XTANT RM Manual
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INSTALLING AN RM MODULE
STEP 1: Locating the Connectors
INSTALLING AN RM MODULE
STEP 2: Selecting an RM Module
INSTALLING AN RM MODULE
STEP 3: Plugging-in the RM MODULE
A. Turn-off amplifier. Remove amplifier cover and
locate the two RM Module receptacles.
B. Align the RM Module and press it onto the port by
applying downward pressure.
There is no polarity
that needs to be observed. Be sure that the connectors
are fully seated.
C. Turn amp on and audition the system. If further
adjustment is necessary, turn amp off and exchange
the RM Module for a higher or lower value.
Warning, the RM Modules will become HOT during
normal use. To avoid burns, caution should be taken
when exchanging an RM Module.
A. Remove the RM Module from the packag-
ing and inspect the circuit board.
B. Locate the two connectors soldered on the
bottom of the circuit board. See illustration 1
C. Simply align the two connectors with the
two circuit board mounted receptacles located
on the 302a and 403a amplifiers and plug the
RM Module into place by applying downward
pressure.
The RM Modules serve two purposes. First they acti-
vate the “passive speaker terminals” on the 302a &
403a and, secondly, they add 4, 8, 12 or 16 dB of atten-
uation to the speakers attached to the “passive speaker
terminals”. Normally, the rear fill speakers are attached
to the “passive speaker terminals” but any speakers (ie
tweeters / center channel) that you desire to attenuate
(turn down) may be attached to these terminals. The
appropriate module is dependent upon speaker effi-
ciency and the distance of the listener to the speakers.
In a mini or standard pick-up truck, where the rear
speakers are in relatively close proximity, the higher
value RM 12 or RM 16 may be appropriate. In a sedan
or coupe, the RM 4 or RM 8 may be better suited. The
modules are easily interchanged and a little experi-
mentation will help you determine the best value.
illustration 3
RM MODULE
BOARD CONNECTORS
illustration 1