USER GUIDE
ABM EVO IV
Secondly, if more control is required then the sliders can also be used
to tailor the E.Q. in the regions between the main tone controls. This
provides a very versatile Equalisation section, it is simple to understand
and operate, yet provides a wide degree of variation. It retains the
simplicity of a three- control tone section but provides the exibility of a
graphic equaliser.
DYNAMIC COMPRESSION – Adding a small amount of compression
gives a fat bottom end to the sound and allows a greater volume of
amplication to be used without the playing peaks distorting the
ampliers output stage. You will also nd that this will add denition to
your playing bringing out notes within a run more clearly as it evens out
the dynamics of your playing.
A large amount of compression can be used as an effect but it will tend
to reduce the dynamics in your playing to such an extent that the volume
of the note will be the same no matter how hard or soft you hit the string.
Compression also adds sustain to notes making them longer before they
die away.
The Compression Level control adjusts the degree of compression
applied to the bass signal. For this to function correctly the Input Level
must be correctly set as described in the INPUT CONTROL section (left).
When the Input Level is correctly set there will be hardly any difference in
volume between Compression IN and Compression OUT. This is because
the amplier automatically compensates for the reduction in level that
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