Tuesday, May 05, 2020
Comparing Exponential, Linear, and Through-Zero FM
Published on May 5, 2020 Omri Cohen
"If you like what I do and want to support my work, consider joining my crew on Patreon - https://www.patreon.com/omricohen
00:00 Introduction
01:00 - Exponential FM
12:05 - Linear FM
19:10 - Through-Zero FM
20:58 - Example"
R.A. Mini Moog synthesizer Model D extremely rare made in March 1971
Note: Auction links are affiliate links for which the site may be compensated.
This one was spotted and sent in via M Me.
via this auction
"Up for sale is a (1) very rare R.A. Mini Moog synthesizer Model D. The serial number is 1045, it's the 45th Mini Moog on the planet and it's manufactured in March 1971. All boards have serial number 1045 except the vco board which has serial 1043. Jim Scott, who worked with Robert Moog in Trumansburg N.Y., told a friend of mine that it was messy in the beginning days of the factory. It was quite normal that synths left the factory with different numbers on the boards inside. The most important thing is that the boards are all R.A. Moog ones. Someone installed cv / gate inputs a couple of years ago, so it's not fully original anymore unfortunately. But the cv / gate is working fine.
The synthesizer sounds absolutely awesome! The oscillators are very raw and the filter is way better than on newer Minimoog synthesizers.
The synth is just been serviced and in perfect working condition. It's running on 220v and there is an European plug installed to the lead."
This one was spotted and sent in via M Me.
via this auction

The synthesizer sounds absolutely awesome! The oscillators are very raw and the filter is way better than on newer Minimoog synthesizers.
The synth is just been serviced and in perfect working condition. It's running on 220v and there is an European plug installed to the lead."
Blacet Filthy Filtre VCF Frac Format
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"12 dB State Variable design
Voltage control of frequency and Q
Two position Q switch: "Filthy: X10, X100"
+/- CV mod attenuator with switchable destination: Freq or Q
VC mode select: switch or morph (LP, BP, HP, All Pass)!
Plus separate mode outs: LP, BP, HP, Notch
This is a 12dB/octave response voltage controlled filter. The design is based on the classic State Variable configuration that provides simultaneous low pass, band pass and high pass outputs. In addition, the Filthy Filtre has notch and all pass (phase shift) outputs.Voltage controlled Q is also provided with a special dual range feedback circuit that gives maximum total crunchy mind warping self oscillation. Beware your ear drums, amps and tweeters at high levels! An additional modulation input, routable to either frequency or Q through a bipolar attenuator, is a handy feature.The mode or filter type is also voltage controllable, allowing switching or morphing between low pass, band pass, high pass and all pass filter types. Separate audio outs for most filter types are also found at the module bottom.
Note : as this is a Frac module it is not power-compatible with eurorack systems (ie this needs +- 15V)
if you have a frac system however it is patch compatible with a eurorack system"
via this auction
"12 dB State Variable design
Voltage control of frequency and Q
Two position Q switch: "Filthy: X10, X100"
+/- CV mod attenuator with switchable destination: Freq or Q
VC mode select: switch or morph (LP, BP, HP, All Pass)!
Plus separate mode outs: LP, BP, HP, Notch
This is a 12dB/octave response voltage controlled filter. The design is based on the classic State Variable configuration that provides simultaneous low pass, band pass and high pass outputs. In addition, the Filthy Filtre has notch and all pass (phase shift) outputs.Voltage controlled Q is also provided with a special dual range feedback circuit that gives maximum total crunchy mind warping self oscillation. Beware your ear drums, amps and tweeters at high levels! An additional modulation input, routable to either frequency or Q through a bipolar attenuator, is a handy feature.The mode or filter type is also voltage controllable, allowing switching or morphing between low pass, band pass, high pass and all pass filter types. Separate audio outs for most filter types are also found at the module bottom.
Note : as this is a Frac module it is not power-compatible with eurorack systems (ie this needs +- 15V)
if you have a frac system however it is patch compatible with a eurorack system"
Ensoniq SD1 Music Production Synthesizer in Original Box
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"The SD-1 is the polyphonic aftertouch wavetable synthesizer of the 90s your music craves. Ensoniq produced a powerful workstation capable of sequencing full songs and patterns, this hardware will invite you to spend days forming otherworldly patches that modern gear has yet to touch. Change up your performance with 32 voice multi-timbrality and two patch blender/variation buttons for evolving sounds that grow deeper than your dreams."
via this auction
"The SD-1 is the polyphonic aftertouch wavetable synthesizer of the 90s your music craves. Ensoniq produced a powerful workstation capable of sequencing full songs and patterns, this hardware will invite you to spend days forming otherworldly patches that modern gear has yet to touch. Change up your performance with 32 voice multi-timbrality and two patch blender/variation buttons for evolving sounds that grow deeper than your dreams."
ARP Omni 2 Keyboard Synthesizer Serviced with Purple LED Sliders
Note: Auction links are affiliate links for which the site may be compensated.
Uploaded on May 4, 2020 Synth Chaser
via this auction, also on Reverb
Uploaded on May 4, 2020 Synth Chaser
via this auction, also on Reverb
Moog MiniMoog Voyager XL
Korg DSS-1
Note: Auction links are affiliate links for which the site may be compensated.
via this auction
"The Korg DSS-1 is a 12-bit polyphonic sampling synthesizer featuring both conventional digital subtractive synthesis, harmonic synthesis and sampling for its sound source. Really want to fill out a mix? Analog filters and envelopes on top of the dual digital delay section, and a great "unison" feature makes it possible to create a wide palette of tonality.
This particular unit is in excellent condition and ships with 'Brass Instruments' to get you started. Power cord included."
via this auction
"The Korg DSS-1 is a 12-bit polyphonic sampling synthesizer featuring both conventional digital subtractive synthesis, harmonic synthesis and sampling for its sound source. Really want to fill out a mix? Analog filters and envelopes on top of the dual digital delay section, and a great "unison" feature makes it possible to create a wide palette of tonality.
This particular unit is in excellent condition and ships with 'Brass Instruments' to get you started. Power cord included."
Raconteurs Tour Edition Stylophone by Dubreq in Gold / Black Rare Jack White Third Man w/ Box!
Abstract electronic music
Published on May 5, 2020 Cray
Lorre-Mill Double Knot on the left. Empress Zoia & POLY Effects Digit to the right.
New Make Noise 0-CTRL Sequencer
"The Make Noise 0-CTRL is a patchable, clockable controller and step sequencer for voltage controlled synthesizer systems. Designed to be patch pals with the 0-Coast, it is a tabletop device whose inputs and outputs follow Eurorack standards, making it also a great partner for a modular system or another patchable tabletop synth.

- Sequence and Control the Pitch, Strength, and Time of your synthesizer voice, per step
- Voltage control over Stop and Direction
- Dynamic Reset, select Reset Step while sequencing
- Pressure and Touch Gate outputs for human generated events and expression
- Dynamic Envelope and Gate outputs allow for voice loudness/ strength per note
- Gate output per step for patch programming sequence behavior and triggering unique events per step
- Synchronize the 0-CTRL via the Clock In, or clock other machines with the Clock and/ or Gate Outs
- Sequence your synthesizer and play it by hand simultaneously with Sequence Interrupt
- Pairs well with the 0-Coast, Tape & Microsound Music Machine, or anything having CV Inputs
Specifications:
Dimensions: 5.5 x 9 x.75 inches
Weight: 1.7 lbs.
Power Requirement: +15VDC on 2.1mm Tip Positive Connector
Includes Power Adapter, Patch Cables
MSRP: $399"
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© 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