MATRIXSYNTH

Ensoniq ESQ-1 Digital Wave Synthesizer

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"Great pads and keys, nice basses. Definitely fits into the spot of 80s-90s type sound workhorse, if you want the one of the machines that just immediately evokes those sounds, this can do it. What is interesting is how it can be pushed into experimental and more modern sounds pretty easily as well.

New battery with holder instead of solder-in replacement to ease future replacement.
Cleaned inside and out
Four hex-head screws hold control panel down. One piece had been cracked and was inside the unit. This has been epoxied in and everything screws down tight and flush.
Volume and data sliders have been replaced. Volume was bad, replaced data just because.
Yellowed keys have been whitened and blended for decent matching and overall color
Comes with power cable
Every connector tested and working"

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CRUMAR COMPOSER - mega rare vintage analog polyphonic keyboard synthesizer

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Pics of the inside below.

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SOLTON PROGRAMMER 24 vintage rare poly synthesizer, the ITALO DISCO synth!

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JEN SX-1000 vintage analog monophonic synth

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CRUMAR BIT ONE SN 01295

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ARP QUADRA

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Two pics of the inside below.

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Rare Analog Roland TR-808 Clone - Drum Line 808Pro Drum Machine Synthesizer Synth

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Never seen one of these before. Note the Retro Gear Shop is a watermark and not printed on the unit.

"Drum Line 808Pro

This is a very rare Roland TR-808 style clone. It sounds quite awesome and is very fun to use, with a responsive screen that shows parameter change info, stereo panning features on all drum voices, tune-able kick drum, and stereo filters with resonance on the outputs, with midi in/out/thru plus din, individual outputs, stereo outputs & headphone out. A serious DJ electronic producer machine. It's fully functional and sounds amazing. The only functional thing is the reverb knob on the 3 toms does not appear to have much of an effect, otherwise all outputs, knobs, buttons etc work properly. More affordable and feature rich alternative to an 808. Comes with power cable. Operates at 220v, step up 110v - 220v transformer can be included in the sale if needed. Cosmetically it is in great shape with some minor wear on the sides."

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Super Rare Vintage TBS-303 MKII Bassline Mono Synth (TB-303 clone+) SN 0399058 w/ Original Box

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I've only seen one of these go up for sale back in 2007. Note the font under TBS in the upper left matches Sequential Circuits font.

Details form the listing: "What happens when you take the basic analog synthesis engine of Roland's classic TB-303 bassline, add MIDI control, and put it in a seriously heavy-duty tabletop housing?

You end up with TBS Musical Instruments TBS-303 MKII!

These are extremely rare. My guess is this is one of the very few of these that were ever sold to the US.

Per the creator's website--

The following list represents some of the main features of the TBS-303 MarkII :

Analogue circuitry is nearly equivalent to the original
Fully discrete oscillator and filter section
Build-in MIDI interface requires no external SYNC24 syncbox
Slides programmable via Note overlap
Accents programmable via MIDI note-ON velocity value (>100)
User selectable MIDI channel
Better that the original ; 'Heavy-duty' housing and professional potentiometers
The TBS-303 is on purpose build in a desktop type housing to make real time filter-control by hand easier.
Dimensions (WxHxD): 250 x 170 x 65mm

Additional cool features:

External audio input
Infinite accent button
Infinite slide/portamento button

Please check the website for additional info and audio samples.

The sound of this box is quite awesome. The top-mounted slide/accent buttons allow for additional realtime creativity. The external input lets you use this in ways that no original TB-303 can. Best of all, the MIDI implementation gives you all kinds of sequencing possibilities that you didn't have with the original.

Sure, you can make it sound just like a TB-303-- or you can use it in new and creative ways."

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Roland TB-303 Bassline Synthesizer with Social Entropy Quicksilver upgrade midi

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"This Roland TB-303 has the desirable Quicksilver upgrade by Social Entropy, which includes midi and other enhancements. The Quicksilver 303 is equipped with USB connectivity for OS upgrades and USB MIDI. Allowing the Quicksilver 303 to be directly connected to a USB host! Because all data is stored into internal EEPROM, batteries are no longer required to maintain memory. All internal memory can also be dumped using MIDI sysex messages for sharing or backup. More info"

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