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EFFECTS MENU 757
Tube Compressor: This stomp box uses virtual
tube circuitry. Although in this case, it doesn't
neccessarily mean the process is about distortion.
It's more the fact that the gain-reduction process
is a function of tube operation: like the "variable-
mu" concept used in popular concepts from the
1950s onward, a tube can be externally controlled
to change its amplification factor.
Of course, such a circuit can be driven hard by
purpose and produce typical tube-like saturation
textures.
In order to keep things well-balanced and
controllable, a (symmetric) push-pull circuit is used
in this design.
Using low to moderate "drive" settings, this pedal
is a very smooth & gentle dynamics compressor.
Filter/EQ
CheWahWah: This little red rebel will prick up
your ears. It can scream out your solos and fills
loudly and clearly while keeping its cool and
staying smooth. This is one of the few digital wah
pedals that doesn't sound digital. On the normal
setting, the pedal acts like a regular wah pedal; in
auto mode, the filter circuit reacts directly to the
incoming signal's amplitude. In this case, the
pedal varies the sensitivity of the auto wah effect.
EQ: This pedal enables the guitar signal to be set
precisely in seven frequency bands. This is not
only suitable for corrective adjustments, it's also
great for supplying any subsequent overdrive or
distortion stages with perfectly prepared sound. It
also performs well in solo passages, e.g. in case
the mid range needs to be highlighted.
The heart of this EQ pedal is a circuit based on an
analog model which features parallel filter stages.
In this case, the typical disadvantages of serial
filters such as phase problems and sound
degradation are avoided. This EQ features the
desired properties of real circuits, including added
harmonics to the input or individual filter stages.