomized by CV Tools stepped-random LFOs. The Strymon Magneto is clocked by the kick drum trigger. Reverb is from Ableton Live. Recorded in one take.
SuperKar+ is a Eurorack voice module that uses Karplus-Strong synthesis to create the sound of plucked or bowed strings, struck or blown pipes or tubes, or a suite of other sounds."
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MATRIXSYNTH - EVERYTHING SYNTH
© 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





































