aion Obscura Handbuch - Seite 2
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1 Project Overview
2 Introduction & Usage
INTRODUCTION
The Obscura Octave Blend is an adaptation of the Prescription Electronics COB (Clean Octave Blend),
an octave fuzz with blendable clean signal.
Prescription Electronics (PEI) was one of the original boutique pedal companies, founded in 1993 by
Jack Brossart in Portland, OR. The COB was introduced within a couple of years and was produced up
until the company closed its doors in 2014. PEI made a brief comeback in 2019 and reissued most of
their lineup, but after Jack's passing that same summer, they seem to have disappeared for good.
The COB is a very unique effect. The octave section is clearly based on the fOXX Tone Machine with a
few value tweaks, but it's missing both a tone and a gain control. Instead, the Octave knob loads down
the octave stage in a way that does not actually add or remove the octave, but changes its character. At
some settings it's much more suitable for blending, and at others it sounds good on its own with no clean
signal. There are a few great YouTube demos of the COB if you want to get an idea of how it works and
what it's capable of, but suffice it to say, it's far from a typical octave fuzz.
The Obscura is a direct clone of the COB except for one addition: a switch that disables the octave,
adapted from our
Vulcan
Typically you'll want to leave it in the down (stock) position because the octave is the whole point of
the effect. But there are some interesting and unique sounds in the other two modes, especially in
combination with the blend control, so we felt like it was a worthwhile addition.
USAGE
The Obscura has the following controls:
• Octave changes the character of the octave signal, from a glitchy tone reminiscent of a ring
modulator to a more traditional octave fuzz.
• Blend pans between the clean and effect signal.
• Volume controls the overall output of the effect, which comes after the blend.
• Octave (toggle switch) selects between octave, no octave (original) and no octave (modified).
OBSCURA OCTAVE BLEND
(fOXX Tone Machine) project. Its behavior is very different in this circuit.
10 Licensing
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