MATRIXSYNTH

Wednesday, May 21, 2014

Buchla 200e [system 1.5]

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via this auction

" 201e - 4-panel Powered Boat w. upgraded 24-space PSU (rack ears included)

206e - Mixer/Preset Manager w. rear panel 1/4" output expansion
A six input, two output mixer with controls for level and stereo location. Two of the locations can be voltage controlled; the remaining four can be continuously panned.

A preset manager is also incorporated as well as dual 1/4" rear panel output.

261e - Complex Waveform Generator
The Model 261e Complex Waveform Generator features voltage-controlled modulation of pitch, amplitude, and timbre, and a multi-dimensional, voltage-controlled timbre space. All of the 261e's timbre processing is performed by analog circuitry, thus eliminating the aliasing that can be introduced by waveshape table driven systems.

A separate modulation oscillator can be synchronized to the principal oscillator or to note-on MIDI messages. Its waveshape is voltage controllable, and can be continuously varied from sine to pulse. The modulation oscillator can track the pitch of the principal oscillator with variable offset.

In conjunction with the model 225e MIDI Manager, the 261e's pitches respond to internally routed MIDI messages. Up to four 261's can peacefully co-exist in a single system, each with its private MIDI channel.

As in all 200e series modules, the settings of the 261e's pots and switches can be memorized as a part of a preset configuration.

266e - Source of Uncertainty
The Model 266e Source of Uncertainty is a general source of musical unpredictability. Divided into 4 sections, each section serves a unique function.

Noise comes in three flavors. White noise is electrically flat, but acoustically balanced toward the high end of the spectrum (+3 db/octave). Integrated white noise has a low spectral bias (-3 db/octave). Musically flat noise has a flat spectrum (constant energy per octave) and is a particularly useful source for subsequent processing.

Fluctuating Random Voltages are continuously variable, with voltage control of bandwidth over the range of .05 to 50 Hz, making possible changes that vary from barely perceptible movement to rapid fluctuation.

Quantized Random Voltages change on receipt of pulses. Their number of states is voltage controllable from two to twenty-four, and their distribution can be varied both spatially and temporally.

Stored Random Voltages have three parameters under voltage control. Degree varies the amount of randomness; chaos alters the distribution from just a little uncertain to total chaos; while skew biases the randomness toward one extreme or the other.

All settings of the 266 may be stored and recalled under control of the model 206e preset manager.

291e - Triple Morphing Filter
The 291e Triple Morphing Filter consists of three voltage controlled filters operating independently or in parallel.

The amplitude, center frequency, and bandwidth of each filter may be independently voltage controlled. Each may be modulated with externally applied signals.

The morphing capability might be described as moving through a series of snapshots of the filter, with each snapshot consisting of a complete description of the filter parameters, and with each parameter continuously varying between snapshots. Morphing is accomplished with an applied voltage, or alternatively can be initiated with a pulse, with each stage time independently set. Up to eight stages may be employed.

A solo switch provides editing convenience, and an expand input allows ready expansion of the filter.

All of the 291e's settings may be stored and retrieved with the model 206e preset manager"

Buchla 285e Frequency Shifter / Balanced Modulator

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via this auction

"This module is the e series reincarnation of the 285. A long time coming, but well worth the wait.

The top section performs frequency shifting; up and down outputs are simultaneously available. The reference frequency can be externally applied or internally generated; the latter can be voltage controlled and f.m. modulated.

The bottom section is independent, and functions as a balanced modulator of applied signals. The degree of modulation is voltage controlled, and the reference frequency can be internally generated or externally applied, as in the frequency shifter. A separate output is dedicated to classic ring modulation, a subset of balanced modulation.

All settings of the 285e can be stored and retrieved with the 225e or the 206e preset manager."

ROLAND SH-101 Analog Synthesizer with Mod Grip & Gig Bag

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Yamaha DX-7 Synthesizer

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via this auction

YAMAHA TQ5 Vintage Digital FM Synthesizer / Sequencer Module

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via this auction

via the seller: "looks like the previous owner disfigured top of this TQ5, maybe trying to clean it with an acetone based cleaner. so to clean it up I had to sand and repaint the partial face w/ a silver/grey "hammered on" textured paint. it looks pretty cool and a lot better that it did. and while I was inside,i removed dead battery & I soldered in a new battery holder w/ replaceable 2032 battery, i did a factory reset & set day & time, item works great & sounds fantastic!"

