Frequency Response: ± 1dB from 20Hz to 300Hz
Signal to Noise Ratio: >90dB
Low Pass Crossover: 18dB per Octave
Subsonic Filter: 12dB per Octave
Low Pass Crossover Range: 30Hz to 300Hz
Subsonic Crossover Range: 10Hz to 55Hz
Bass Boost @ 45Hz: 0 to +18dB
Low Level Input Range: 200 millivolts to 8 volts
Lowest Recommend Load: 1 ohm
Typical Eciency: 70%
Damping Factor: Greater than 200
Amplier Owner’s Manual
RMS Power 14.4Vdc ≤ 1% THD 900 x 1 @ 2 ohms
1300 x 1 @ 1 ohm
Dynamic Power 14.4Vdc >1% THD 1200 x 1 @ 2 ohms
1600 x 1 @ 1 ohm
Recommended Fuse Size: 120 amp
Power/Ground Wire Size: 4 Gauge
Dimensions (Includes Mounting Feet): 14.33” L x 6.93” W x 2.0” H
364mm L x 176mm W x 51mm H
Dimensions (Includes Terminals): 14.96” L x 6.93” W x 2.0” H
380mm L x 176mm W x 51mm H
SD1300.5 SPECIFICATIONS
Frequency Response: ± 1dB from 20Hz to 20kHz
Signal to Noise Ratio: >100dB
High Pass Crossovers: 12dB per Octave
Low Pass Crossover: 18dB per Octave
High Pass Crossover Range: 15Hz to 250Hz
Low Pass Crossover Range: 30Hz to 300Hz
Bass Boost @ 45Hz: 0 to +18dB
Low Level Input Range: 200 millivolts to 8 volts
Front and Rear Channels Lowest Load: 4 ohms Bridged or 2 ohms Stereo
Subwoofer Channel Lowest Load: 2 ohm
Typical Eciency: 70%
Damping Factor Greater than 200
Note: All SD ampliers operate correctly up to 14.4 volts. Do not
operate the amplier above 14.4 volts. The amplier will engage its
overvoltage protection, the result is no audio output on one or
more channels.
RMS Power 14.4Vdc ≤1% THD 80 x 4 @ 4 ohms Stereo
125 x 4 @ 2 ohms Stereo
250 x 2 @ 4 ohms Bridged
plus
500 x 1 @ 4 ohms
800 x 1 @ 2 ohms
Dynamic Power 14.4Vdc >1% THD 95 x 4 @ 4 ohms Stereo
150 x 4 @ 2 ohms Stereo
300 x 2 @ 4 ohms Bridged
plus
700 x 1 @ 4 ohms
1000 x 1 @ 2 ohms
Recommended Fuse Size: 100 amp
Power/Ground Wire Size: 4 Gauge
Dimensions (Includes Mounting Feet): 14.33” L x 6.93” W x 2.0” H
364mm L x 176mm W x 51mm H
Dimensions (Includes Terminals): 14.96” L x 6.93” W x 2.0” H
380mm L x 176mm W x 51mm H
Connect preamp signal cables from the head unit to these terminals.
CROSSOVER FREQUENCY
Controls the lowpass crossover point for the speaker outputs.
BASS BOOST
Variable bass boost from 0 to +18dB @ 45Hz.
REMOTE LEVEL CONTROL
This port is for connecting the subwoofer remote level control. This allows
up to 20dB of volume adjustment. This is not a bass boost, it controls the
level of the low pass signal.
NOTE: This control is not compatible with the Phoenix Gold LPL44 level
control.
SENS
Used to reach maximum amplier power with a wide variety of headunits.
SUBSONIC CROSSOVER FREQUENCY
Controls the highpass crossover point for the speaker outputs to eliminate
extreme low frequencies.
RMD
Optional RMD Voltage Display plugs into this port. Sold separately.
+12V
This must be connected to the fused positive terminal (+12V) of the car’s
battery. The fuse must be located within 18 inches of the battery.
REMOTE
This must be connected to switched +12V, usually a trigger wire coming
from the head unit or ignition.
GROUND
This must be connected to the negative terminal of the car’s battery or
bolted to a clean, unpainted part of the chassis of the vehicle.
NOTE: Visible through the plexiglass cover, a single blue power LED is located in the lower corner of all SD ampliers.
SPEAKER OUTPUTS
Used to connect the amplier to speakers. SD1300.1 minimum impedance
is 1 ohm.
Connect preamp signal cables from headunit to these inputs. The front
AND rear inputs must be used, if only the front input is used then the rear
speaker outputs will have no output signal. The Sub Input may or may not
be used see SUB INPUT SWITCH for more information.
HPF AND LPF CROSSOVER FREQUENCY
Controls the crossover point for the speaker outputs.
REMOTE LEVEL CONTROL
This port is for connecting the subwoofer remote level control. This allows
up to 20dB of volume adjustment. This is not a bass boost, it controls the
level of the subwoofer channel only.
NOTE: This control is not compatible with the Phoenix Gold LPL44 level
control.
BASS BOOST
Variable bass boost from 0 to +18dB @ 45Hz for the subwoofer channel only.
SENS
Used to reach maximum amplier power with a wide variety of headunits.
SUB INPUT SWITCH
IN: Subwoofer speaker output is fed by the sub Input. If the headunit or
processor has a subwoofer low level output use this setting.
OUT: Subwoofer speaker output is fed by the front input and the sub Input is not
used. If the headunit or processor only has front and rear low level outputs use
this setting.
RMD
Optional RMD Voltage Display plugs into this port. Sold separately.
+12V
This must be connected to the fused positive terminal (+12V) of the car’s
battery. The fuse must be located within 18 inches of the battery.
REMOTE
This must be connected to switched +12V, usually a trigger wire coming
from the head unit or ignition.
This must be connected to the negative terminal of the car’s battery or
bolted to a clean, unpainted part of the chassis of the vehicle.
NOTE: Visible through the plexiglass cover, a single blue power LED is located in the lower corner of all SD ampliers.
SPEAKER OUTPUTS
Used to connect the amplier to speakers. Front and Rear Channel minimum
impedance is 4 ohms bridged or 2 ohms stereo. Subwoofer channel minimum
impedance is 2 ohms. Use Right + and Left - to bridge the front or rear channels,
the subwoofer channel is not bridgeable.
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