Oakley 3U User Manual - page 3
The 3U Overdrive Module
This is a simple but very effective waveform modifier module. It has two basic modes
selected by a switch. Hard clipping is a hard edged distortion type effect useful for grunging
up your signal. Soft clipping is a more subtle effect and produces a clean sounding overdriven
amp sound.
Three front panel pots control the sound. 'Gain' controls the overall gain of the 'pre-amplifier'
stage and essentially determines the level of overdrive or distortion. The 'timbre' or tone
control is an effective EQ control that affects the frequency response of the effected output.
The 'mix out' or balance pot is essentially a wet/dry mix control that allows you to add only as
much of the effect as you want.
Voltage control is determined not within this unit, but as part of the signal chain placed
before this module. Using a VCA to control the signal level that is fed into this unit will
determine the strength of the overdrive or distortion. Using a VCF to alter the timbre of the
signal fed to this module will control the overall harmonic level far more than using a filter
alone. In fact, hard sync type sounds can be easily obtained by simply sweeping the filter's
cut-off frequency.
The Oakley Overdrive module for the Eurorack format. This module has been built by Krisp1.
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