Sunday, July 27, 2025
Testing Orca with Heritage Modular polyphonic synth
video upload by f1oat3d
"My first compositon with Orca sequencer.
Using only the keyboard to modulate the tracks.
Heiritage Modular configured for 32 voices spreaded over 4 instruments."
Donner L1 Synthesizer Inside and Mods
video upload by Maffez Synthmods
"Some easy modifications (Filter FM, VCA boost) and a couple of inside pictures of the Donner L1 synthesizer module. You can see how the alfa par ICs are used for VCO, VCF and VCA, how the whole magnetic keyboard system is arranged and how the ADSRs are digital (not that they soudn any less funky!). All sounds in the demo are from a modified unit."
Polyend Pedals // MESS Step and Press
video upload by Starsky Carr
"Some things ooze quality ... welcome to the Polyend MESS, Step and Press guitar pedals. But just like my MoogerFoogers I'm not going to be stomping on them any time soon!
The MESS is a Multi Effect Step Sequencer with 4 tracks containing one of 74 on-board FX and sequenced in 16 steps.
The Step is a beats machine. Filled with 50 kits and 2000 samples and room for 1000 songs. With per step parameter setting and onboard FX, limiter and saturation it's much more than a simple drum machine.
Press is an ANALOG stereo VCA compressor (everything else I've used from Polyend has been digital), with a sidechain input, LP and HP for the sidechain plus a dry/wet mix knob and a tilt EQ. A super little desktop/stompbox compressor."
0:00 What's all this then?
1:10 Demo - under PRESSure
1:27 Press... it's a comPRESSor
6:14 Step .. it's a beats machine
8:38 Demo - Musical Interlude
9:18 Back to the Step
15:06 Demo - time for a miniCHILL
15:58 Per STEP parameters
19:51 MESS Demo - Getting Glitchy
20:55 MESS.. it's a Multi Effects Step Sequencer
24:49 Demo - Huge and Spacey
25:34 MESSing it up from scratch
30:08 Demo - More Glitches
30:21 In a Nutshell...
CS80 inspired VCF
video upload by Cornel Hecht
"Both filters (HPF and LPF) feature adjustable resonance, which boosts the sound at the cutoff frequency. This gives the CS-80 its distinctive "singing" character, especially for string and brass sounds."
LA67 100 Series Modular Synthesizer
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"LA67 100 Series Modular synthesizer, inspired by Buchla 100 system from 1965, one of the first available modular synthesizers.
In a beautiful wooden case, complete with power supply and power cable to connect the controller skiff to the main cabinet, this 100 Series instrument is ready to go.
With the legendary Dual Sine Sawtooth Genermayor Model 158 the sound is simply amazing. Other modules include Control Voltage Processor Model 156, Dual Square Wave Generator 144, Bandoass Filter Model 194, Six Channel Mixer Model 106, 4x Dual Voltage Controlled Gate Model 110, 2x Dual Attack Generator Model 180, Timing Pulse Generator Model 140, Sequential Voltage Source Model 123, Dual Integrator Model 155, Envelope Detector Model 130, and Touch Controlled Voltage Source Model 116.
This type of system was originally concepted by Morton Subotnick, Ramon Sender, and Don Buchla for the San Francisco Tape Music center in 1963, and the original model is still in use at Mills College, with many other similar models in use at universities and high-end studios around the world, used by artists such Chemical Brothers, Ken Kesey and the Merry Pranksters, Alessandro Cortini, and held in the archive of the Library of Congress.
This LA67 version was carefully assembled and is in great shape and working flawlessly.
Includes custom padded cover.
Can ship or local pickup in NYC."LA67 100 Series Modular synthesizer, inspired by Buchla 100 system from 1965, one of the first available modular synthesizers.
In a beautiful wooden case, complete with power supply and power cable to connect the controller skiff to the main cabinet, this 100 Series instrument is ready to go.
With the legendary Dual Sine Sawtooth Genermayor Model 158 the sound is simply amazing. Other modules include Control Voltage Processor Model 156, Dual Square Wave Generator 144, Bandoass Filter Model 194, Six Channel Mixer Model 106, 4x Dual Voltage Controlled Gate Model 110, 2x Dual Attack Generator Model 180, Timing Pulse Generator Model 140, Sequential Voltage Source Model 123, Dual Integrator Model 155, Envelope Detector Model 130, and Touch Controlled Voltage Source Model 116.
This type of system was originally concepted by Morton Subotnick, Ramon Sender, and Don Buchla for the San Francisco Tape Music center in 1963, and the original model is still in use at Mills College, with many other similar models in use at universities and high-end studios around the world, used by artists such Chemical Brothers, Ken Kesey and the Merry Pranksters, Alessandro Cortini, and held in the archive of the Library of Congress.
