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ADDAC System ADDAC507 Random Bezier Waves

ADDAC System

Regular price CAD$473.00



This module started with an idea from Rijnder Kamerbeek aka Monotrail, a straightforward random generator with interpolation between random points making it something like a complex, ever evolving, LFO

The concept is simple. It contains two identical smooth random voltage generators. Each has a frequency, level, offset and curve control. The frequency control sets a steady pace with which bipolar random voltages are generated. The level control works like an attenuator/VCA on the output, reaching from max output to closed. The offset allows shifting the whole wave up and down on the voltage range. Curve determines the shape of the interpolation.The bipolar activity on the main outputs as well as gate outputs are visualised with LEDs.

Both Frequency and Level controls have a CV input with attenuator. When there is nothing patched into the CV inputs, these are internally connected to the main output of the other channel. This normalization makes it very easy to add randomization to the frequency or level for more depth, or of course, add cross-modulation for chaotic voltages.

The output VCAs are usefull to dial in subtle and time-based modulation without the need for external VCAs. For example, to modulate the amount over time with an envelope, or use the other generator with slower speeds to add random changes to the level of a random voltage.

Both generators also have two other outputs. One is an exact inversion of the main output, so it responds to the level and CV input. This is great for stereo or inversed effect patches. The other is a simple pulse output, here there are two different behaviours, channel A outputs a pulse at every random generation, channel B acts like a comparator. Whenever the main is positive this comparator output is a high gate. And whenever the main output is negative or close to 0, there is no gate output. Great for random triggers or firing other events like envelopes.

A couple other outputs are also available and are obtained by averaging both channel main outputs. The first output is the average while the second is an inverted average.

  • Width: 10HP
  • Depth: 45mm
  • Power: 70mA @ +12V / 40mA @ -12V
  • Manual
Features

Four channels with stereo input and gain knob. Fifth channel with stereo input without gain knob, which are the prefered inputs to cascade several ADDAC813s when more channels are needed. Master Output controls the level of the Inputs mix. Two leds monitor the inputs mix.

Mono Send / Return return path allows for easy integration of mono effects in a stereo chain. Plug your favorite module through it (filter, bbd delay, spring reverb...) or any mono pedal.

The Return Gain works in parallel with the Master Output, just like regular wet / dry controls.
The send output can be configured to be line or synth level via a jumper in the back.

Stereo output sums the Inputs Mix with the Return signal.
The Mono output is the sum of Left and Right outputs.

Effect Pedals
Using the send output at Line level, the user can connect the send output directly into mono effect pedals and have the pedals output connected directly into the return input without the need of an attenuator/amplifier module.

Video


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