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SS75.2 / SS125.2 2-CHANNEL AMPLIFIER APPLICATIONS
5
Stereo high pass with mono low-pass in a 2 way active, or bi-amplified system
2 CHANNEL
HIGHS AMPLIFIER
2 CHANNEL
SUB BASS AMPLIFIER
In this application we will use a 2 channel amplifier for the high frequencies, and
Lows amplifier:
a second one for the low frequencies, or mono sub bass. Please consult the
speaker specifications to determine maximum amplifier power requirements.
- HI PASS (Subsonic filter): 10 Hz to 40 Hz
- LOW PASS: 100 Hz
Interconnect cable checklist:
Connect the inputs of the HIGHS amplifier to a Radio/CD with good quality RCA
Please note that these frequency points are suggestions only. Refer to the
cables. Connect the LINE OUT of the HIGHS amplifier to the inputs of the BASS
loudspeaker manufacturer specifications and the section “Setting up systems
amplifier with a stereo RCA to RCA cable.
after installation for best performance”
Level control checklist:
Mono bass woofer wiring:
- Refer to the section “Setting up systems after installation for best performance”
Connect the mono speaker positive terminal to the RIGHT +, and its negative
terminal to LEFT -.
Minimum final loudspeaker impedances:
- 2-Ohms per channel stereo.
Switch setting checklist:
- 4-Ohms mono bridged.
- Highs amplifier: X-OVER switch in the HPF position.
- Lows amplifier: X-OVER switch in the LPF position.
Crossover frequency control checklist:
Highs amplifier:
- HI PASS: 100 Hz
- LOW PASS: N/A
LINE OUT LINE INPUT
R R
L L
+ - gnd - +
HI INPUT
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
LEVEL BASS EQ HPF LPF
FULL LPF HPF MONO STEREO
X-OVER MODE
GND REM +12V
POWER INPUT FUSE
SPEAKER OUTPUT
LEFT RIGHT
BRIDGED
POWER
PROTECT
+ - + -
LINE OUT LINE INPUT
R R
L L
+ - gnd - +
HI INPUT
5V 0.2V 0dB 12dB 60Hz 1.2KHz 30Hz 250Hz
LEVEL BASS EQ HPF LPF
FULL LPF HPF MONO STEREO
X-OVER MODE
GND REM +12V
POWER INPUT FUSE
SPEAKER OUTPUT
LEFT RIGHT
BRIDGED
POWER
PROTECT
+ - + -
FULL RANGE
STEREO LINE INPUT
STEREO
INTERCONNECT
RCA CABLE
STEREO
HIGHS
SPEAKERS
MONO BASS
SPEAKER
REMOTE TURN-ON
CHASSIS GROUND
TO BATTERY +12 Volts VIA FUSE
REMOTE TURN-ON
CHASSIS GROUND
TO BATTERY +12 Volts VIA FUSE