MATRIXSYNTH

Patching the Octave Cat

video upload by boxoftextures

"Another amazing vintage synth recreation from Cherry Audio, this time the Octave Cat. Although possibly it should really be The Cat, from Octave. Either way, it's fun to program and sounds great. Always wanted one, back in the day. They also made the Kitten, a smaller version, and the Catstick, a joystick you could hook up to your other synths. Still want one of those!

And the Cherry Audio software version is excellent. It has character, and power. And it adds an extra page the original didn't have, with effects and a sequencer. Oh, and adds polyphony too. But it was the '70s, and we didn't really have such things back then, or at least most of us didn't.

In this video I'm making four patches from scratch. As usual. What's a little different is that I usually make a few before recording a video, just to get a feel for the synth. For this one though I just dove right in, so at times it may have taken me a little while to notice things, or figure them out. But it's not an overly complicated synth so wasn't a huge issue. And it sounds great. Which I may have mentioned before LOL

Mastodon: https://vmst.io/@selgart
Twitter: https://twitter.com/selgart
Patreon: https://www.patreon.com/boxoftextures"

Patch of the Week: TRIPLE CROSS - Voltage Controlled Sound Switching with a Step Sequencer

video upload by AJH Synth Official

"The Triple Cross crossfader/panner module from AJH Synth & Tone Science makes a lot of things possible. Here it is being used as a voltage-controlled switch, to change between 4 incoming sounds, and send the chosen sound to its output. This means it can serve as a very convenient method of changing between multiple sounds, perhaps in a live performance, moving between different patches manually using the sturdy, tweaking-friendly controls. However, this behaviour can also be controlled by CV, so the process can be automated, and controlled by other modules, keyboards and sequencers.
In this patch a 4-channel/track step sequencer is being used - the excellent Erica Synths Black Sequencer. One sequencer track is used to send a melody to the VCOs and Gates to trigger the envelope generator. The other 3 tracks are controlling the 3 channels of the Triple Cross, to pan the Fade control hard left or right, like junctions on a railway track, so that the exact sound of our choosing arrives at the module's output, precisely when we want it.
Various combinations of the 3 VCOs, white noise, sub-octaves/sub-basses from the Ring SM, and animated sawtooths from the Wave Swarm are sent to 4 separate filters: The Transistor Ladder Filter, Sonic XV Diode filter, and both filters of the Gemini 2412 Dual VCF. A single Dual Contour Generator is controlling the VCA level, and the frequency of all 4 VCFs. The Sonic XV is also using its wave folder to generate a more unusual timbre from just a single triangle wave. The Triple Cross is a collaboration between AJH Synth and Ian Boddy of the Tone Science record label. It is an exceptionally useful module, being suitable for use with both audio, and control voltages, since it is DC-coupled. More videos featuring this, and other modules in the future.
Tone Science Label: https://dinrecords.bandcamp.com

The AJH SYNTH Eurorack range consists of high-end modules, all hand-made in the UK, most of which are based on classic, vintage designs, authentically recreating the circuitry of much sought-after analogue instruments and technologies of the past, whilst greatly expanding them, and bringing them to modern Eurorack levels of convenience, limitless flexibility, and reliability.

Check out the AJH Synth playlists for module 'User Guides', and 'Patch of The Week' videos, which will be either performances or 'how to' guides, detailing functions/methods, and a range of sounds, some familiar, some less so, containing a patch sheet at the end to show you how to construct it for yourself."

Qun mk2 drone demo

video upload by Nunomo LLC

"Drone demo. Slow, image of wind. #ambientmusic"

Nunomo QUN mk2

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via NOISEBUG Reverb

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Analogue Solutions Colossus w/ Lab Coat

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via this auction

"It’s an amazing synth with the capabilities of 3 or 4 synths. 12 oscillators, 6 filters (ladder and mm) 4 ADR/S and 4 ADSR envelopes, sample and hold, slew, ring mod, pin matrix, 32 point sequencer x 2 and 2 capacitive touch 2 octave keyboards. stunning to look at."

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Korg PS-3100 Its Alive!

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via this auction

Pics of the inside below.

"Aesthetic condition 7/10

Electronically 90%

Functionality 65%

Description:

The instrument turns on and makes sound. Keybed is working via the trigger output fully and trigger all notes, however some note behave differently and randomly. This most likely cause by the cracked pcd slots, which is a n issue with most ps-series synths. I recommend you take a look at the youtube video.

Wave forms, vco, is working and can select pulse, saw, noise etc. Other functions seem to be functioning correctly via the eg output. Also all other functions on the control panel seems to be working as it should.

Buttons and knobs are working, but need work or replacement as there is some crackle and noticeable hiccup especially with the switches and selectors. This probably needs cleaning or replacement.

Originally when i bought this synth it did not turn on, so I asked the tech to change all the capacitors (about 100) to see if it will turn on and make sound safely.

As mentioned above, the pcb slots are cracked and need replacement. There is a 80% chance that after replacing these slots, the synth will work properly but i will leave that judgement to a pro.

Also some retracing or treatment need to be done, due to corrosion (10%). I have more photo's and video's available, a drive link can be shared to see."

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Kawai S-100P * MUSEUM CONDITION * ( / Teisco )

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via this auction

"Amazingly expressive instrument with a super warm 70's tone to it.

A Real analog Spring Reverb, and Flanger effects are built in.

Portamento /Glissando switchable and variable

Hold / Sustain switch

Various Touch effects (triggered via Aftertouch)

Expression Pedal input on the back

Auto Repeat on / off

It's in a truly amazing, museum-worthy condition !!

And fully functional.

The 'Transpose Up / Normal / Down' switch left to the keyboard has lost some of It's firmness, but functions perfectly nonetheless."

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Crumar DS2

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via this auction

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Space duophonic sound with with Moog Subsequent 25 (no talking)

video upload by Mr. Card

"Check out my private collection of Sweet Sounds dedicated to Moog Subsequent 25: https://bit.ly/moog25sweet and Bass Machine collection https://bit.ly/moog25bass but also Analog Beast collection: https://bit.ly/moog25analog"