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Product Description: The CM12
ule is designed to be plugged into any accessory port tower on the 301a amplifier. Frequency adjust-
ment is via a 12 pin, plug-in resistor SIP (Single In-line Package). A 90 Hz SIP is factory installed and
an additional 13 crossover frequency SIPs are available from your Authorized Xtant Dealer.
Adding Accessory Modules: The 301a is equipped with three accessory docking ports. Two ports
are dedicated to the amplifier and are labeled Amp Vert/Horiz Acc. Port and Amp Vert. Acc. Port.
The third is dedicated to the RCA output signal and is labeled Line Out Vert. Acc. Port. Xtant offers
two types of accessory modules which are designed for either "Horizontal" or "Vertical" mount-
ing. The docking port labeled Amp Vert/Horiz Acc. Port will accept any of the modules, 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:
Model
Function
CM 24x
Xover
PQM 1
EQ
LFQ 45
Bass EQ
RGM 1
Remote Gain
RIGHT ANGLE
HEADER CONNECTOR
CIRCUIT BOARD
Applications: The CM 12L filter module may be used alone or in combination with other Xtant
modules. Here are a few examples of how the CM 12
Low Pass Amp: CM12
Low Pass RCA Out: CM12
Low Pass + EQ Amp: CM12
PQM 1 EQ in Amp Vert/Horiz Acc. Port
Band Pass Amp: CM12
CM12
(High Pass) for amp in Amp Vert. Acc. Port
H
24 dB High Pass for Amp: 2 – CM12
in Amp Vert. Acc. Port and Amp Vert/Horiz Acc. Port
X t a n t T e c h n o l o g i e s • 7 6 7 6 S o u t h 4 6 t h S t r e e t • P h o e n i x , A r i z o n a • 8 5 0 4 0 • 6 0 2 4 3 1 8 6 8 6
Supplied CM12
is a 12 dB per octave low pass filter network. This supplied mod-
L
XTANT ACCESSORY MODULES
Mounting
Horizontal
Horizontal
Vertical
Vertical
Installation: The CM12
"
"
LOCATING
KEY
sory port towers located on the 301a's printed circuit
board. Simply remove the port jumpers and plug the
module in vertically. Be sure to observe the orientation of
the "keyed" right angled header connector before
attempting to insert the CM12
in Amp Vert. Acc. Port.
L
in Line Out Vert. Acc. Port
L
in Amp Vert. Acc. Port plus
L
in Amp Vert/Horiz Acc. Port. plus
L
set at same frequency
L
Filter Module
L
Model
Function
CM12
Xover
H
CM12
Xover
L
NGM 1
Noise Gate
installs on any of the three acces-
L
Module may be applied:
L
Accessory Port Tower
Mounting
Vertical
Vertical
Horizontal
onto a port tower.
L
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