Rockford Fosgate 250.1 Stereo/Mono Operation, Impedanceforeachstereochannelshouldbe2Ω minimum

Page 32

#21 250.

X-Over 0°-180°24dB/12dB/0dB	L(Mono)	Inputs
Power	+R/ RCA
Power	L
Gain		Thru
R		Pass
L (Mono)		R
L (Mono)		PassThru
Speaker – +		L
Speaker – +
Punch Status		Display

–Speaker

Terminal

–

minimum	frequency
2Ω	high

S T A L L A T I O N

RCA Input

Stereo/Mono Operation

#11 250.

X-Over 0°-180°24dB/12dB/0dB	L(Mono)	Inputs
Power	+R/ RCA
Power	L
Gain		Thru
R		Pass
L (Mono)		R
L (Mono)		PassThru
Speaker – +		L
Speaker – +
Punch Status		Display

–	minimum	frequency
+	4Ω	low

+Speaker

Terminal

–

minimum	frequency
2Ω	high

SignalInputSwitch(250.#1/#2)settoL(Mono)forsingleRCAinput1	°PhaseSwitch(250.#1)setto01	°PhaseSwitch(250.#2)setto1801	Allspeakerpolarityonright amplifierisinvertedtocorrectforsignalphase	Gain(250.#1/#2)setequallytobalancethesubwoofer1	Impedanceforeachstereochannelshouldbe2Ω minimum	Impedanceforbridgedchannelshouldbe4Ω minimum
•	•	•	•	•	•	•

RangeFull toset #1/#2)1 (250.XCard

•

• Passive Crossovers are needed for proper stereo/mono operation

– 29 –

Image 32

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 TECHNICAL DESIGN FEATURES DIABLO Dynamically Invariant A-BLinear OperationTOPAZ Tracking Operation Pre-AmplifierZone 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 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 #2 250.2 INSTALLATION250.2 Power Connections Option #1 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 #2 250.1 INSTALLATION250.1 Power Connections Option #1 minimum Mono OperationPhase Switch set to AmplifiersPower orFullRangeImpedanceforbridgedchannelshouldbe4Ω minimum Stereo/Mono OperationImpedanceforeachstereochannelshouldbe2Ω minimum Bridged Mono Operation minimumImpedanceforbridgedchannelshouldbe4Ω 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 Configure a 12dB per octave filter for the XCardLOUD 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 RMS750 Watt System rated @ 4 ohms Total Power Delivery RMSTweeters 450 Watts1000 Watt System rated @ 4 ohms Total Power Delivery RMSTweeters WattsBalanced Line Transmitter FG-BLT ROCKFORD FOSGATE ACCESSORIESNOISE 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