Rockford Fosgate 250M Stereo Amplifier User Manual


 
10
SPECIFICATIONS
MODEL POWER 250M
Continuous Power Rating (RMS) - Measured at 14.4 Battery Volts
4 Load Mono 125 Watts
2 Load Mono 250 Watts
Signal-to-Noise Ratio >100dB A-weighted
Crossover Slope 24dB/octave Butterworth
Crossover Frequency variable from 50Hz to 250Hz
Dimensions: (with Endbell)
Height 2.60" (6.60cm)
Width 9.8" (24.89cm)
Length 11.35 (28.83cm)
Frequency Response 20Hz to 20kHz ±0.5dB
Bandwidth 10Hz to 200kHz ±3dB
Damping Factor @ 4 (at output connector ) >200
Slew Rate 30 Volts/ms
IM Distortion (IHF) <0.05%
Source Unit Compatibility (+15dB gain overlap) 17V max. (low level in)
Acceptable Signal Voltage Range Variable from 250mV to 6V (RCA)
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) 15 amps
Fuse Type ATC
Equalization (45Hz Punch Bass) Variable from 0dB to +18dB @ 45Hz
Input Impedance 20k ohms
Specifications subject to change without notice