Simmons Digital Clap Trap Drum Synthesizer

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"This unit's been professionally serviced and is working as it should."

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Simmons SDS7 Drum Synthesizer & Face Plate Replacement

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Two separate listings.

SDS7 Drum Synthesizer via this auction

Face Plate Replacement via this auction

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"This unit has been meticulously refurbished and is working like new again and better than the rest.

In additional to sorting out any problems, we paid our tech to make this unit better than others on the market, a process that took a whopping 30 hours of skilled vintage synth tech time, plus parts costs.

Fully disassembled and cleaned inside and out
Replaced electrolytic capacitors in power supply
Resoldered regulators
Replaced all RAM (6166 x 10)
Installed new battery
Reloaded sounds off cartridge to first 80 kit banks
Cleaned all switch contacts
Replaced many IC sockets
There was a broken XLR connector, so we had to painstakingly remove the original rivets to remove the circuit board, replace the connector, and then Instal new rivets for 13 female XLR connectors - a time consuming PITA
Cleaned and lubed all pots

This unit is intentionally priced at what we believe to be top market value because of the big investment of time, love and money to make it better than others you may find.

7089x"

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Serge Modular Music System Synthesizer System Panel Rare

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"80s Vintage Serge Modular Panel with Rare Modules For Sale

This panel contains the following modules:

Ring Modulator
Wilson Analog Delay
Dual Phaser
Wave Multiplier
Gentle Electric Pitch & Envelope Follower

We did the following servicing to this panel:

Installed ground wire. Fixed an original assembly error that went unnoticed for decades (preamp wiring was wrong). We cleaned all pots and tested all functions and everything's crackle-free and appears to work as it should. The WAD in2 pot is a bit crooked but works fine. A few of the pots on this and the other panel we just put up for sale may physically move a little beyond their original range at zero or max or may not feel 100% smooth like a new pot. This is typical of these vintage pots. They do however work perfectly fine.

Power supply not included."

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Serge Modular Resonant Equalizer x4 EQ Panel Modular Rare

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Moog Model 15 Analog Modular Synthesizer 5U Reissue

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"Moog Model 15 modular synth w/ cables, Moog book, front case panel door, sounds excellent works great."

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Oberheim Special Edition TVS-Pro

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ARP Solus w/ Case

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Kawai SX-210 61-Key Analog Synthesizer SN K6765

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"It's an 8 voice, single oscillator DCO (with sub-oscillator) synth that is roughly like a Juno in its basic sound, only a bit darker and lusher thanks to the excellent SSM-2044 filter. Programming is fast and simple: you select the parameter via its button (every parameter has a button; no menu diving), then use the dial to select the value. Despite its simple architecture, there are a number of features on board here: portamento and glissando, chord memory, dual and mono modes with stacked voices, an ensemble effect that is great for strings, etc.

This synth is fully functional and sounding great. It is extremely clean aside from some wear on the right wood panel. One screw is missing from the bottom. All in all, a nice example of a rare, under the radar synth."

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Technosaurus Microcon SN TMC-2030 w/ Original Box

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Schlappi Engineering THREE BODY / extensive playthrough / extremely versatile complex vco

video upload by BRiES

"In this video about Schlappi Engineering's THREE BODY I try to explain and demonstrate the multitude of functions, modulation options, inputs and outputs. There's sound examples scattered throughout the video to break up the monotony of me talking all the time.

THREE BODY is so very versatile and due to it's precise logic based core functionality it's very straightforward to dial in precise FM or PM tones that are usually quite impossible to achieve with regular analog vcos. If you want the dirt of waves bulking and crashing into each other (regular 'free' fm and pm), it's just a flick of a switch and you're there.

Because it's a very long video please have a look at the chapter markers at the bottom of this description box. Those should make it easier for modern crowds to navigate the video. You can of course go retro and just sit back and enjoy the show, but you might have to pause the video halfway to fetch drinks and icecream (and possibly for a bathroom break).

I hope you enjoy this extensive playthrough."

Also see Schlappi Engineering's Three Body Hardware Design and Why I Used an FPGA