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CONNECTION
AND
L
OCATION
The location
of
the
monitor
slants will be the most critical
of
all speaker systems in preventing
feedback. Cardioid microphones
MUST
be used, and the
monitor
slants should be placed at the
"null
point"
(the
point
of
least sensitivity) at the rear
of
the microphone.
In
some instances, a
movement
of
two
or
three inches
of
the microphone
or
monitor
slant will cause
or
eliminate
feedback.
Location
of
the
power
amplifier-equalizer
is
a matter
of
choice. However,
if
more than one
amplifier-equalizer is employed, units should
not
be stacked. Heat generated by the
power
amplifiers
might
cause thermal cycling
if
units are stacked. The recommended grouping
is
to
stand the amplifier-equalizers on end, at least 3.0 inches apart.
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