Adding Accessories Modules
The 403a is equipped with five accessory docking ports.
The four ports dedicated to the amplifier are labeled Amp
Vert/Horiz Acc Port and Amp Vert Acc Port. The fifth port is dedi-
cated to the RCA line outputs and is labeled Line Out Vert Acc. Port.
Xtant offers two types of accessory modules which are designed for either
“Horizontal” or “Vertical” mounting. The docking port, located behind the
RCA line outputs, labeled Amp Vert/Horiz Acc Port will accept any module,
while the ports labeled “Vert” will only accept modules designed for vertical
mounting. The following is a list of Xtant Accessory Modules including their
“Horizontal” or “Vertical” mounting design:
XTANT ACCESSORY MODULES
Model Function Mounting Model Function Mounting
CM 24X XOVER HORIZ CM12H XOVER VERT
PQM-1 EQ HORIZ CM12L XOVER VERT
LFQ 45 BASS EQ VERT NGM-1 NOISE GATE HORIZ
The four accessory ports dedicated to the amplifier allow you to add the
level(s) of signal processing that your system requires. An example would be
if a band pass function is required, a CM12H (high pass at the lowest frequen-
cy of the band pass) and a CM12L (low pass at the highest frequency of the
band pass) could be used to create a 12 dB per octave band pass filter. A more
basic set-up would be a PQM-1 EQ module and a CM 12 crossover module.
The Line Out Vert Acc Port will only accept one of the “vertical” accessory
modules. This allows bass equalization or a crossover function to be dedicat-
ed to the RCA line outputs. If a module is not used (jumpers in place), a sig-
nal is still present at the RCA line outputs.
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