Befaco Chopping Kinky Manuel utilisateur

CHOPPING

KINKY

MANUAL

EURORACK COMPATIBLE

SPECS

- Current requirements: 65mA +12V / 55mA -12V

- 8HP

- 30mm depth (including connector).

INTRO

THE CHOPPING KINKY IS A VOLTAGE CONTROLLABLE,

DUAL CHANNEL WAVEFOLDER

An example of how a sine wave gets folded several times when its amplitude is increased

Each of the module’s two channels has a unique wavefolding proﬁle. At each input there are two CV inputs

for controlling the level of waveshaping including one that passes through an attenuverter.

A wavefolder converts simple signals into richer and more dynamically changing ones. In contrast to a

ﬁlter, wavefolding adds harmonic content to the waveform. It works by amplifying the waveform until it

begins to saturate, then rather than clipping, the waveform gets folded back in on itself.

The CHOPPING KINKY is DC coupled allowing it

The CHOPPING KINKY is DC coupled allowing it to be used for both CV and audio duties; to generate har-

monics on an audio signal or kinking LFOs and envelopes.

1. DISCONNECT YOUR CABINET FROM THE MAINS.

2. TRIPLE CHECK THE POWER CORD POLARITY. The coloured line on the

cable (pin number one) is the -12V rail.

3. If you plug the module backwards you might burn it out and unfortu-

nately this is not covered by our warranty.

4. If you have any questions about this product please send them to:

befacosynth@gmail.com

POWER

THANKS FOR PURCHASING A MODULE FROM BEFACO!

BEFORE YOU PLUG THIS MODULE IN...

POWER & INTRO

CHOPPING KINKY USER MANUAL

REFERENCE

5B 6B

Inputs (audio or CV) for the two wavefolder channels. Each chan-

nel has its own unique waveshaping proﬁle.

Manual controls for the two waveshape channels.

Gate input for CHOPP OUT channel select. When no gate is pres-

ent CHOPP OUT uses a zero-crossing detector to automatically

select channel either channel 1 or 2. A gate at the input will tell

the internal analog switch to connect with channel A.

Manual control for each channel’s CV control attenuverter.

Inputs to the CV control attenuverters for each channel.

Another set of CV controls for each channel which are

routed directly to the internal VCAs for both channels but

bypass the attenuverter.

Outputs for channels A and B. This is the end of the signal

chain after all waveshaping has occurred.

This output will output either channel A or channel B de-

pending on the internal switch and how it is being con-

trolled (see the next page for more information).

CHOPPING KINKY USER MANUAL

REFERENCE

AN EXAMINATION AND DESCRIPTION OF THE VARIOUS

FUNCTIONS OF THE MODULE

IMAGE SHOWING HOW THE VARIOUS PARTS OF THE

MODULE INTERACT

CHOPPING KINKY USER MANUAL BLOCK DIAGRAM

BLOCK

DIAGRAM

In the block diagram above we can see the two seperate wavesfolder channels with

the CHOPP section between them.

Each wavefolder has a signal input, IN, and two CV inputs, one of which passes

through a attenuverter. The level of wavefolding for each channel is set by the CV

inputs and the internal VCAs.

The outputs of each folder also

The outputs of each folder also feed to the CHOPP section’s internal ANALOG

SWITCH. The switch is connected to channel A when a gate is present at CHOPP IN

or when the AC voltage of the channel is above zero. Otherwise it is connected to

channel B. it is connectedczxczxczxczxczxczxczxczxczxczd.

DESCRIPTION OF THE BLOCK DIAGRAM

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