Twisted Electrons AY3 MKII Chiptune Synthesizer

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via this listing

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Dave Smith Instruments Tetra Analog Desktop Synthesizer

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1985 Sequential Multi-Trak 61-Key 6-Voice Polyphonic Synthesizer SN 00080

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via this Reverb listing

Additional SYNTH CITY Listings

"The Sequential Multitrak (released in 1985) is a six-voice analog synthesizer notable for combining true analog sound with early digital control.

Each voice has a CEM3394 synth-on-a-chip, offering a single oscillator, sub-oscillator, noise source, and resonant low-pass filter. It was one of the first affordable synths to feature a built-in sequencer and MIDI implementation, making it popular for both studio and live use.

The Multitrak’s panel and parameter editing system allowed deep sound design, though programming could be a bit tedious. Its warm, punchy tone and distinctive Sequential character make it a cult favorite among vintage synth enthusiasts today.

This one works like a charm and has that analog warmth you've been looking for in a polysynth. One button has been replaced on the "to tape" cassette loading feature. Includes original power supply."

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Cwejman S1 MK2 Semi-Modular Monophonic Analog Synthesizer w/ Original Box

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via this Reverb listing

"MINT CONDITION (see images), AS IF YOU RECEIVED IT FROM THE SHOP IN 2019!

This is the legendary Cwejman S1 MK II synthesizer, unused in box. I received this in 2019 after ordering ist sometime mid 2010s ... and due to different life circumstances never used it as when I received it I just had moved and no space for my Eurorack system.

As a result, this unique synthesizer is like a time capsule, it was safely stored in my office in its original packaging in a cupboard and is in mint condition (refer to images)."

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Debugging Serge Resonant Equalizer (analog modular synthesizer circuit)

video upload by Lantertronics

0:00 Introduction
2:05 Signals at wipers
3:08 Op amp outputs
4:21 Wild goose chase
5:31 Bad pots
7:26 29 Hz filter debugging
8:44 Lifted pads

Synthesizing with Moog | Lesson 5: Modulation

video upload by Moog Music

"Composer Morton Subotnick once said that the sonic palette of a synthesizer is determined not by the number of components it contains but the ways in which they can modulate each other. Modulation allows us to take static sounds and add movement to them – to create expressive motion like vibrato and tremolo, or to create new and novel textures. In this lesson we explore the basics of modulation, using Low Frequency Oscillators (LFOs) and envelopes to modulate pitch, timbre, and amplitude, and harnessing the power of randomness to add unpredictable elements to our sounds.

Written, hosted, filmed, and produced by our team of electronic musical instrument experts, this new seven-part educational video series makes learning the fundamentals of synthesis accessible, engaging, and inspiring for anyone curious about science, music, and how the two worlds converge. We set out to create a series that brings you as much technical knowledge as it does entertainment and joy as you watch each episode!

We invite you to follow along with us at home with a printable worksheet corresponding to the contents of each weekly episode. https://inmusic.to/bdhnff3m

Creator, writer, and host: Chris Miller
Director and editor: Paul Shaver
Producers: Max Ravitz and Chris Miller
Director of Photography: Paul Shaver
Music: Max Ravitz and Gunnar Haslam
Graphics and Animations: Ryan Ford
Special thanks to Ana Rome
Filmed on location at Schneidersladen Apotheke, Berlin"

Korg Triton Extreme VST Plugin (Korg Collection 6) - No talking demo

video upload by ADL-MusicLab

"Hi, everyone!

The original Korg Triton first appeared in 1999 and then the TRITON Extreme appeared in 2004 as the most powerful model in the series, featuring the first-ever "Valve Force" vacuum tubes in a music workstation, and most of the new PCM and EXB-PCM series waveforms.

This plug-in faithfully reproduces the HI (Hyper Integrated) synthesis system down to the smallest details and contains every one of the vast number of preset programs.

You can have again the sound that defined an era, with a very faithful software emulation that can bring this classic synthesizer "back to the future". This software really replicates the Korg Triton Extreme down to the last details and in this "No talking demo" I just mess around with some beautiful presets.

Grab it! You won't be disappointed.

SOME SPECS:
◉ Combination mode allowing for up to eight of multi-timbral parts to be played simultaneously ;
◉ Over 4,000 ready-to-go sound programs;
◉ Includes all of the expansion library EXB-PCM cards;
◉ Five insert effects and and two master effects, plus a master EQ;
◉ Complete reproduction of TRITON’s HI (Hyper Integrated) synthesis system;
◉ Full of ready-to-go phrases with 307 dual arpeggiator patterns;
◉ Supervised by original TRITON developers;
◉ Over 4,000 ready-to-go sound programs;
◉ and much more..."

GS Music e7 Analog Polyphonic Synthesizer Fun

video upload by James Dyson

https://www.gsmusic.com/

Teenage Engineering Introduces EP–40 riddim n' EP–2350 ting

video upload by teenage engineering

"EP–40 riddim is a powerful sampler, sequencer and composer built for expressive live performance, with a powerful loop engine, and reggae-inspired FX. it comes packed with over 400 handcrafted instruments and sounds from iconic reggae producers, plus a synth engine with classic bass and lead tones and pressure-sensitive dub sirens. EP–2350 ting is a handheld performance mic with built-in effects and samples. connect it directly to riddim, or any sound system."

