Rockford Fosgate 250.1 Table Of Crossover Component Values, 6 dB/Octave High-Pass, Freq, Hertz

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TABLE OF CROSSOVER COMPONENT VALUES

TABLE OF CROSSOVER COMPONENT VALUES

L

C

6 dB/Octave High-Pass

6 dB/Octave Low-Pass

Freq.

Speaker Impedance

Hertz

2 OHMS

4 OHMS

8 OHMS

L

C

L

C

L

C

80

4.1mH

1000∝ F

8.2mH

500∝ F

16mH

250∝ F

100

3.1mH

800∝ F

6.2mH

400∝ F

12mH

200∝ F

130

2.4mH

600∝ F

4.7mH

300∝ F

10mH

150∝ F

200

1.6mH

400∝ F

3.3mH

200∝ F

6.8mH

100∝ F

260

1.2mH

300∝ F

2.4mH

150∝ F

4.7mH

75∝ F

400

.8mH

200∝ F

1.6mH

100∝ F

3.3mH

50∝ F

600

.5mH

136∝ F

1.0mH

68∝ F

2.0mH

33∝ F

800

.41mH

100∝ F

.82mH

50∝ F

1.6mH

26∝ F

1000

.31mH

78∝ F

.62mH

39∝ F

1.2mH

20∝ F

1200

.25mH

66∝ F

.51mH

33∝ F

1.0mH

16∝ F

1800

.16mH

44∝ F

.33mH

22∝ F

.68mH

10∝ F

4000

.08mH

20∝ F

.16mH

10∝ F

.33mH

5∝ F

6000

51∝ H

14∝ F

.10mH

6.8∝ F

.20mH

3.3∝ F

9000

34∝ H

9.5∝ F

68∝

H

4.7∝ F

.15mH

2.2∝ F

12000

25∝ H

6.6∝ F

51∝

H

3.3∝ F

100∝ H

1.6∝ F

6 dB/Octave High-Pass and Low-Pass Filters

L = Low-Pass (Inductor)

C = High-Pass (Capacitor)

For more information, see your Authorized Rockford Fosgate Dealer.

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AO

DP

VE

AR

A N T C I E O

D N

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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 DINTRODUCTION TO 250 SERIES Punch PowerPunch Power TECHNICAL DESIGN FEATURES DIABLO Dynamically Invariant A-BLinear OperationTOPAZ Tracking Operation Pre-AmplifierZone trans nova circuitryDSM Discrete Surface Mount Technology Stereo Pass-ThruXCard Internal Crossover NOMAD NOn-MultiplyingAdvanced Decision Balanced Line InputsITS Increased Thermal Stability 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 NeededBATTERY AND CHARGING Trunk MountingPassenger Compartment Mounting Engine Compartment MountingW I R I N G T H E S Y S T E M USING PASSIVE CROSSOVERS TABLE OF CROSSOVER COMPONENT VALUES 6 dB/Octave High-Pass6 dB/Octave Low-Pass FreqUS I N G T H E XCARD CU S T O M I Z I N G T H E XCA R DHigh-Pass Low-PassXCA R D RESISTOR CHART Butterworth Alignment Q =1% resistors used with 0.047∝ F capacitors Butterworth Alignment Q =250.2 Power Connections Option #1 250.2 INSTALLATION250.2 Power Connections Option #2 Stereo Operation Stereo/Mono OperationLeft Phase Switch set to Right Phase Switch set toBridged Operation EZ-BridgedOperationLeft Phase Switch set to Right Phase Switch set toPage XCard not required 250.2 uses output from XCard Pass-Thru uses output from XCardPage Configurea12dBper Configurea24dBperoctave and“AudiophileBypass”thefilterfor Pass-ThruUSING THE 250.2 BALANCED LINE INPUTS Connecting the BLTLevel Setting the BLT 8.0 VACPerformance Characteristics Disconnect Speakers from the250.1 Power Connections Option #1 250.1 INSTALLATION250.1 Power Connections Option #2 Phase Switch set to Mono Operationminimum AmplifiersPower orFullRangeImpedanceforeachstereochannelshouldbe2Ω minimum Stereo/Mono OperationImpedanceforbridgedchannelshouldbe4Ω minimum Bridged Mono Operation minimumImpedanceforbridgedchannelshouldbe4Ω Pass,-High -LoworPass RangeFullS W I T C H I N G N E T W O R K U S I N G T H E 250.1 SIGNAL“Audiophile Bypass” the Configure a 12dB per octave filter for the XCardLOUD TUNEConfigure a 24dB per octave filter for the 250 Watt System rated @ 4 ohms SY S T E M DI A G R A M STotal Power Delivery RMS 500 Watt System rated @ 4 ohms Total Power Delivery RMS750 Watt System rated @ 4 ohms Total Power Delivery RMSTweeters 450 Watts1000 Watt System rated @ 4 ohms Total Power Delivery RMSTweeters WattsNOISE ROCKFORD FOSGATE ACCESSORIESBalanced Line Transmitter FG-BLT Punch Status Display FG-PSD Punch Status Display connected to oneChannel A monitors left channel Channel B monitors right channelpunch Energy Storage CapacitorsXCard Crossovers 1.0capSymptom TR O U B L E S H O O T I N GDiagnosis RemedySymptom DiagnosisRemedy Speaker Output LowSymptom DiagnosisRemedy Low or distorted output fromQUICK CHECK FOR TROUBLESHOOTING CAR AUDIO SYSTEMS AUTOSOUND 2000sPreface Noise OverviewTime for Processors SummationDY N A M I C PO W E R ME A S U R E M E N T S About the Dynamic Power MeasurementsWhat is an Amplifier? Music250.2 SP E C I F I C AT I O N S Specifications subject to change without notice180Watts 310Watts 620Watts 125Watts 225Watts 450 Watts250.1 SP E C I F I C AT I O N S Specifications subject to change without notice420Watts 710Watts 1420 Watts 250Watts 500 Watts 1000 WattsLIMITED WA R R A N T Y IN F O R M AT I O N Length of WarrantyWhat is Covered What is Not CoveredN F O R M A T I O N INTRODUCCIÓN UBICACIÓN DE LOS AMPLIFICADORESMaletero HabitáculoOperación mono/estéreo Installation INTRODUCTIONMONTAGE Montage dans le coffrePage EINLEITUNG EINBAUORTDEUTSCH Im FahrzeugkofferraumLinken Phasen Schalter auf 0 stellen Stereo/Mono BetriebInstallazione INTRODUZIONEDOVE POSIZIONARLO ITALIANOStereo/Mono Operation Fase sinistra dellinterruttore posizionata suMADE IN THE USA