Dave Smith Instruments Poly Evolver PE SN 00743

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via this auction

"This is the PE (potentiometer edition) with brand new knobs. Also comes with brand new power supply."

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ARP QUADRA

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Oberheim Matrix-1000

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"MIDI programmable Oberheim Matrix Module loaded with 1000 presets. Each of its 6 voices have two DCO's (digitally controlled analog oscillator), a low pass filter, 2 VCA's, 3 envelope genertators, 2 LFO's, and 2 ramp generators. The Matrix 1000 provides an excellent source of pads, textures and ambient sounds. Made in the USA. Some rack rash on top and bottom of chassis."

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Oberheim OB-8 SN C33318 w/ MIDI & New Fatar Keyboard

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video upload by Douglas McKendrick

"Klassic Keys quick demo of our 1984 Oberheim OB-8"

via this auction

"Does it get any better than this? An immaculate example of an original analogue Oberheim OB-8, looking like its just emerged from the small LA factory in 1984 39 years ago. No mods. No hatchet repairs etc, with MIDI, new Fatar keys and (copy) owner's manual. Arrived from Switzerland March 2023, double-checked/serviced/calibrated by our TOP OB specialist...now back with us in the E.Midlands. There are now some wicked sounds on board.... be warned, this synth sounds staggeringly good..."

Picks of the inside below.

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Two channel CV Gate Attenuator for 3.3V/5V logic with an arrow indicator or voltmeter

video upload by DeftAudio

"An overview of the CV/Gate attenuator with various options. Available here: https://www.tindie.com/products/defta..."

"Deftaudio Two Channel CV Gate Attenuator for Eurorack
Two channel gain and max voltage passive attenuator with three options available:

Basic version, two channel with 3.3V, 5V limits, precise adjustment and LED control
Indicator version, two channel with 3.3V, 5V limits, precise adjustment with a vintage arrow indicator per channel
Voltmeter version, two channel with 3.3V, 5V limits, precise adjustment with a single digital LED voltmeter
Description:

This is simple and efficient board to adjust voltage level when interfacing between Eurorack gear and to the outside world. It's specifically important for Gate levels, which exceed typical voltage level of 3.3V or 5V and go all the way up to 12V. While modular gear typically designed to handle those voltages, other instruments such as sync or arp inputs on vintage synths may not have a protection at all.

This board designed in mind with three modes of operation which are not available in other products:

3.3V logic limit. This mode is protected by a Zener diode and meant for interfacing to 3.3 logic gear, such as microcontrollers, Arduino, Teensy, etc.
5V logic limit. This mode similarly has a Zener diode circuit for 5V logic of the majority synthesizers sync, arpeggiator and other various trigger inputs.
Attenuation. In this mode multi-turn potentiometer sets the attenuation ratio. While two other modes set the max voltage limit, in this mode the output voltage is linearly scaled down to the attenuation ratio set.
Purchasing options:

PCB only: Only PCB board is included, other parts, such as connectors, diodes, resistors and LEDs are sourced by a buyer.
DIY Kit: Comes with all parts including arrow indicators or digital voltmeter per selected option. Soldering is required.
Assembled board: this option is NOT planned at the moment."

Star Wars Theme played on GSi Mini Orchestra

video upload by Genuine Soundware

"Visit: https://www.genuinesoundware.com/?a=s...
The sound comes entirely from the App GSi Mini Orchestra running on the iPad. No sequences, entirely played live with two hands on that 61-key controller."

MOTOR SYNTH MKII jam by the incredible @juliabondarmusic ⚡️⚡️⚡️ #modularsynth #synthesizer

video upload by Gamechanger Audio

Motor Synth MKII jam by @photosinferno 👏#motorsynthmk2 #gamechangeraudio #modularsynth

video upload by Gamechanger Audio

YAMAHA CK61 Demo & Review

video upload by musictrackjp

DEMO by Katsunori UJIIE.

Korg Drumlogue // First Touch // Tweaking Factory Bank D // Part FOUR // No Talking

video upload by LESINDES

LESINDES Korg Drumlogue demos

"In FIRST TOUCH with KORG DRUMLOGUE and trying to hack through the menues and features of the machine.
This is the PART FOUR of the session.

Min. Chapter
00:00 Intro
00:14 Donca Rock
08:05 Checkout
11:03 Triplet Pops
12:21 Credits"