Rockford Fosgate 250.1 Sp E C I F I C At I O N S, 180Watts 310Watts 620Watts 125Watts 225Watts

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250.2 SP E C I F I C AT I O N S

250.2 SP E C I F I C AT I O N S

Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4V Per channel into a 4Ω load

Per channel into a 2Ω load Bridged into a 4Ω load

Continuous Power Rating (Competition Standard) - Measured at 13.8 Battery Volts RMS continuous power per channel, both channels driven

into a 4Ω load from 20 to 20,000Hz with less than 0.05% THD (Total Harmonic Distortion)

RMS continuous power per channel, both channels driven into a 2Ω load from 20-20,000Hz, with less than 0.10% THD

RMS continuous power mono, into 4Ω load from 20-20,000Hz, with less than 0.1% THD

Common Mode Rejection Ratio (CMRR):

Signal-to-Noise Ratio:

Frequency Response:

Bandwidth:

Damping Factor @ 4Ω (at output connector):

Slew Rate:

IM Distortion (IHF):

Input Impedance:

Input Sensitivity:

B+ Fuse Size: (External to amplifier)

Fuse Type:

Crossover Alignment:

Factory Crossover Frequency:

Factory Default Crossover Setting:

Dimensions: (including end caps)

180Watts

310Watts

620Watts

125Watts

225Watts

450 Watts

Typically 40dB

>100dB (A-weighted)

20Hz-20,000Hz ± 0.5dB

10Hz–250kHz ± 3dB

>200

50V ∝ s

<0.05%

20k Ohms

Variable from 300mV to 5V Preset at the factory for 500mV

60 Amp or two 30 Amp

AGU / Maxi Fuse

12dB or 24dB/octave Butterworth

80Hz (0.047∝ f)

Full Range

9-5/8"W x 14-9/32"L x 2-5/8"H (24.4cm) x (36.27cm) x (6.6cm)

Specifications subject to change without notice.

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Contents power powerpower 250.1PRACTICE SAFE SOUND TA B L E O F CO N T E N T S G E T T I N G S T A R T E DPunch Power Punch PowerINTRODUCTION TO 250 SERIES TOPAZ Tracking Operation Pre-AmplifierZone TECHNICAL DESIGN FEATURESDIABLO Dynamically Invariant A-BLinear Operation trans nova circuitryXCard Internal Crossover Stereo Pass-ThruDSM Discrete Surface Mount Technology ITS Increased Thermal Stability Balanced Line InputsNOMAD NOn-MultiplyingAdvanced Decision 250.2 DE S I G N FE AT U R E S PLIFIER 250.1 DE S I G N FE AT U R E S 1AMPLIFIER INSTALLATION CONSIDERATIONS Tools NeededPassenger Compartment Mounting BATTERY AND CHARGINGTrunk Mounting Engine Compartment MountingW I R I N G T H E S Y S T E M USING PASSIVE CROSSOVERS 6 dB/Octave Low-Pass TABLE OF CROSSOVER COMPONENT VALUES6 dB/Octave High-Pass FreqHigh-Pass US I N G T H E XCARDCU S T O M I Z I N G T H E XCA R D Low-Pass1% resistors used with 0.047∝ F capacitors XCA R D RESISTOR CHARTButterworth Alignment Q = Butterworth Alignment Q =250.2 Power Connections Option #2 250.2 INSTALLATION250.2 Power Connections Option #1 Left Phase Switch set to Stereo OperationStereo/Mono Operation Right Phase Switch set toLeft Phase Switch set to Bridged OperationEZ-BridgedOperation Right Phase Switch set toPage XCard not required 250.2 uses output from XCard Pass-Thru uses output from XCardPage filterfor Configurea12dBperConfigurea24dBperoctave and“AudiophileBypass”the Pass-ThruUSING THE 250.2 BALANCED LINE INPUTS Connecting the BLTPerformance Characteristics Level Setting the BLT8.0 VAC Disconnect Speakers from the250.1 Power Connections Option #2 250.1 INSTALLATION250.1 Power Connections Option #1 minimum Mono OperationPhase Switch set to AmplifiersPower orFullRangeImpedanceforbridgedchannelshouldbe4Ω minimum Stereo/Mono OperationImpedanceforeachstereochannelshouldbe2Ω minimum Impedanceforbridgedchannelshouldbe4Ω Bridged Mono Operationminimum Pass,-High -LoworPass RangeFull“Audiophile Bypass” the U S I N G T H E 250.1 SIGNALS W I T C H I N G N E T W O R K LOUD Configure a 12dB per octave filter for theXCard TUNEConfigure a 24dB per octave filter for the Total Power Delivery RMS SY S T E M DI A G R A M S250 Watt System rated @ 4 ohms 500 Watt System rated @ 4 ohms Total Power Delivery RMSTweeters 750 Watt System rated @ 4 ohmsTotal Power Delivery RMS 450 WattsTweeters 1000 Watt System rated @ 4 ohmsTotal Power Delivery RMS WattsBalanced Line Transmitter FG-BLT ROCKFORD FOSGATE ACCESSORIESNOISE Channel A monitors left channel Punch Status Display FG-PSDPunch Status Display connected to one Channel B monitors right channelXCard Crossovers punchEnergy Storage Capacitors 1.0capDiagnosis SymptomTR O U B L E S H O O T I N G RemedyRemedy SymptomDiagnosis Speaker Output LowRemedy SymptomDiagnosis Low or distorted output fromPreface QUICK CHECK FOR TROUBLESHOOTING CAR AUDIO SYSTEMSAUTOSOUND 2000s Noise OverviewTime for Processors SummationWhat is an Amplifier? DY N A M I C PO W E R ME A S U R E M E N T SAbout the Dynamic Power Measurements Music180Watts 310Watts 620Watts 125Watts 225Watts 250.2 SP E C I F I C AT I O N SSpecifications subject to change without notice 450 Watts420Watts 710Watts 1420 Watts 250Watts 500 Watts 250.1 SP E C I F I C AT I O N SSpecifications subject to change without notice 1000 WattsWhat is Covered LIMITED WA R R A N T Y IN F O R M AT I O NLength of Warranty What is Not CoveredN F O R M A T I O N Maletero INTRODUCCIÓNUBICACIÓN DE LOS AMPLIFICADORES HabitáculoOperación mono/estéreo MONTAGE InstallationINTRODUCTION Montage dans le coffrePage DEUTSCH EINLEITUNGEINBAUORT Im FahrzeugkofferraumLinken Phasen Schalter auf 0 stellen Stereo/Mono BetriebDOVE POSIZIONARLO InstallazioneINTRODUZIONE ITALIANOStereo/Mono Operation Fase sinistra dellinterruttore posizionata suMADE IN THE USA
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