Rockford Fosgate 55.2 Stereo Amplifier User Manual


 
PUNCH 55.
2
PUNCH 75.2
PUNCH 125.
2 PUNCH 225.
2
Dimensions 9
5
/8" (24.4cm) W 9
5
/8" (24.4cm) W 9
5
/8" (24.4cm) W 9
5
/8" (24.4cm) W
10
9
32" (26.1cm) L 11
9
32" (28.65cm) L 12
9
32" (31.16cm) L 13
9
32" (33.70cm) L
2
5
/8" (6.6cm) H 2
5
/8" ( 6.6cm) H 2
5
/8" ( 6.6cm) H 2
5
/8" ( 6.6cm) H
Frequency Response 20Hz to 20kHz ±0.5dB
Bandwidth 10Hz to 200kHz ±3dB
Damping Factor @ 4 (at output connector ) >200
Slew Rate 30 Volts µs
IM Distortion (IHF) <0.05%
Source Unit Compatibility (+15dB gain overlap) 17V max.
Input Sensitivity (+0dB gain overlap) Variable from 150mV to 3V
Protection NOMAD - Internal analog-computer output protection circuitry limits power in case of
overload. Thermal switch shuts down the amplifier in case of overheating.
Battery Fusing Rates (External to Amplifier) 20 amps 30 amps 40 amps 50 amps
Fuse Type ATC ATC ATC AGU
Equalization Bass: +18dB Maximum at 45Hz
Treble: +12dB Maximum at 20kHz
Input Impedance 20k ohms
Specifications are subject to change without notice.
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