Rockford Fosgate 250M manual Specifications Model

Page 10

SPECIFICATIONS

MODEL

 

POWER 250M

Continuous Power Rating (RMS) - Measured at 14.4 Battery Volts

4Ω Load Mono

 

125 Watts

2Ω 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 @ 4Ω (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

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Contents Mono Amplifier Table of Contents IntroductionSafety Instructions Contents of CartonDesign Features Installation Installation ConsiderationsInstallation Mounting LocationsInstallation Battery and Charging Wiring the SystemUsing Passive Crossovers Speaker ImpedanceOperation Adjusting Gain Installation Remote Punch BassAdjusting Crossover Frequency Troubleshooting AccessoriesSpecifications Model Continuous Power Rating RMS Measured at 14.4 Battery VoltsLimited Warranty Information Ship to ElectronicsRockford Fosgate