"The TQ5 was an entry level FM Workstation in a keyboardless, sparsely decorated desktop unit. It takes after the smaller line of FM synthesizers like the DX-100, DX-21, DX-11, TX81Z, and FB-01. These featured 4 FM operators per voice, and 8 voices of polyphony. And like the latter three, 8-parts multitimbrality was featured. The TQ5 also had easy "Quick Edit" keys to access some basic parameters for instant tweaks. The TQ5 was capable of many of the good, the bad & the weird sounds FM synthesizers made.

The TQ5 featured built-in digital effects and an 8-track sequencer (with 8 song capacity) rounding out the "workstation" aspect of this machine. Designed for use as a stand-alone FM workstation or as a MIDI module, the TQ5 was poised to bring high-end FM sounds to entry-level users."

Video demo of the presets at the auction posted here.

Korg EX-800 Programmable Polyphonic Synth SN 005033

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Siel Expander 80 Rare 80's Analogue Synth Module

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via this auction

"This is an interesting synth module dating from 1985. It was originally an add-on to the Siel DK80 it still functions independently as an 8 voice polyphonic synth with built in sequencer.

The original modules took their power from the DK80 but I've had a power supply professionally made to work with this module. All MIDI is working fine and the module sounds good. There's a much more detailed write-up here"

RC CIRCUIT BENT 'APOGEE' ANALOGUE NOISE FX SYNTH / DRONE SOUND GENERATOR


Published on May 21, 2014 djwidow420·312 videos

"BODY CONTACT NOISE SYNTH FROM RESONANCE CIRCUITS. FOLLOW ON TWITTER @ RCircuits"

Resonance Circuits on eBay

Roland TR-707, Tama Techstar TS-204 and Korg Electribe EM-1 Demo, by Jordan Passmore


Published on May 21, 2014 Jordan Passmore·72 videos

"The 707 is doing the majority of the drums, the Techstar is doing the percussive synth bit, and the EM-1 is doing the bass/melody as well as the 909-ish open hi-hat. All are mixed on my StudioMaster mixer and there is an analog delay on the aux send (the EM-1 and Tama are effected). The 707's rimshot is triggering the Tama's "Synth" voice. The TR-707 is being slightly overdriven on the mixer."

Tubbutec Modysix - Polysix / Poly-61 Midi Retrofit and Feature Extension


Published on Apr 17, 2014 tubbutec·8 videos

"Video showing you some features of the Modysix mod for the Korg Polysix and Poly-61 synthesizers."

"The Modysix is an upgrade for the Korg Polysix and Poly-61 synthesizer and features various additional play modes, a free definable arpeggiator, midi in/out, a sustain pedal input and various other features.

Main features

Midi in + Midi out
Sustain Pedal input
Additional play modes: 2 Voice, 3 Voice, Polychord, extended unison mode
New arpeggiator / sequencer mode: Powerarp
All functions are easily accessible via buttons: suitable for live use
Midi controls arpeggiator clock, triggers the arp, filter and more
Midi output of arpeggiator, chords and powerarp sequences or simple keypresses
S/H style LFO for the filter
Midi channels and various other options can be configured without external tools
Very easy to install, no soldering required (except for one solder joint if you want midi controlled filter)
High quality midi sockets and sustain pedal jack
For a complete list of features please refer to the user manual.
final promo web
Some features in more detail

2 VOICE AND 3 VOICE
While the original Polysix only features 6-voice polyphonic, unison and chord memory, this mod adds additional play modes.2-voice and 3-voice polyphonic modes are tradeoffs between the maximum fatness of the unison and the maximum number of voices of the polyphonic mode. (Polysix only)

POLYCHORD
Polychord lets you assign a chord consisting of up to 6 notes to any key of the keyboard. This can be done very quickly and is very suitable for playing live. Of course you can combine this feature with the normal arpeggiator or the powerarp (see below). This makes it possible to have a sequenced chord progression in the matter of seconds.

EXTENDED UNSION MODE
The unison mode on the Polysix is basically a monophonic mode, but lacking almost all of the features that most monophonic synths have.The extended unison mode this modification offers changes that.
- legato mode (no envelope retrigger when playing legato)
- key priority up / down / last
(Poly-61 users see Poly-61 notes)

unisonstatic
POWERARP
Powerarp is a feature best described as a sequencer or a custom arpeggiator.
You can define a sequence of up to 128 notes, which are then triggered by the arpeggiator clock. Up, down, updown and three different random modes are just a few ways to replay this sequence. You can use this with all play modes including Chord and Polychord, which means you can define complex chord progressions and replay them using the arpeggiator, an external trigger or using midi. You can also add breaks into the sequence which allows rhythmic arpeggiator sequences."

http://tubbutec.de/modysix/
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