DPW Design Expander E-1 Manual

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Wavefolder WF-1 and E-1 Expander

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. Everything in the module is DC coupled.

It is mainly made up of two wavefolders. One for the positive side of the incoming wave folding it down and

one for the negative side of the wave folding it up. The two folders can be operated individually or connected

so you can fold asymmetrically or symmetrically.

Controls, in and outputs

Audio or control voltages in. Whatever you want to affect with the module. The complete signal path through

the module is DC coupled.

Clean

Sets the amount of clean signal going to the main mix in the OUT jack.

OUT

The main mix output. The output volume is controlled via the orange out volume knob.

The signals FoP and FoN are normaled to the OUT jack via the out volume knob.

Both the folder part of the module, FoP and FoN can output +/-5V. So if all of them are full on the out volume

knob will have to be rolled down if you don't want the output to exceed +/-5V.

DPW Design, Häradsvägen 200, 14171 Segeltorp, Sweden

www.dpw.se

Getting started

The artwork on the panel is done to explain the signal

paths in the module. White background of jacks

indicate outputs.

White lines represent clean signal.

Yellow lines represent the modulation and control path.

Red lines represent output signals.

The position of knobs and switches on the picture is a

good starting position.

In this position an audio signal in on IN will pass

unaffected to the OUT jack.

From this setting you can start turning OffP and OffN

towards its center position to activate the folders.

For audio OffP and OffN is mainly useful from center

position to fully clockwise.

You can see when the folder is starting to affect the

signal as the FoP and FoN LEDs starts flashing.

Turning the FoP away from the center position will add

or subtract a square wave to the OUT jack. FoP and

FoN are normaled to OUT via the main volume out,

orange knob.

You can see how much is being sent out from FoP and

FoN by the LED along the outgoing red lines.

MAN-WF-1 Rev B