MATRIXSYNTH


Tuesday, July 04, 2023

Clavia Nord Modular Virtual Analog Synthesizer SN 99040900

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


via this auction, also on Reverb

Fully Upgraded Roland MKS-70 with Retroactiv MPG-70

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


via this auction

"The MKS-70 has every possible upgrade: Vecoven flash board with multiple banks of patch storage; professionally installed Vecoven PWM upgrade kit which puts this synth into Jupiter & CS-80 territory; Guy Wilkinson upgraded power supply which is WAY more efficient, stable, and runs much cooler; low noise cable routing mod; OLED display upgrade; and fresh battery. This already great synth is ready for the next 40 years, and runs circles around a stock unit! It's also loaded with dozens of stunning patch banks, including one that makes heavy use of the new PWM mod.

On top all that, the new version of Retroaktiv's MPG-70 programmer - the mk3 with optional patch storage upgrade. This is crucial because it gets around Roland's Patch/Tone storage limitations. And of course it gives you hands on control of every parameter AND it works as a universal MIDI controller for any synth or plugin!

All in, this whole bundle was over $4100 with parts & labor"

Yamaha CS-50 Synthesizer w/ 6-Voices & Aftertouch Mod

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via this auction

pics of the inside below.

"I bought a CS-50 years ago and modified it with a couple of extra cards to be a 6-voice. It is serial number 1031 which is the earliest unit I know of. The rails were actually drilled for six voice cards from the factory; I expect they intended the CS-50 to be a 6-voice and later backed off to four voices. The two additional voice make it much more musically useful IMO.

The new voice cards are original CS cards that were plumbed into the SH and KAS boards with the required modifications on those boards to make it happen. The wire looms were made by hand using Yamaha wiring and all the correct color-codes (of course) which match the coding in the CS-60. It's a very professional job using wax-coated lacing for the harnesses.

The voice boards have been modified to include LEDs which illuminate when the card is activated for ease of maintenance. All circuit boards have been fully recapped. The power supply has been fully-reworked with a new power cord, all-new capacitors, rectifiers, opamps and all power transistors on both the circuit board and the heat sink.

It has also been modified to have Sustain pedal function like the CS-60 and CS-80. I did not add an On/Off switch on the panel as on the later units, rather all the switching is done internally when a Yamaha sustain pedal (or other NC pedal) is plugged into the added socket on the back panel.

It includes the lid, but there are no legs. The metal box that contains the power cord when it is stuffed up inside the synth is missing. There are some scratches on the left modulation panel and right power switch panel, but the main panel is in pretty good shape.

Another modification I did was to re-route the aftertouch volume Level paddle to instead control the LFO Speed. I find it much more expressive that way, but I can easily put this back to normal operation if a buyer would like to have that modification removed. The unit has been completely calibrated and is ready to go."

Oberheim Matrix-12 SN 706830 w/ Side Panel Output Expansion & Hard Case

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via this auction

Cwejman S1 MK2

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via this auction

#19-030

JoMox AiR Base 99 SN 0450 - 1872

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via this auction

"Amazing drum module that is fully controllable with midi CC."

26 - The Arturia MiniFreak- The Matrix


video upload by AutomaticGainsay

"Here is a demonstration of the modular 'matrix' functionality found on the Arturia MiniBrute."

Arturia MiniFreak demos by AutomaticGainsay

AXON-1 & 2 Expanders - Basics


video upload by ALM TV

"The AXON-1 & 2 provide Pamela’s PRO Workout, SQUID SALMPLE, and MFX with four additional freely assignable CV inputs. The AXON-2 additionally provides manual offset controls with each CV input along with two performance buttons that can be mapped to various functions depending on the host module.

The AXONs function in a similar way with all three of the host modules with only one AXON supported per host at any time. Here we take a look at using both AXON-1 and 2 primarily connected to the Pamela's PRO Workout."

Harmonic Shift Oscillator as a double Percussive + Melodic Voice #ambient #darkambient #eurorack


video upload by New Systems Instruments

"July 4 sale ends today! Save 10% at nsinstruments.com w code NATIONSARELIES

Patch Notes: output is one of the HSO outs (the other is just going to the oscilloscope), through the VCA. The V/O input is driven by a keyboard going through one Inertia which is giving it just a bit of portamento. That Inertia also has pitch cv negatively modulating the rate so that it slews less on lower frequencies. The keyboard trigger output is going to some manual switches (ADDAC 304) so I can control which envelope to trigger. Two Inertias are acting as envelopes, one for the more percussive sound and one for the melodic sound. They’re joined in Babel via the ANY (maximum) out and sent to the VCA. The Inertia doing the percussive envelope also has the second order out going to the harmonic stride CV; the Inertia doing the melodic envelope has the second order going to the harmonic level cv. Last, pitch cv is going to the percussive inertia fall time, such that higher notes fall faster than lower notes."

Jouranalogue Introduces Bias 2

Joranalogue Audio Design BIAS 2 / quick but extensive playthrough / offset, mix, average, scale, ...

video upload by BRiES

"In this video about BIAS 2 by Joranalogue Audio Design I showcase how the module operates and how you can use it for precision mixing, dividing or averaging, offsetting, amplification, scaling, etc. I added 2 pratical use cases to demonstrate BIAS 2s usefulness."



"Voltage control is the basic tenant of modular synthesis: parameters may be modulated by changing control voltages (CVs), simply by plugging in a patch cable. However, during patching it's common to encounter incompatible voltage ranges, with signal outputs and inputs having different amplitudes and sensitivities.

An indispensable utility module, Bias 2 provides a compact yet precise solution to quickly interface signals between modules within a Eurorack modular system, without interrupting your creativity.

Comprising of two independent sections, each with dual inputs and dual outputs, its carefully selected combination of normalised reference voltages and amplification/attenuation factors makes it a breeze to convert between the most common signal ranges: –5 to +5 V, 0 to +5 V and 0 to +10 V.

Precision comes standard on Bias 2, with meticulously engineered analogue signal paths providing absolutely transparent performance for any Eurorack signal: CV, audio or gates/triggers.

Beyond the voltage conversion application, Bias 2 is a true all-rounder, capable of functioning as a pair of dual input unity gain mixers, –6 and +6 dB audio gain stages or a multi-output fixed voltage source."
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