Riffin’ on the EP-40 Supertone - Teenage Engineering EP-40/EP-2350 Riddim and Ting

video upload by NOISEBUG

"The EP40/2350 is in stock at Noisebug, ready to ship today!

Teenage Engineering - EP-40, the newest member of the EP line is here. Now for the first time there are synthesizer engines built in. Layer all of your samples with fresh bass lines, leads and pads without losing any fidelity. There is also a new sample loop mode for toggling longer loops on and off. The ultimate layering machine!

EP-2350 Ting is a handheld vocal effects microphone and sample trigger. You can sample directly into the Riddim via Ting (or any external source)

Riddim comes stocked with almost 1,000 sounds, loops, one-shots and synthesizer engines. All sounds in this video are from the stock pre-loaded selection"

EP–40 RIDDIM is a powerful sampler, sequencer and composer built for expressive live performance, featuring tightly synced MIDI sequences, grid-synced loops, and reggae-inspired FX for real-time sound shaping. it comes packed with over 300 handcrafted instruments and sounds from iconic reggae producers, plus a synth engine with classic bass and lead tones and pressure-sensitive dub sirens.

EP–2350 TING is a handheld performance mic with built-in effects and samples. connect it directly to RIDDIM or any sound system.

product highlights:
EP–40 riddim:
12 stereo / 16 mono poly voices
128MB system memory
subtractive synth engine
grid-synced loops
9 user-editable projects
7 main fx and 12 punch-in™ fx
pressure sensitive keys and multifunctional fader
sampling frequency: 46 kHz / 16-bit
stereo in/out, sync in/out, midi in/out and usb-c
dimensions: 240 x 176 x 16 mm | 9.5 x 7 x 0.7 in

EP–2350 ting:
4 live voice effects: echo, echo+spring, pixie, robot
4 replaceable samples to trigger straight from the mic
live adjustable effects parameters
line out on 3.5 mm curly cable
lo-fi by design

TILL NEXT TIME | OB-X8 SYNTHESIZER JAM

video upload by Eric Diamond

Ospray-8 Analogue Percussion Synthesizer

video upload by Alan inReality

See the announcement post here.

"Video review for Outsideleft.com of the Ospray-8 Percussion Synthesizer, hand built in the UK by Bad Dog Designs, Staffordshire. Fully analogue with 8 voices, triggerable over MIDI or by CV and immensely tweakable and hands on. Based on a 1980 electronic project magazine design.

Full written review and background on Bad Dog Designs at Outsideleft.com.
Order from the Bad Dog Designs website https://www.bad-dog-designs.co.uk"

CS15 w/ Don Solaris mods & Yam Case

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via this Vemia listing

Click the auction link on top when you get there for additional listings.

Here’s Yamaha’s classic duophonic (with a little effort) synthesizer with Don Solaris’ mods to facilitate chaining the VCFs for something closer to a 24db/octave response. There’s also a mod to the LFO’s rate control to get better use of it at audio rates - a welcome addition to the CS-15’s already pleasing sound palette. All told, the mods make a good sounding, but somewhat limited instrument rather less limited! It’s in great condition for a synth of this vintage, and was serviced a few years ago by the same techs who performed the mods. The sliders don’t have a “buttery smooth” glide, but are silent, as are the pots. I hear a very, very faint crosstalk between filters while the serial mod is not engaged, and I can’t say whether it’s due to the modification or, as with my old CS30, it’s part of the synth. It’s not noticeable in practical use, but if you’re actively looking for behaviors like this, you might hear it. It’s also like a 50 year old keyboard, so… I would rather have the single-voice CS-30 with its modulation possibilities, but I also just don’t have the space anymore. Please find the details of the mods here: https://greatsynthesizers.com/wp/wp-content/uploads/2019/07/cs-15_mods_DonSolaris.pdf Will ship from Berlin, Germany in its Yamaha-branded hard case.

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Yamaha AN200 Virtual Analog Desktop Synthesizer

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Roland MKS-50 Alpha Juno SN 720724

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via this eBay listing

Additional Tone Tweakers Listings

"Synthesizer module equivalent of the Roland Alpha Juno-1 and Alpha Juno-2 keyboards. This unit has been professionally refurbished, unlike most. The internal battery was replaced and what we believe to be the original factory patches were reloaded. All synthesizer parameters were systematically tested on all voices and are working as they should."

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Formanta P432 + LELMIDIDRUM From UltraRare.SU

video upload by Futulyric

"The Formanta P432, a Soviet digital synthesizer, originally featured a very distinctive, authentic noise and could have been significantly improved if it had supported ADSR. This flaw has now been corrected; as a plugin, it sounds more interesting. The noise, however, remains, lending a distinctive vibe.
LEL MIDIDRUM is a digital drum module from the company of the same name, dating back to the Soviet era. No other surviving example is known, so its sound can only be heard here.
Also available as a plugin.
https://ultrarare.su/?post_type=product"

How to Make & Sequence Modular Synth Drum Sounds With Patterning 3 : Drum Machine

video upload by Olympia Noise Co.