This LA67 version was carefully assembled and is in great shape and working flawlessly.
Includes custom padded cover.
Can ship or local pickup in NYC.
via this Reverb listing
"LA67 100 Series Modular synthesizer, inspired by Buchla 100 system from 1965, one of the first available modular synthesizers.In a beautiful wooden case, complete with power supply and power cable to connect the controller skiff to the main cabinet, this 100 Series instrument is ready to go.
With the legendary Dual Sine Sawtooth Genermayor Model 158 the sound is simply amazing. Other modules include Control Voltage Processor Model 156, Dual Square Wave Generator 144, Bandoass Filter Model 194, Six Channel Mixer Model 106, 4x Dual Voltage Controlled Gate Model 110, 2x Dual Attack Generator Model 180, Timing Pulse Generator Model 140, Sequential Voltage Source Model 123, Dual Integrator Model 155, Envelope Detector Model 130, and Touch Controlled Voltage Source Model 116.
This type of system was originally concepted by Morton Subotnick, Ramon Sender, and Don Buchla for the San Francisco Tape Music center in 1963, and the original model is still in use at Mills College, with many other similar models in use at universities and high-end studios around the world, used by artists such Chemical Brothers, Ken Kesey and the Merry Pranksters, Alessandro Cortini, and held in the archive of the Library of Congress.
This LA67 version was carefully assembled and is in great shape and working flawlessly.
Includes custom padded cover.
Can ship or local pickup in NYC."LA67 100 Series Modular synthesizer, inspired by Buchla 100 system from 1965, one of the first available modular synthesizers.
In a beautiful wooden case, complete with power supply and power cable to connect the controller skiff to the main cabinet, this 100 Series instrument is ready to go.
With the legendary Dual Sine Sawtooth Genermayor Model 158 the sound is simply amazing. Other modules include Control Voltage Processor Model 156, Dual Square Wave Generator 144, Bandoass Filter Model 194, Six Channel Mixer Model 106, 4x Dual Voltage Controlled Gate Model 110, 2x Dual Attack Generator Model 180, Timing Pulse Generator Model 140, Sequential Voltage Source Model 123, Dual Integrator Model 155, Envelope Detector Model 130, and Touch Controlled Voltage Source Model 116.
This type of system was originally concepted by Morton Subotnick, Ramon Sender, and Don Buchla for the San Francisco Tape Music center in 1963, and the original model is still in use at Mills College, with many other similar models in use at universities and high-end studios around the world, used by artists such Chemical Brothers, Ken Kesey and the Merry Pranksters, Alessandro Cortini, and held in the archive of the Library of Congress.
This LA67 version was carefully assembled and is in great shape and working flawlessly.
Includes custom padded cover.
Can ship or local pickup in NYC.
Waldorf Rack Attack Percussion Synthesizer
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
via this Reverb listing
Ensoniq SQ-80 Cross Wave Synthesizer SN SQ-5003325-E w/ Original Box
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
via this Reverb listing
SN 212421
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"Vintage German Analog synthesizer - Vermona “Synthesizer“
The synth was serviced, everything works how it should.
Comes with the power cord."
via this Reverb listing
"Vintage German Analog synthesizer - Vermona “Synthesizer“
The synth was serviced, everything works how it should.
Comes with the power cord."
X Audio Systems Beats FM - Ultimate Noise Machine SN 006
Note: Auction links are affiliate links for which the site may be compensated.
via this Reverb listing
"The BEATS FM is an experimental all-in-one synthesizer and sound processor, with a warm analog sound and many sync options. A complete stereo analog audio path with the addition of a digital delay. Designed for experimenting with new sounds and noise textures with several modulating and processing power. The equivalent of 8 modules enclosed in a high-quality and elegant case."
You can find demos in prevoius posts here.
via this Reverb listing
"The BEATS FM is an experimental all-in-one synthesizer and sound processor, with a warm analog sound and many sync options. A complete stereo analog audio path with the addition of a digital delay. Designed for experimenting with new sounds and noise textures with several modulating and processing power. The equivalent of 8 modules enclosed in a high-quality and elegant case."
You can find demos in prevoius posts here.
Knas Ekdahl Moisturizer Spring Reverb Resonant Filter LFO preamp CV Synth module
Note: Auction links are affiliate links for which the site may be compensated.
via this eBay listing
"Ekdahl Moisturizer analog spring reverb, resonant filter and LFO module with power supply. Used, fully working and sounds fantastic. A unique, compact sonic laboratory with lots of modulation options for real time sound shaping."
via this eBay listing
"Ekdahl Moisturizer analog spring reverb, resonant filter and LFO module with power supply. Used, fully working and sounds fantastic. A unique, compact sonic laboratory with lots of modulation options for real time sound shaping."
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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
