MATRIXSYNTH

1985 Sequential Circuits MultiTrak Voice Board

via this auction

"The PCB is very clean, and is Revision A. All the components are there except the 6 CEM Chips, which have already been sold."

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250 Electro Bass MIDI loops demo

YouTube Uploaded by Audiovapor on Dec 6, 2011

"http://www.audiovapor.com/midi-sequences.html

This is a video demo of the Electro Bass MIDI loop pack by Audiovapor.

250 original, exclusive 16-step MIDI loops for electro, techno and house available for instant download for only $9.

In this video I use energyXT as my host sequencer but because these are MIDI loops they will work in all major DAWs (FL Studio, Logic, Sonar, Live, Reason, Cubase, etc.) My synthesizer in this demo is DUNE from Synapse Audio but any synth will work.

To download this MIDI pack go to my website: http://www.audiovapor.com/midi-sequences.html

Thanks for watching!"

pucktronix.pwm_dac demo

YouTube Uploaded by surgesg on Dec 7, 2011

"pucktronix.pwm_dac is a program which (combined with a capacitor and diode) allows a user to generate low-frequency or DC voltages from an AC coupled audio interface. It speaks OSC and has some simple LFO and quantization effects.

A demo reel of a project created for Tom Erbe's Music 267 course at UCSD, Fall 2011."

Oberheim FVS-1 power supply panel

via this auction

Looks like SN 0034

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Waldorf 10 voice expansion card for Wave XT synthesizer

via this auction

Perfect Circuit Audio (RSS)

VEXP 1.0. Note the Solder Side label on the bottom.

Update via Qwave in the comments: "The expansion board added _20_ voices to the normal 10 voices of a Waldorf XT(k). So you had either the normal 10 voices or 30 voices. The very same expansion board was needed to upgrade the oldest versions of the Waldorf Qs from 16 to 32 voices."

Crumar Bit 99 - Vintage Polyphonic Synthesizer On the Sidewalk

via this auction

"This is a very warm sounding analogue synth with digitally controlled oscilators. It's great for pads/strings/basses but at the same time is also capable of sounding very 'digital/FM' like.

It has a certain uniqueness to its sounds which I think is down an unusual 'summing' that happens between the oscillators whenever you play a key, i.e. you can hit the same note in succession and the tone can change slightly on each key press. It is touch sensitive and the keyboard can be split or layered to play 2 different patches, although this does reduce the 6 voice polyphony to 3 for each patch."

Hmm... Anyone know if there is anything unique in regards to the Bit 99?