MATRIXSYNTH

Sequential Circuits Model 800 Sequencer

via this auction

Korg Rhythm 55B SN 392676 with Original Box

via this auction
See the seller's other items for more.

The Cat SRM synthesizer by Octave - cv/gate/filter mod

via this auction

"The Cat SRM synthesizer, made in USA by Octave electronics, model 1853. This synth is in excellent working condition, and has just been serviced and calibrated by Tim Wallhead in London (26th Jan 2012)... Fitted with an original 1980's Kenton electronics mod providing the usual 1volt/octave control voltage inputs for cv, gate and filter on three mini jack input sockets at rear of synth. It is set for 200-250 Volt usage but can be reset internally for 100-130 Volt. serial number is B-3776"

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Sherman Filterbank Mk. 1

via this auction

"This amazing piece of gear is a powerful effects processor, dual-multi-filter, Frequency Modulator, analog tube preamp, ASDR envelope generator, and all-aroung sound-mangler/funkifier."

Mutable Instruments Dasweep

"Weird. This sound was produced using a digital synthesis technique not available in any synth or module on the market."

NAMM: WMD Geiger Counter Pro

via STROMKULT

"NAMM 2012 / 11) William Matthewson alias WMD showed off his pre serial model a soon to be made Geiger Counter Pro. It should be black and yellow even if I had to say that I prefer the raw aluminium, but I guess this is not his thing."

NAMM: Roger Linn Demonstrates the Dave Smith Tempest

YouTube Uploaded by DV247TV on Jan 25, 2012

"Co-designer Roger Linn was kind enough to demo the Dave Smith Instruments Tempest analogue drum machine at NAMM 2012.

DSI Tempest details here: http://www.dv247.com/drums-and-percussion/dave-smith-instruments-tempest-anal...

http://www.dv247.com"

Circuitbenders KAWAI R50 / R50e PATCHBAY Mod

via Circuitbenders
"MODS INCLUDE:

20 way main patchbay: More information and details of our patchbay mods can be found HERE. The R50 and R50e sound dirty to say the least and this is reflected in the character of the effects produced by the patchbay connections. The effect are not so much punchy as disgustingly sordid and grimy. If you wanted a drum machine for dirty warm midrange insanity and distorted bent noise then the R50 or R50e are ideal candidates for the job..."

PITCH MOD: £35
"This mod adds a pitch knob that controls the sample playback speed, and therefore the pitch of every drum sound simultaneously. It can sweep from punchy clicks and blips at the top, to horribly granular crunchy noise at the bottom as the sounds disappear under a wall of aliasing noise. The pitch knob can be used alongside the patchbay effects for some seriously messed up percussion sounds."

Squidfanny - 'Rhythm Modulator' Alesis HR-16 Drum Machine (Jan 2012)

YouTube Uploaded by squidfanny on Jan 26, 2012

squidfanny on eBay

"RHYTHM MODULATOR Techno Groove Acid machine.... Built around an Alesis HR-16 Drum Machine, which has been retro-fitted with an integrated Step Sequencer, with Pitch Mods, Killer Glitch and (Slightly Dodgy) Custom ROMs with 'nuff Old Skool Beats and Bass.

Sequencer is synced to the beat of the machine and is fully patchable, for programing complex tempo synced Glitches, beat swapping & effects.
Program the sequencer to twist and modulate the sample pitch, thus adding groove and expression to loops and rhythms....All tempo synced and with realtime modulation knobs and Decay control. Cool, eh?

See later part of vid for more in-depth look at the sequencer mod.

This machine contains the original Alesis 'electronic' ROMS and also my own (Slightly dodgy) custom Rom. It still has a few bugs, mainly quiet 'clicks' at the end of the samples when pitching down. Also some noise generated from the compression process, but this IS an ongoing project...

Thanks to EX-FADE and also BURNKIT2600 for assistance with this project."