Korg Mono/Poly synthesizer SN 373830

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

via this eBay listing

Additional Tone Tweakers Listings

"This unit was meticulously refurbished over approximately 16 hours, resulting in an instrument that works better than the rest...and is justifiably pricier, but is ready to use professionally. The person who sold us this unit said it was working fine, but in reality, it had several significant problems and needed a full and costly overhaul, including a $200 part (and others).

37383x

Here's a list of some of the work we did to this unit:

Cleaned unit inside and out.

Rebuilt power supply (replaced electrolytic capacitors) (future-proofing measure)
Replaced all electrolytic capacitors throughout unit (future-proofing measure)
Recalibrated. All ok.
Cleaned all potentiometers.
Cleaned all switches.
Cleaned all key contacts.

If you have one of these you’d like properly restored, we can help!"

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MOOG SAMPLE AND HOLD MODEL 1125 SN 2148

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

via this eBay listing

Additional Tone Tweakers Listings

"Sample-hold controller for Minimoog, Sonic 6, Moog Modular, Micromoog, etc. Professionally serviced over approximately 8 hours, throughly tested and in full working order.

In addition to any repairs, we did the following:

Cleaned and lubed all potentiometers.
Replaced Jones connectors for reliability (6p plug, 8p socket, 8p plug)
Cleaned unit inside and out.
Replaced 2p Jones plug.
Replaced electrolytic capacitor (10/50 x1)
Replaced tantalum capacitors (5)"

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Acidlab Bombass - Analog monosynth

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via this Reverb listing

"VERY rare synth that's in fantastic condition both functionally & cosmetically... Near Mint! Includes a European PSU so you'll need to source your own North American one -or- use a step-up transformer. FREE SHIPPING!! Continental USA buyers only."

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Blue Roland SH-101 Monophonic Synthesizer

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

via this Reverb listing

"Roland SH-101 (1982-1986), 1-VCO monophonic synthesizer with sequencer.

Compact yet just perfectly sized, plastic but sturdy, simple yet full of useful features. Not only one of Roland company's best looking designs, it is also a rare foray for Roland into 3rd party ICs - Curtis Electromusic's CEM3340 VCO chip granted SH-101 its distinctive rich tone. Needless to say that SH-101 defined the sound of IDM, early house and techno, and still rocks on!

This is a rare blue model that has been carefully serviced inside and out, which included replacing all of the electrolytics, cleaning all of the potentiometers, replacing some unstable sliders, as well as performing general cleaning. All the functions have been tested and re-tested.

The cosmetic condition could have been described as excellent if not for some of the plastic screw posts _inside_ the case. Those are notoriously brittle, but have been restored to the best of our abilities."

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Oberheim DMX 8-Voice Drum Machine SN 822119

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

via this Reverb listing

"Oberheim DMX in very good condition. Please check out the photos as there is a little crack on the red display protector along with some scratches on the unit in a couple of spots. This one has easy access to open it up and switch out the EPROMS."

Pics of the inside below.

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Get *more* from your semi-modular synths with this gear

video upload by Oscillator Sink

"Links to companies featured:
https://dfaudio.com.au/
https://www.feed-me-synthesis.co.uk/
https://www.herzlichlabs.com/
https://tiptopaudio.com/stackcable/
https://www.st-modular.de/workmates

Semi-modular synths are great, and even with a sizable eurorack set-up I find myself gravitating to these complete, self-contained instruments more and more, to get the enjoyment of patching without the option paralysis that a full modular synth sometimes inspires.

Nevertheless the big benefit that a full modular set-up gives you is that expandability and flexibility to build out what your setup is capable of by adding or swapping out modules.

But semi-modular lovers need not feel left out! There are numerous bits of kit out there which can help you get more from your semi-modular synths, expanding their capabilities and sonic palettes.

Transparency notice: The DF Audio Nano-U was kindly provided to me by DF Audio for the purposes of featuring it in some videos and I am permitted to keep it. The Slewp and Slide has been kindly lent to me by Feed Me Synthesis for the purposes of featuring it in this video.

Chapters
00:00 Intro
01:15 Tiptop Stackcables
04:52 The World of 0HP Utilities
14:15 Herzlich Labs MMI Node
16:55 DF Audio Nano-U
26:07 Feed Me Synthesis Slewp and Slide
38:06 Outro

http://www.oscillatorsink.com"

November Rain

video upload by Ebotronix

Expressive E Osmose,
Waldorf Iridium,
Arturia Minifreak.
Conductive Labs The NDLR V2,
Torso S 4,
Hologram Electronics Microcosm Special Edition 2024,
Strymon Big Sky MX, in Dual Mono Mode controlled with
Midi CC by, 16n Faderbank, AtoVproject ,
Bastle Bestie,
28.11.2025
video# 2582

MARS Tube Synhesizer - Good Preheat (D'n'B Demo track)

video upload by Eternal Engine EMI

More info on https://apparatus.su/mars.html

Additional demos

Prismatic Spray II available now!

video upload by Arman Bohn



"You can find it here:
https://distropolisgoods.com/products..

The Prismatic Spray II has been released!

Prismatic Spray II is a deeply explorable, stereo bytebeat synth that implements many novel features. It includes a multitude of physical controls, mesmerizing visuals and full MIDI implementation. The Prismatic Spray II is an evolution of the original in the following ways:

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disting NT - Single VCO chord and accompaniment

video upload by Expert Sleepers

"This video shows the disting NT's Temporal Freeze in action, freezing notes played by an analogue VCO to create a chord, over which the same voice can then play lead line notes.
Various algorithms on the disting work together to create the CV/gate pattern for the chord notes, the CV/gate patterns for the lead notes, and to freeze the notes at the right times."