Page 36
Micro-Tech 600/1200/2400 Power Amplifiers
8 Accessories
8.1 Cooling Fan Options
Every
Micro-Tech
amplifier has a built-in high-velocity
fan that provides optimum cooling. Two optional re-
placement fan blades are available for special cooling
requirements. Crown part C 6594-3 is a quieter, low-
velocity fan blade that in many cases can provide ad-
equate cooling. Crown part C 6593-5 is a reverse air
flow fan blade which changes the direction of the air
flow in and out of the amplifier (not recommended for
the
Micro-Tech 2400
). Important: The optional replace-
ment fan blades should only be installed by a qualified
technician.
8.2 Input Connectors
There are two input connector accessories available at
the time of this printing: the
MT-XLR
and the
MT-BB
.
Important: The
MT-XLR
and
MT-BB
must be installed at
an authorized service center or the Crown factory.
8.2.1 MT-XLR
The
MT-XLR
is an accessory panel that provides two
standard 3-pin female XLR input connectors. The
MT-XLR
accessory makes it easy to quickly change
connections in a system that uses standard XLR con-
nectors. It can also be used in systems that need to
daisy chain an input signal from one amplifier to an-
other. Because the
MT-XLR
connectors are in parallel
with the amplifier’s built in phone connectors, an input
signal fed to either input can be fed to another ampli-
fier from the unused connector for that channel.
8.2.2 MT-BB
The
MT-BB
is an accessory panel that provides barrier
strip input connectors. An
MT-BB
accessory might be
desirable in applications requiring bare wire connec-
tions. It can also be used to daisy chain an input signal
from one amplifier to another just like the
MT-XLR
.
Fig. 8.1 MT-XLR Fig. 8.2 MT-BB
MT
-
BB
–+–+
CH-2 INPUT CH-1 INPUT
MT
-
XLR
CH-2 INPUT CH-1 INPUT
PUSHPUSH
3
12
GND
THESE XLR INPUTS ARE CONNECTED IN PARALLEL WITH THE PHONE JACK INPUTS.
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