"In this video, Patterning : Drum Machine developer Ben Kamen demonstrates using Patterning 3 as a MIDI sequencer to control a Eurorack modular synthesizer and builds drum and percussive sounds from the ground up. Starting from basic kick and tom patches, learn how to shape hi-hats with noise sources, add punch with pitch envelopes, and introduce melodic variations using MIDI.

Download this drumkit (and 700+ more) inside Patterning 3: Drum Machine :
http://patterning.app

Modules used include:
• Mutable Instruments Yarns (MIDI to CV)
• Intellijel Dixie (Oscillator)
• Tiptop Audio Low Pass Gate (VCA + Filter)
• Intellijel Quadra (Envelope Generator)
• Plonk (Digital Percussion Module)
and more....

If you love modular synth sound design, this one’s for you.

⸻

⏱️ Timestamps:

00:00 — Introduction: Using Patterning 3 with Modular Synths
00:35 — Oscillator + VCA Basics
00:50 — The Tiptop Low Pass Gate Setup
01:02 — Envelopes and Volume Control (Quadra)
01:12 — Making Drum and Tom Sounds
01:26 — Creating Hi-Hat Sounds with Noise Sources
06:57 — Adding Punch with Pitch Envelopes
07:20 — Shaping Kick Drum Dynamics
07:37 — Experimenting with Attack and Decay
08:04 — Modulating Hi-Hat Envelopes for Variation
09:10 — Exploring Plonk and Cowbell Sounds
10:41 — Randomized Melodies from MIDI Pitch Data
11:38 — Building a Complete Modular Pattern
12:28 — Wrapping Up and Final Jam"

Synthesizing with Moog | Lesson 4: Original Soundtrack

video upload by Moog Music

"The soundtrack from the fourth episode of Synthesizing with Moog invites you to dive deep into one of the synthesizers signature components, the Voltage-Controlled Filter. While different oscillator shapes could create a bed of tone and harmonics, the Voltage-Controlled Filter allowed musicians to sculpt a distinct sound out of all those harmonics and even shape that sound over time.

We hope you enjoy this music created by Moog electronic musical instrument experts Max Ravitz ( / patriciaaa ) and Gunnar Haslam ( @lasynthesehumaine6932 ).

0:00 - Giles Goes to the Movies / Gunnar Haslam
1:58 - Clare / Gunnar Haslam
11:52 - Thomas Elroy / Max Ravitz
15:06 - Broken Traces / Max Ravitz"

Synthesizing with Moog | Lesson 3: Original Soundtrack

video upload by Moog Music

"The soundtrack from the third episode of Synthesizing with Moog invites you to dive deep into 'Vibrations' and their the source on the synthesizer – the oscillator. We also dive into the topics of harmonics, looking at how the shape of oscillation creates distinct tones with different harmonic characteristics.

0:00 - Cosmicmantova / Gunnar Haslam
3:32 - Looking Through a Glass Table / Gunnar Haslam
9:12 - See Ess / Max Ravitz
13:04 - Enola / Max Ravitz
17:12 - Dusk on Karl Marx Strasse / Gunnar Haslam"

Synthesizing with Moog | Lessons

Anthony Marinelli Music Synth Studio Revealed | Studio Tour 2025

video upload by Anthony Marinelli Music

"I finally agreed to make a video showing my synthesizer studio. I'm NOT a collector, so you'll see the instruments I've used for over four decades to do my work. It's also my space for composing. In this deep dive studio tour, I walk you through every corner of my space, showing how everything’s connected for performing, recording, and creative flow.

You’ll see icons like the 'Plantasia' Moog Modular IIIc, Synclavier II, Rhodes Chroma with Expander & Enabler, Oberheim Four Voice, Elka Synthex, Roland Jupiter 8, Sequential Circuits Prophet-5, ARP 2600s, Korg MS modular synths, some classic Minimoog — plus a few modern synths I’ve added as I look to the future. Alongside the synths are vintage drum machines, string machines, and rare electric keyboards including a 1973 Fender Rhodes Suitcase and Hohner Clavinet/Pianet Duo.

We'll also explore racks of outboard gear, vocoder units, tape echoes, and a vast array of my custom guitar pedal options, efx pedal boards and studio effects racks that make this room endlessly inspiring. I'll also reveal how my entire studio is designed for instant creativity, featuring 48 channels of synth drivers and stage boxes, so any synth can be patched and recorded on the fly."

https://anthonymarinellimusic.com/pages/about

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1997 Escape from New York on Oberheim OB8

video upload by Paolo Albanese

"Leitmotiv FROM '1997 Escape from New York' performed on Oberehim OB8 - raw sound, not processed by anny effect, just to demonstrate the power of this wonderful synthesizer!"

MOLPO SYNTHESIZER review

video upload by the VAPE