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toppobrillo
triple wavefolder

price : $250.00



the twf module was designed with multi-use in mind... it is composed of three identical (with the exception of a couple features) direct-coupled waveshaping stages that can be used independently or in series, the operation is selected according to which inputs are used- see block diagram for routing.



the facility for independent control over each folding stage provides multiple processing options for a variety of sources as well as more interesting explorations with timbre modulations/ frequency synthesis >/./,./>?? than preconfigured waveprocessing profiles----.

each stage can "fold" (gently) an input source inward on itself as it approaches a threshold set by the panel controls and cv; for example, a sawtooth or a triangle input from a vco can be bent into a sinewave, and beyond that- doubled in frequency, at constant amplitude... use them in series and they fold again and again and...

some things you can do with it, under voltage control, simultaneously!:

create complex timbres from audio sources- possibilities are really limitless. you can control each series of harmonics via the bias panel controls. so the overall sweep thru the folds when using the vcall/ manual controls is very flexible- and since each stage of the folding process is vc'able, you can use different modulation sources simultaneously for wild animation/ phasing/ beating with a single tonesource.

the normallized dc bias at input 1b can be used to control the symmetry of the folding process, via the control knob. (when the input is not in use).

cv processor for lfos, envelope generators, sequencers or any control source. create multiple interesting rhythmic modulation sources from an otherwise dull one(s). useful in creating more complex, continuously variable shapes for modulation or timing.

accurately multiply/ square up an input signal, shape your triangles and sawtooths into very pure! sinewaves, mangle your sinewaves or anything else into very unpure assymetrical fuzz, generate a cosine functon relative to your vco's tri/sine output (useful for quad panning, stereo modulation).. do a couple of these things at the same time with different sources...

euro specifications:
module width is 15hp
low profile; behind-panel depth of unit is less than 1 1/2"
low current design; less than 10ma each rail max



audio samples:
timbre modulator:
sample one: a low note (input is triangle wave) chirped by accelerating fast env.
sample two: a static tri in; all modulated by lfo and accelerating fast env.
sample three: patch as above but a higher inp. frequency and playing bias controls in time
sample four: same patch as aboves but playing pulses output now
sample five: demo of playing w. "symmetry" (btm right corner when nothing is plugged in) and manual knob listening out 3. in is static tri wave.
sample six: same patch as above= playing w. "symmetry" and manual knob listening pulses out. in is static tri wave.

modulation
sample seven: 2 trx static lf tri as input run thru twf used as modulation src for resonant filters
sample eight: bend your sawtooth into a cosine wave for revolving sounds (only 1/2 the quad image of course)
sample nine: more panning

other
sample ten: static sawtooth input 1a, lfo input 1b, creating a false? vibrato, the vco isn't modulated, but it is, up to fm areas, this works for assymetric inputs, neat!
sample eleven: more of above!

click here for the module's user manual.

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