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In stock (can be backordered)
WF-1 is a Eurorack format wavefolder with some extra functions. It can be used for audio signal manipulation or as a utility module for control voltages.
It has an IN signal that can be affected by the two control voltages P and N. The main output volume is controlled by the orange OUT knob.
The lines on the front panel are not just decoration. They are there to help understand the function of the module.
White lines shows the clean signal path from IN that can be blended in to the main mix ont on OUT. The level of clean signal is set on Clean.
Yellow lines shows the modulation signal path. P is the folding of the positive side of the IN signal and N is the folding of the negative side.
Both sides have the same controls.
OffP is the offset signal, or threshold where the positive folding starts. Turned fully clockwise it will be above 5V and not affect an audio signal on the input. In the middle position it will start folding from 0V. Turning it further anticlockwise will make the positive folding start on the negative side, and can be set all the way down to -5V.
OffN has the same function but has the polarity switched compared to OffP. This means that when turning both OffP and OffN max clockwise there will be no folding.
Knobs P and N are attenuverters for adding CV control on top of the offsets OffP and OffN. Green/red LEDs show what is being added be the attenuverters.
The overall control of the amount of modulation is controlled by Mod. A green/red LED after the Mod control shows the total combined modulation from the P and N side.
The switch Sym can change asymmetrical modulation to symmetrical modulation. That is when Sym is on, all modulation on P will be copied over to N and vice versa. In Sym mode, OffN is disconnected, as it would conflict with OffP.
FoP and FoN are logical signals that go high when folder P respective N is active. Indicated by green/red LEDs. These signals are /-5V so they can be used as audio signals. This is not a clean square wave, it has been shaped a bit to sound better.
The red knobs FoP and FoN are attenuverters. The output from them are normalized to the main mix OUT. This means that you could add or subtract a square wave that coincides with the folding.
With all the folding and adding of signals the output can easily end up with more than /-5V so a limiter/distortion switch is added to limit the maximum volume out and to add some extra sonic possibilities. This affects the signal going out to the SUM output.
Function of the Lim/0/Dist switch is:
Middle position 0, bypassed. The output volume control has a range of 0 to 1 times amplification.
Lim position, a soft stepped limiter that adds a lot of harmonics. Not made to be transparent. The volume control has a range of 0 to 5 times amplification to be able to drive signals harder in to the limiter.
Dist position, almost fuzz type of distortion, frequency dependent. The highs are rolled off a bit. The volume control has a range of 0 to 20 times amplification so it can be driven really hard in to the distortion.
Both the limiter and distortion are DC coupled and of course work with control signals.
When something is connected to FoP or FoN that signal is disconnected from the main mix at SUM. This makes it possible to patch the three outputs from the module in many creative ways. As an example OUT can be a mono signal and FoP and FoN be treated as stereo out for very big sounds.
140 mA 12V
140 mA -12V
0 mA 5V
12hp for main module
2hp for expander
27 mm deep
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