MATRIXSYNTH

iPhone Frippertronics with SynthPad - looper/delay demo

YouTube via kbroom | September 05, 2010

"This is a demo of SynthPad, an iPhone app I'm working on. The delay/looper feature is something I just submitted to Apple for approval, so it should be available soon.
Sorry Robert :P"

iPads on Ebay
iPod Touch on Ebay

Analog Impressions #035

YouTube via Dovinia | September 05, 2010

"A little improvisation recorded in one take using a Moog Rogue, Roland RS-09, Godin 5th Avenue (jazz guitar) with Ebow. The arpeggio is a looped Rogue phrase."

Kawai K3M synthesizer plus RC-2 cartridge

via this auction

"The K3M is the rackmount version of the popular K3 synthesizer. It has 32 waveforms, ANALOG filters and envelopes, plus a programmable digital waveform. The unit is in excellent condition and comes with a RC-2 memory cartridge to store even more sounds.

Polyphony - 6 voices
Oscillators - 32 digital waveforms
LFO - YES
Filter - Low pass resonant filter
VCA - ADSR

Memory - 50 patches
Control - MIDI, in, out, through
Date Produced - 1986"

ROLAND TR-55 VINTAGE DRUMBOX DRUM MACHINE

via this auction
"From Wikipedia, the free encyclopedia
The Roland Rhythm 55 (sometimes known by its model number, the Roland TR-55), is a preset drum machine (or "beatbox"), produced by Roland in 1972.

It was one of a trio of drum machines released by Roland that year, offering features intermediate between those of Rhythm 33 (TR-33) and Rhythm 77 (TR-77).

"TR" stands for "transistor rhythm".

The Rhythm 55 had analogue voice circuits to produce its drum sounds, and offered approximately 20 permutations of preset rhythms."

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Blue Roland SH-101 With White Led's

via this auction

"Blue Roland SH-101 With White Led's, Mod grip and Original manual + Kenton pro solo mk2"

ROLAND SH-101 analog monophonic synthesizer

via this auction

Click the top pic to see where the modulation grip cable connects.

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Semi Modular Moog Prodigy

via this auction

"ONE OF A KIND!

SEMI MODULAR MOOG PRODIGY 336A ANALOG SYNTH
Most Moog Prodigys have no cv outputs in back
Some prodigys have 5 outputs in the back, Audio Out - Sync in - Osc in - Keyboard (CV) in
THIS prodigy has 10 ports in the back THESE ARE NOT AN AFTER MARKET MODS. THESE ARE FROM THE MOOG MUSIC FACTORY IN WALDEN NEW YORK.
THIS SYNTH WAS EITHER A PROTOTYPE, A CUSTOM ORDER, OR A VERY RARE LIMITED PRODUCTION UNIT WITH RARE OPTIONS.

THESE OPTIONS ARE:
The 5 common:
Audio Out - Sync in - Osc in - Keyboard (CV) in
BUT ALSO
S-TRIG IN - OUT (An early interface for moog keyboards and moog modular equipment such as sequencers etc.
Keyboard in (CV in) CONTROL THIS SYNTH WITH MIDI! SUCH AS AN ANALOG SEQUENCER OR A COMPUTER THAT HAS MIDI - CV CONVERSION!

AUDIO IN (PROCESSING EXTERNAL SOUND SOURCES WITH THE LEGENDARY MOOG FILTER!)
GATE IN (CONTROL THIS SYNTH WITH MIDI! SUCH AS AN ANALOG SEQUENCER OR A COMPUTER THAT HAS MIDI - CV CONVERSION!)
GATE OUT"

I seem to recall Howard Jones having one of these.

Update via ErrorAudio in the comments:

"There seems to be a lot of mystery and misinformation regarding these.
This was a mod that Moog developed and published through Norlin music Factory Service Bulletin NR:1312 in July 1981. The mod was also offered as a factory upgrade, that could be performed by retailers and the kit included all parts, stickers, and drilling template. It is unclear if the kits could be purchased by consumers, but given that the installation manual references Radio Shack soldering equipment, there is a chance that it was.

From the Norlin service bulletin: "This section provides updating information on the first 11,000 Prodigys produced and also presents various ways to modify the synthesizer for inter-facing. Instruments below serial number 4160 are very difficult to modify and require skillful and delicate use of a soldering iron as described below."

Interestingly there were two mod kits with two different parts lists. One for units with serial numbers below 8078 with 16 different part numbers (excluding wires), and one for units with serial numbers above 8078 (the units with standard cv interface installed) with only 7 parts part numbers (excluding wires). This suggests that there were 3 major revisions of the prodigy including the sub 4160 s/n units.

This might not be the full story but should hopefully shine a bit of light on these units."