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SM1-1000.1 / SM1-1500.1 / A/B MONO AMPLIFIER APPLICATIONS
7
Basic application
Crossover frequency control checklist:
These sub bass amplifiers can be used any of the bi-amplification systems
LOW PASS: 40Hz to 150Hz
described in this manual, replacing the 2 channel amplifiers as per the
illustrations.
SUBSONIC:15 Hz to 55 Hz
BASS EQ: 0 to +12dB
Interconnect cable checklist:
PHASE: 0 to 180 degrees
Connect the inputs to a suitable source, e.g. a head unit with good quality RCA
cables. Connect the LINE OUT to the inputs of the system highs amplifier.
Level control checklist:
Use at least #12 gauge speaker wiring. The amps have dual speaker terminals,
Refer to the section “Setting up systems after installation for best performance”
simplifying the hookup of multiple speakers
Minimum final loudspeaker impedance: 1-Ohm.
FULL RANGE
STEREO LINE INPUT
NOT USED
Y-ADAPTOR
Note: You can use the Radio/CD designated mono line output
or a full range stereo line output. For full range stereo line output,
you will need an optional “Y-Adaptor” as shown
PARALLEL MONO
SUBWOOFERS
2-OHMS EACH MINIMUM
GND REM +12V
POWER INPUT FUSE
SPEAKER OUTPUT
+ + - -
TO BATTERY +12 Volts
GND REM +12V
POWER INPUT FUSE
SPEAKER OUTPUT
+ + - -
INPUT OUTPUT
LOW SUB BASS
REMOTE
CONTROL
POWER
PROTECT
R R
L L
5V 0.2V 40Hz 150Hz 15Hz 55Hz 0dB 12dB
LEVEL PASS SONIC BOOST
REMOTE TURN-ON
CHASSIS GROUND
DESIGNATED MONO
OUTPUT FROM HEAD UNIT
MONO
SUBWOOFER
utotek
a
0dB 18dB
ATR-1