Roland JX-3P Polyphonic Synthesizer w/ PG-200

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via this auction

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Minimoog Voyager Monosynth SN 1581

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Moog Memorymoog Plus SN 1438X

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Cosmotronic Vortex - Complex Oscillator (Demo)

video upload by Cosmotronic

"Two VCO's, each with a unique waveshaper and folder and a 2-pole low pass filter. An FM index bus lets you patch complex cross modulations using exponential and thru zero linear FM. The left VCO can be phase modulated, while the right VCO can be amplitude modulated, and everything under CV control.

All sounds coming from Vortex, envelopes and vca's come from Delta-v.
Everything 100% analog.

Timecodes:

0:00 Right VCO - Noodling
3:37 Duophonic patch
4:57 Right VCO Sine out: Waveshaping, AM, FM
6:17 Right VCO jam, using CV envelopes
11:02 Right VCO main out, raw waveforms
11:28 Left VCO, raw waveforms
12:29 Modulation madness"

See this post for additional details on the Cosmotronic Vortex.

Patch Tuesday - Variable Wavemorpher with Select 2

video upload by Joranalogue Audio Design

"Did you know that Select 2 can handle audio as well as CV? In this #PATCHTUESDAY video, we're using the input selector switch on S2 to 'morph' between two waveforms, creating an ever-shifting hybrid signal. Add filtering to taste! #eurorack"

OP-1 Deep Dive #2 | Pulse synth engine

video upload by Oblivion Corner

"The Pulse synth on the Teenage Engineering OP-1 synthesizer is described as being a "dual pulsetrain oscillator". This OP1 synth engine works primarily by allowing you to change the distance between the two pulses that form the oscillator. Additionally, a one knob filter, amplitude and modulation control round out the sound shaping options available on this OP-1 synth engine.
#op1 #synth #teenageengineering

Contents:
00:00 Intro
00:20 OP-1 Pulse Filter (blue)
00:52 OP-1 Pulse Amplitude (green)
01:44 OP-1 Second Pulse control (white)
02:50 OP-1 Pulse Modulation (orange)
04:00 Fave OP1 Pulse synth sounds

If you'd like to support this channel with a one-off purchase, please check out our affordably priced music: https://synthandsundry.bandcamp.com

Oblivion Corner OP-1 Deep Dive posts

Buchla 288r Multi Audio Processing

video upload by Todd Barton

"A look and listen to processing the tap outs of the 288r through different audio processors: Spectral, Ring and Frequency Shift. Also a big shout out to Kyle at Source of Uncertainty podcasts and Patreon for an excellent, don't miss deep dive into the 288r. If you have the module or are contemplating getting one you have to watch his video! Source of Uncertainty Podcasts:
https://sourceofuncertainty.audio/pag...
Source of Uncertainty Patreon:
https://www.patreon.com/sourceofuncer...
My Patreon:
https://www.patreon.com/synthtodd"

DIY Eurorack Case Part 2: Power Supply

video upload by Extralife

Extralife DIY Eurorack Case posts

"In this video I finally finish up wiring my reclaimed wood eurorack style synth case. I show how to install a basic switchmode power supply using a busboard, Meanwell RT-50B, some wire, and a few connectors. Supplies used are listed below:

16" eurorack bus-board by Jacob Barss-Bailey: https://www.tindie.com/products/jbars...

Meanwell RT-65B swithmode power supply: https://www.jameco.com/z/RT-65B-MEAN-...

Switched power entry module with fuse and EMI filter: https://www.jameco.com/webapp/wcs/sto...

Power entry fuse: https://www.jameco.com/z/TSC-5A-Jamec...

Quick disconnect crimp-on terminal: https://www.jameco.com/webapp/wcs/sto...

Faston solderable disconnect tabs: https://www.jameco.com/webapp/wcs/sto...

Screw-in hex standoffs: https://www.jameco.com/webapp/wcs/sto..."

Five Filtered-Noise Patches

video upload by John L Rice

"WARNING: TURN YOUR VOLUME DOWN!
Sorry, I think this video turned out a little louder than I intended it to be, it was a rush job for fun!

Index:
0:00 Beginning
0:20 Ultrasound Cat
2:30 Caterpillar
3:51 Ten Pound Termites
6:00 Heavy Breather Cat
7:03 Crazy Cat And The Modular Couple
10:37 End

All patches used at least the noise from the Mos-Lab 923 Filters and Noise module and the Club Of The Knobs C914B Fixed Filter Bank.

As always, thank you for watching, rating, following, and commenting! 🥳
Please consider "buying me a coffee" if you found this content helpful or entertaining: https://www.buymeacoffee.com/JohnLRice"

Roland Jupiter 8 w/ Kenton Midi Kit & Flight Case SN 030117

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via SYNTH CITY Reverb

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"This Jupiter 8 is in great working condition and was just serviced and calibrated.

New Kenton midi kit freshly installed, pro job by our in-house tech. However, the previous owner attempted the midi mod and hacked out the rear panel in the process (hence the large metal plate and missing ROLAND logo). DCB port has also been removed.

Cosmetically the synth is in very good condition despite the rear panel. The keys are in great shape and are very white. All buttons are functioning fine and it sounds incredible as usual!

Includes original manual and flight case."

Kenton Midi Mod info further below.

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