Korg MS-20 Mini Semi-Modular Analog Synthesizer

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Just the one pic. This is a supporting member listing.

Oberheim OB-8 Fully Overhauled and Restored SN C33508

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"Fully overhauled in 2021 by one of the two best synth restoration and repair shops in the country. Not just some contact cleaning and battery swap and listed as "fully serviced". This was restored to last another 30 or so years. Every single potential future problem was replaced and calibrated. I have all documentation to prove it which is also something people normally list and cant provide. Local pick up or drop off in Southern California only for now. I have a brand new unopened Fatar drop in replacement keyboard to go with it as well but they did such a good job restoring the original that I just left it as is.

Full list of overhaul below but please inquire for more details:

Power supply updated, replaced all smoothing capacitor, bridge rectifiers, regulators and trimmers.

Replaced ALL electrolytic capacitors throughout the whole synth.

Replaced ALL trimmer potentiometers throughout the whole synth

Replaced ALL analog switching ICs throughout the synth due to their known high failure rate

Replaced CV sample and hold capacitors due to their known high failure rate

Batteryreplaced and factory sounds loaded

All panel controls cleaned

Cleaned keyed and all keys, cleaned key contact strips and polished contact on keyboard PCBs. ALSO INCLUDES REPLACEMENT FATAR KEYBOARD for the future and if preferred to the original keyboard. They did such a good job on the keyboard I never bothered installing the fatar.

Calibrated to factory standards and had a 24 hour burn in.

This was a more than thorough overhaul by one of the best in the whole world."

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Korg SQ-10 Analog Sequencer SN 151076

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POLLARD SYNDRUM TWIN Electronic Drum Synthesizer. Model 278. SN 1729

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E-MU EMULATOR III

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Roland Juno-6 Analog Keyboard Synthesizer

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Roland SH-7 Polyphonic Vintage Analog Synthesizer

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Buchla Easel Command 208C - Orange

video upload by TheTrackdriver

"A piece of music recorded live. The two melodic stems come from the Buchla Easel Command 208C which is receiving MIDI from Steinberg Nuendo plus the internal sequencer. Some parameters are controlled by the Buchla 281 clone and the glide at the end by the 266. Chords are from the Waldorf Blofeld, bass from the Moog Sub37 and drums from the Akai Rhythm Wolf.

The blackbirds were filmed with a Panasonic Lumix DC-G9 with a Panasonic Leica DG 100-400 lens. The bird song was captured with a Røde VideoMic GO II."

S-CAT Filter & TR-808

video upload by Space Cat Audio Technologies

"The TR-808 is running directly into the Filter. Both sides are set to PHASER.
Switching between DUAL & LINK allows you to access FILTER I with modulation or FILTER II for manual use."

AJH Patch of The Week: Sample & Hold & Sequence - Sequencer-synced random filter modulation

video upload by AJH Synth Official

"A simple patch showing how you can use a Sample & Hold module to spice up your sequences, by having it generate a new voltage on each sequence step, then using it to modulate the filter in a way that adds interest and variation to each note or beat. This technique has been used in electronic music since the 1970's, and it can still sound great. It will also work with an arpeggiator, which is what I use in the video, or simply the gate output of a keyboard controller played manually.

Patch Sheet PDF for this video: https://kvisit.com/8AE/z_kG
Patch notes also further down the page.

Index:
00:00 Intro
00:23 Setting up the patch
01:00 How it sounds
01:56 CV MIX & combining modulation
03:32 Using DUAL RVG for S&H
04:28 Patch Sheet

Patch Notes:
Green dots show approximate pot and switch positions. Pots and switches that do not have green dots are not used in this patch, and should be left at their zero or off positions.
VCO: This is arbitrary for this patch - I'm using 2 VCO's and pink noise from the Glide + Noise module to provide a mix of frequencies, but you can use any audio source.
VCF: I used the Ladder Filter as it's a more common filter type, but it will work with any VCF, and I'd recommend trying band pass with something like the Sonic XV, as that will scoop both the high and the low frequencies as the Sample & Hold modulates it.
Sample & Hold: The Rate control isn't needed here, because the incoming clock replaces the internal LFO. Multiples: Any can be used, it's simply to allow the Gate signal to be sent to both envelope generator and Sample & Hold clock input.
Envelopes & VCA: Again, any can be used, such as the Contour Generators and Muting Mixer & VCA. On the VCA's, always start with levels low at first.
Modules used from top-left to bottom-right: Glide + Noise, Vintage Transistor Core VCO x2, Transistor Ladder Filter, Sample Hold & Slew, Gain Switch (or multiple), DH-ADSR Envelope, Discrete Cascaded VCA."