- 6 - - 7 -
2 CHANNEL WIRING CONFIGURATIONS CLASS D WIRING CONFIGURATIONS
SINGLE CHANNEL
OPERATION (BRIDGED)
TWO CHANNEL
OPERATION (STEREO)
THREE CHANNEL
OPERATION (STEREO / MONO)
WIRING USING (1) TERMINAL
The Class D amplifiers are single channel amplifiers. Unlike Crossfire Class A/B amplifiers, these operate as single channel,
therefore one amplifier cannot be bridged by itself. Please see diagram below.
FOUR CHANNEL
OPERATION (STEREO)
THREE CHANNEL
OPERATION (STEREO & MONO)
Each subwoofer has a single 2
ohm voice coil and are connected
in parallel to one terminal, the am-
plifier will see a 1 ohm.
CROSSOVER
On the side panel of your amplifier is a potentiometer marked 50Hz-250Hz. This controls the relative crossover point for the
amplifier. To apply the crossover feature, locate the switch on the same side panel that’s labeled HPF/FULL/LPF. For highpass
applications, such as componet sets or coaxials, choose HPF. For lowpass applications, such as woofers, choose LPF. If you are
looking for full range application, place switch on FULL. Note that full will override the crossover completly
Listed below are recommended crossover points for various size speakers. These are only guidelines. Actual crossover points
recommended by the speaker manufacturers may vary and we suggest you follow those recomendations.
Speaker size Crossover recommendation:
4” (100mm) Component/ coaxial HPF 130Hz - 150Hz
5.25 (130mm) Component/ coaxial HPF 80Hz - 110Hz
6’ (160mm) Component/ coaxial HPF 70Hz - 100Hz
8” (200mm) woofer LPF 90Hz - 120Hz
10” (250mm) subwoofer LPF 70Hz - 100Hz
12” (300mm) subwoofer LPF 70Hz - 100Hz
15” (380mm) subwoofer LPF 50Hz - 80Hz
BASS BOOST
If your system is lacking low bass response locate the
BASS BOOST dial on the amplifier. A boost from 0-12dB
centered around 45Hz can be added by turning the dial
clockwise. With the dial turned all the way counter clock
-
wise 0 boost will be added. This boost function is available
on specific models only. Please see specification chart for
verification. Crossfire highly recommends using this fea
-
ture only on amplifiers powering subwoofers.
PREAMP FEATURES
INPUT OUTPUT LEVEL
6V 0.15V 50Hz 250Hz 0dB 12dB
BASS
BOOST
L
R
BRIDGED
SPEAKERS
FREQ.
PWR
- +
INPUT OUTPUT LEVEL
6V 0.15V 50Hz 250Hz 0dB 12dB
BASS
BOOST
L
R
BRIDGED
SPEAKERS
FREQ.
PWR
- +
LEVEL LEVELINPUT
POWER
INPUTOUTPUT
FREQ.
HPF
LPF FLAT
HPF
LPF FLAT
L R
L R
50H
z
6v
0.15V
6v
0.15V
250H
z
FREQ.
50Hz
250Hz
FRONT
REAR
INPUT OUTPUT LEVEL
6V 0.15V 50Hz 250Hz 0dB 12dB
BASS
BOOST
L
R
BRIDGED
SPEAKERS
FREQ.
PWR
- +
LEVEL LEVELINPUT
POWER
INPUTOUTPUT
FREQ.
HPF
LPF FLAT
HPF
LPF FLAT
L R
L R
50H
z
6v
0.15V
6v
0.15V
250H
z
FREQ.
50Hz
250Hz
FRONT
REAR
(5 Seiten)
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