Roland Boutique TR-08 Virtual Analog Drum Machine

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via this listing

Additional Perfect Circuit listings

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ROLAND TR-08 DESKTOP DRUM MACHINE

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via this listing

Additional Signal Sounds listings

ROLAND J-6 CHORD SEQUENCER SYNTHESISER

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You can find demos in previous posts here.

Ekdahl Quad Massager Quadraphonic VCA / Mixer / LFO

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These appear to be the first demos of the Ekdahl Quad Massager to be featured on the site. The first video is from 15 years ago.

Playlist:

1. Ekdahl Quadmassager in 4 input "mix" mode - Drew Daniel

The Ekdahl Quadmassager is a quadrophonic panner and so much more. This video is very STEREO, but should be in Quad, but, well, that's not very practical, is it?, so please go do a show in quad or see one...in the meantime visit us at the webpage in the video, or come see us at the True Vine Record Shop in Hampden in beautiful Baltimore, the City that Reads. The Quadmassager was designed and built by Karl Ekdahl of KNAS and a little bit by M.C. Schmidt of Matmos.

2. Knas Ekdahl Quad Massager As a CV mixer - Shirato_Noise

The output of the unpredictable blend of the four Fourses signals modulates the Denum.

3. Soundscape #034 Memories of Glaciers (Mobenthey, Mannequins, Blippoo, Knas Quad Massager) - Shirato_Noise
4. Noise Sketch #247 Clockwise (Ieaskul F. Mobenthey, Knas Quad Massager, Papa Srapa, Blippoo Box) - Shirato_Noise
5. Noise Sketch #244 Message (Ieaskul F. Mobenthey, Knas Quad Massager) - Shirato_Noise

via this eBay listing

See this previous post for specs/features.

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Vintage Yamaha FX-1 Organ Synthesizer

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via this eBay listing

"The Yamaha FX-1 Vintage Organ Synthesizer is a classic dual 61-key organ with a third mini-keyboard for added versatility. It features semi-weighted keys and a hybrid analog/digital design with automated sliders, making it a distinctive choice for musicians looking for a full pedal organ synth. With input & multiple outputs and a display screen, this Yamaha rare full size organ from Japan offers a wide range of creative possibilities for electronic music production. The sleek design and iconic brand reputation make it a must-have for collectors, organists and FM synthesizer enthusiasts."

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Sequential Pro-8 RARE Analog Polyphonic Synthesizer SN 12101

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via this eBay listing

"The Sequential Pro 8 is a very rare synth that was released in 1984. It essentially is a Sequential Split 8 that was manufactured in Japan for overseas markets. It has a great classic Sequential tone and kept was the "classic" Sequential look in design compared to the Split 8's more modern look. Quite a rare and awesome synth! As you might expect, it has that unmistakable Sequential sound.. amazing pads, basses, leads, efx and more. Oh.. the strings are outstanding too!

This synth is in great condition and has been checked by our technicians to ensure full functionality."

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Ensoniq SQ-80 Cross Wave Synthesizer

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via this eBay listing

"The Ensoniq SQ-80 is an eight-voice, polyphonic, poly-timbral synthesizer, capable of playing eight different sounds at once, with dynamic stereo panning for each voice. Other luxuries include a total of 75 waveforms, a 61-note keyboard with velocity & aftertouch, and a floppy disk drive for storing patches and sequences. By combining all of this in a single integrated unit. the Enqoniq SQ-8O makes the perfect nerve center for any studio rig. This unit comes fully tested and serviced. Enclosure is in excellent condition for an instrument of this age, price reflects quality. Power cord included."

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Hypnotic Minilogue XD with Microcosm | Jamuary 2026 Day 26

video upload by Neo Golightly

"Today a hypnotic jam with the Korg Minilogue XD and the Hologram Microcosm. So fascinating what kind of soundscape the Microcosm produces. Should use it more often. Thinking about integrating it into my modular system."

Like clockwork.

Ambient Generative Music | Ableton Air & YAMAHA TQ5

video upload by Akihiko Matsumoto

"Generative Sequencer: Ableton Air https://akihikomatsumoto.sellfy.store...

Inspired by Timeless Techniques
'Air' draws its inspiration from Brian Eno's Music for Airports and the concept of overlapping tape loops. This Ableton Max for Live plugin translates these ideas into a modern generative sequencer, enabling you to explore infinite musical possibilities without repetitive programming.
Effortless Note Generation
Forget the constraints of the piano roll. 'Air' generates notes autonomously, creating endless variations of melodies, rhythms, and harmonies. Your music becomes a living, breathing entity that evolves over time, making each moment unique.
Perfect for Experimental and Ambient Music
Whether you're crafting immersive ambient soundscapes, exploring experimental electronica, or composing intricate minimal music, "Air" provides the tools to elevate your creativity. Its generative approach ensures that no two performances are ever the same, offering a fresh perspective with every playback.
Features Designed for Limitless Inspiration
Evolving Sequences: Generate infinitely unique patterns that never repeat.
Customizable Settings: Fine-tune parameters to align with your artistic vision.
Seamless Integration: Designed for Ableton Live users who value creativity and experimentation.
Create Music That Breathes
'Air' is more than a plugin—it's a partner in creation, designed for musicians who embrace unpredictability and seek to push boundaries. Unleash the power of generative composition and let your music take flight."

Tip Top Audio Buchla 200 Series

video uploads by Voice From The Machine

"This is a video series breaking down the Tip Top Audio Buchla 200 series of modules. Deep dives, information, patch examples."

Playlist:

1. I went all in on Tiptop Buchla. Was it worth it?

This is the first part of a video series on my new Tip Top Audio Buchla 200 series modular system. Here I describe my decision-making process and my initial impressions along with some of the history that makes this system so interesting.

00:00 Why I chose Buchla
03:20 Advantages of the system
05:13 History of the Buchla 200 series
09:56 Some disadvantages
11:38 Why bother using vintage designs?

2. The Magic of Buchla Oscillators: An Exhaustive Deep Dive on the 258t and the 259t

This is part 2 of my video series on the Tiptop Audio Buchla 200 series system. In this video I focus on the 258t Dual Oscillator and the 259t Programmable Complex Waveform Generator.

00:00 Introduction
01:20 Dual oscillator features
02:58 Dual oscillator 2 FM inputs
04:54 Buchla signal types explained
07:02 259 introduction
08:09 Principle oscillator and harmonics section
11:38 Modulation oscillator
14:58 Modulation bus
18:09 ART inputs
19:31 Example patch 1
24:01 Example patch 2
30:37 Outro

3. The Low Pass Gate: The Beating Heart of Buchla Synthesizers

This video is part of a series I'm creating highlighting modules in Tiptop Audio's line of Buchla 200 reissues. Today's episode features the 292t Quad Lopass Gate as well as a discussion of Low Pass Gates in general.

00:00 Introduction
03:09 Tour of Features
04:51 Timbre and Amplitude
07:15 Buchla Bongos
08:38 Vactrols and Pinging
13:40 Filter Deep Dive
17:05 Getting A Steeper Cutoff and Resonance
20:08 Performance Patch Example and Breakdown