MATRIXSYNTH


Saturday, December 06, 2025

Vintage Roland MPU-401, CM-32L, CA-30, CN-20, CP-40, & CF-10 System

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


This one was spotted and sent in via
M Me.

via this eBay listing

1 pic of the inside below.

"Includes

Roland MPU-401 Midi Processing Unit SN 873387

Roland CM-32L LA Sound Module SN Z803461

Roland CA-30 Intelligent Arranger SN Z802892 with Roland Music Style Card TN-SC1-10

Roland CN-20 Music Entry Pad SN ZA92670

Roland CP-40 Pitch to Midi Converter with CP-40M Microphone (untested) SN Z881503

Roland CF-10 Digital Fader SN Z803213

(1)Roland Boss AC Adaptor Model PSA-120T

(2) Roland Boss AC Adaptor Model ACA-120

(1) Roland Boss AC Adaptor Model PSA-120

(1) Roland AC Adaptor Model ACB-120"

Korg Triton Extreme 88-Key 120-Voice Polyphonic Workstation

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


via this Reverb listing

Additional SYNTH CITY Listings

Korg Wavestation EX (Vector Synthesis Synthesizer)

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


via this Reverb listing

Additional SYNTH CITY Listings

"1990s Korg Wavestation EX, tested in great working condition, showing average cosmetic wear. Includes AC power cable and WPC-00PIII ROM data card as shown.

The Wavestation is Korg's take on the Sequential Circuits Prophet VS Vector Synthesizer. Korg also added 'wave sequencing' which is similar to wavetable scanning. The EX version adds 150 waveforms and 8 part multi-effects."

Rare Purple Beta Testers M-Audio Venom

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


via this Reverb listing

"M-Audio Venom Purple Beta Tester Version As far as I know there where only a few of these made in this color. The production units where white with orange and black lettering. I was one of the beta testers and sound programmers for this synth. I upgraded the motherboard recently to a production release motherboard swapping out the beta motherboard. When I swapped the motherboard I reset it back to the factory patches but will provide a download of my patches that I programmed during the development of this synth. I also put in a new old stock keybed as the original one had yellowed, the new one is a bright white. While it requires using the editor from either a Mac or PC to program it completely it has a broad range of possible sounds. It is a very fat sounding synth."

MFB Filter Box

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


via this Reverb listing

10 step Sequencer - Monotron/drone/pedal by Psychiceyeclix

Note: links to listings are affiliate links for which the site may be compensated.
video upload by Psychiceyeclix

"10 step sequencer, controlling cutoff on monotron, speed on pedal, oscillator on drone."



via this Reverb listing

"This 5v sequencer was bought new and lightly used in my smoke free studio. It's in full working order and excellent condition. Has a 1/4 CV output and comes with a 5v power supply.

Different combinations of steps can be made by switching steps on and adjusting the knobs. They all affect each other so there are random results in the outputted sequence. Starve knob - slowly turn knob until effects are heard in the sequence. Hold button will stop sequence whilst pressed."

(Video) *Serviced* c.1982 Clef Electronic Music B30 Microsynth Ultra-Rare UK Mono Synth

Note: links to listings are affiliate links for which the site may be compensated.
video upload by riffers


via this Reverb listing

"Super rare British analogue monosynth from Clef Electronic Music. Recently serviced and working well. Classic late-70s/early-80s panel with hands-on control: dual VCO section (with glide and sub-octs), noise, LFO, ADSR, and a great-sounding VCF with resonance. Compact keys, wood-effect cheeks and that gloriously utilitarian UK boutique vibe. Great for leads, SFX and modulated drones. Hard-wired UK mains cable fitted (240V).

Rear panel has Line Out, Headphones, and Speaker jacks. There’s also a “Sequencer” connector/jack present on the back panel; interestingly, this unit (and others we’ve seen) were built with no internal sequencer circuitry fitted, so the connector is effectively a vestigial feature."

