MATRIXSYNTH

Roland TR-909

Title link takes you to shots pulled via this auction.

via loscha

Two options for KORG Polysix owners out there.

Korg PolysixM (extensive and expensive) - $380 installed, $200 kit.
""Korg USA proudly announces the PS6-MRK MIDI Retrofit Kit for the Korg Poly-6 Synthesizer. Thanks to modern software/hardware technology, a great classic analog synthesizer, the Korg Poly-6, has now been upgraded with one of the most advanced and comprehensive MIDI Retrofits ever devised for a pre-MIDI synthesizer. With MIDI, your Poly-6 can now join the MIDI revolution, easily connecting with other MIDI synthesizers, expander modules, sequencers, drum machines, personal computers and more ... "

KORG Polysix MIDI (cheap and simple) - $70 installed
MIDI In only

KORG PolysixM pictured

Modular 2007

YouTube via liquidcolor. Title link takes you to more.

Digisound 80-21

Click here for shots pulled via this auction.

Details:
"The Digisound 80-21 is a rare Voltage Controlled Digital Oscillator, and provides a very unusual sonic palette.

The Digisound 80 Modular Synthesizer was a (largely) kit-built synthesizer designed, primarily, by Charles Blakey who ran a small family-owned company called Digisound Ltd near Blackpool in northern England. Many of the early modules appeared as construction articles in two British electronics magazines - Electronics Today International (ETI) and Electronics & Music Maker (E&MM) in the early to mid 1980s.

The Project 80 series - a number of whose modules were based on the CEM (Curtis Electro Music Specialities) range of ICs - was not, however, his first collection of synthesizer modules. He had, previously, produced an early series (the Digisound 20000 series) based around the SSM (Solid State Microtechnology) range of ICs.

Here's a recent article from January 2000 about the Digisound modular written by Paul Nagle (a British composer of synth music and user of the Digisound synth) available in the internet archives of Sound-on-Sound magazine. To quote from Paul’s own web site "Great, smashing, super - this is an amazingly versatile, superb-sounding modular - full of character" - ‘nuff said!

All Digisound Synthesizer modules had a common package design, with modules interchangeable within the cabinet, common voltages, Input / Output impedances, etc. This made it quite simple to design a system, or change that system around if you desired a different configuration. The modules are compatible with the majority of the modular and performance synthesizers of the time, i.e. 1V/Octave exponential control voltage scaling, 0-10 Volt peak-to-peak control voltage ranges, and a regular gate trigger system.

I've been a big fan of Digisound Synthesizer modules since the late 70's, when I used to bug them and Aries Modular Systems for new catalogs! Over the years, I put together a large number of modules (along with Aries Modular, the USA equivalent).

This unit combines the flexibility of analogue voltage control with the clarity and realism of digitally generated waveforms. The design is fully compatible with existing synthesizer systems (1V/octave frequency control, 10V p-p output, linear and exponential modulation inputs) and offers the versatility of 32 different waveforms encoded as wavetables in the 2716 EPROM. A particular waveform can be selected with push button switches using a simple incremental system or a combination of a push button switch and suitable electronic pulses to the input. The useful audio range is 30Hz to 10kHz.

Much more great information can be found at Dave's Digisound Page."

Top 20 Greatest Synths Part 2

Part 2 is up. Title link takes you there.

Link to Part 1

Yamaha CS30L Samples

Title link takes you to samples pulled via this auction.

via ben.

Plexus Makes the PAiA Hall of Fame

Yeah, I think that makes the bar...

Music of Plexus

Previous Plexus posts

E-Mu Ring Mod

No title link. Just the two shots and details pulled via this auction.

Details:
"Up for bid, a 2430 Ring Modulator vintage analog synthesizer module by E-mu. PCBs are date coded 1974. Info on the E-mu modular can be found at emulatorarchive.com - also the following info is copied from the official E-mu literature from the 1970's:

The Eµ 2430 Ring Modulator is a balanced modulator for electronic music. It contains an Eµ 1430 ring modulator submodule. The module has two inputs, modulation and carrier, which are identical for high signal levels. The output is the algebraic product of the input voltages:

Vout = Vmod x Vcar ÷ 5

when the input attenuators are fully clockwise and the coupling switches are in the DC position. AC coupling will level-shift the corresponding input so it effectively centers around zero volts. This can have a striking effect on the output signal, due to the inherent non-linearity of balanced modulation. The Eµ 2430 was designed for high carrier rejection in the absence of a modulation signal, typically in excess of 80dB. The reverse rejection, that of modulation feedthrough with no carrier, is only 40dB.
Power Requirements: ±15 V @ 10 mA typical
Firm-wire Patch Connections:
Inputs - Modulation, Carrier
Outputs One (3 pins)
Power Bus Connected Inputs: None
Adjustments: Gain
Modulation Rej'n - Mod positive
Modulation Rej'n - Mod negative"

Update: Not directly synth related, but you might want to check out the seller's "KORG Univox EC-100 Stage Tape Echo Delay by Unicord" as well. That was a mouth full. linky