Friday, December 05, 2025

Studiologic SL88 GT mk2 MIDI Controller - First Look with Jacob Dupre


video upload by Kraft Music

"Find exclusive Studiologic SL mk2 bundles at Kraft Music: https://kraftmusic.com/collections/st...

Jacob Dupre visits Kraft Music to take us on a tour of the Studiologic SL 88 GT mk2 MIDI controller keyboard!

Studiologic SL mk2 series controllers are more than just master keyboards; they're a new chapter in musical keyboard controllers. From the innovative UX Logic interface, seamless integration with the Numa Player, high-definition MIDI 2.0, to the immersive realism of the keybeds, every detail is crafted to bring your music to life.

SL88 Mk2 and SL73 Mk2 are equipped with the TP/110 keybed, a high-end, weighted mechanism combining feather-light portability with robust playability. With reduced bounce and aftertouch triggered by hammer action, every note feels authentic and effortless. SL88 GT Mk2 features the TP/400 Wood, Studiologic's finest keybed ever. Designed to deliver an unparalleled touch, it offers a playing experience remarkably close to that of an acoustic grand piano.

Get more for your money with an exclusive Studiologic SL Mk2 MIDi keyboard controller bundle from Kraft Music. These package deals include the accessories you'll need to get the most out of your new MIDI controller, all for one low price. If you have any questions, please contact us. Our knowledgeable sales advisors will be happy to assist in choosing the bundle that's right for you!"

ROAT v2 OSC for Korg NTS-1


video upload by Tweeeeeak!

"Introducing ROAT v2 Oscillator for Korg Nutekt NTS-1, adding FM, External Audio Processing, Chromatic play and Chaos for sequemces.

This Oscillator is free. Download link:

https://github.com/tweeeeeak/nts/blob...

(Follow me on X: https://x.com/tweeeeeak)

ROAT is an 8-bit experimental oscillator inspired by the Soma "Rumble of Ancient Times" synthesizer.

It includes 4 oscillators that can be triggered independently, by pressing 4 different zones of the keyboard, or recording a step sequence.

Combining oscillator activation with the different settings per oscillator (pitch, shape, LFO) and different combination algorithms, and adding randomization and chaos, gives you a wide range of sonic possibilities, from melodic to digital noise.

Settings per oscillator:

Pitch
16 different waveshapes
LFO (for pitch or amplitude) with 8 different shapes
16-step rhythmic sequence, syncable with external devices

Additional features:

3 oscillator combination diagrams with 7 different summing algorithms per node (including FM)
2 randomization algorithms
External audio processing (NTS-1 mk II only)
Chromatic play"

LinnStrument 200 Bumpy Surface


video upload by Sound Workshop

"our Bumpy #LinnStrument Surface makes it easier to play by feel instead of by sight. We’ve shipped over 150 surfaces for LinnStrument 128, and preorders are now open for LinnStrumenf 200. Shipping in Feb 2026. Order before Dec 8 for a 15% discount.

Http://www.soundwork.shop/linnstrument"


"One BLACK aftermarket silicone surface for LinnStrument 128. LinnStrument not included.

This surface makes it easier to play LinnStrument by feel instead of by sight. Each row is shaped like a long speedbump, which has three benefits:

Guides fingers to stay on target during long pitch slides

Provides confident tactile feedback when shifting a finger up/down between rows or hitting a double stop

Allows more intentional Y expression by feeling for the front, back, or crest of the bump

The grooves are centered over the top of the notes, instead of on the boundaries. The way the finger can feel when it's on target.

The root note bumps or dots have been removed to make alternate tunings easier.


This surface is great for playing LinnStrument with eyes closed or playing with two hands.

International Customers: prices listed do not include import taxes or fees. Please note that you may need to pay an additional custom when importing.

Black Surface Back Side Cosmetic Issue (Oct 22, 2025): the remaining 8 black surfaces have unintended paint application on the back side. After installation this is not visible to the user, and it has no functional impact. Some examples are shown here. We apologize for the suboptimal appearance. The price has been reduced %10 for the remaining stock. Thank you."
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