Rockford Fosgate 50.2, 50.1 Stereo Operation, Stereo/Mono Operation, Left Phase Switch set to

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Stereo Operation

	Stereo Operation	RCA
	Stereo Operation	Input
		Input

Unbal.

R

L (Mono)

Speaker

0

°

-180

°

Bal.

Bal.

EZ-180°-0°

Speaker

+

L

–

Bridged

–

R

+

Pass

Input

Gain

Thru

L

R

Gain

–	–
1Ω Min.	1Ω Min.
+	+
	+

•RCA inputs are connected to both left and right channels

•Signal Input Switch selected to Unbalanced for RCA input

•Left Phase Switch set to 0°

•Right Phase Switch set to 0°

•Gain for left and right channels operate independently

•Impedance for each channel should be 1Ω minimum

•XCard can be High-Pass, Low-Pass or Full Range position

	Stereo/Mono Operation	RCA
	Stereo/Mono Operation	Input
		Input

	Unbal.
		L (Mono)		R
Speaker	0°-180°	Bal.			Bal.	EZ-180°-0°	Speaker
+ L –					Bal.	Bridged	– R +
+ L –		Pass			Input	Bridged	– R +
		Pass			Input
	Gain	Thru	L	R		Gain

I

N

S T A L L A T I O N

+

Speaker Terminal

–

+

1Ω min.

1Ω min.

+ –

+

–

–

Speaker Terminal

2Ω min.

•RCA inputs are connected to both left and right channels

•Signal Input Switch selected to Unbalanced for RCA input

•Left Phase Switch set to 0°

•Right Phase Switch set to 180° for stereo/mono operation

•All speaker polarity on right channel is inverted to correct for signal phase

•Gain for left and right channels set equally to balance the subwoofer

•Impedance for each channel should be 1Ω minimum

•Impedance for bridged channel should be 2Ω minimum

•XCard is in Full Range position

•Passive Crossovers are needed for proper stereo/mono operation

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Contents power powernew chrome heatsink 50.1PRACTICE SAFE SOUND TABLE OF CONTENTS G E T T I N G S TA R T E DPUNCH AMPLIFIER ACCESSORY PACK Punch PowerINTRODUCTION TO 50 SERIES Punch PowerTECHNICAL DESIGN FEATURES XCard Internal Crossover Stereo Pass-ThruDSM Discrete Surface Mount Technology ITS Increased Thermal Stability Balanced Line InputsNOMAD NOn-MultiplyingAdvanced Decision 50.2 DESIGN FEATURES M P L I F I E R 50.1 DESIGN FEATURES Page INSTALLATION CONSIDERATIONS Tools NeededBATTERY AND CHARGING MOUNTING LOCATION STrunk Mounting Passenger Compartment MountingWIRING THE SYSTEM USING PASSIVE CROSSOVERS TABLE OF CROSSOVER COMPONENT VALUES Speaker Impedance6dB/Octave Low-Pass FreqUSING THE XCARD CUSTOMIZING THE XCARDHigh-Pass Low-PassXCARD RESISTOR CHART Butterworth Alignment Q =1% resistors used with 0.047mF capacitors Butterworth Alignment Q =50.2 Power Connections Option #2 50.2 INSTALLATION50.2 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 toUSING THE 50.2 SIGNAL SWITCHING NETWORK 50.2 bypasses the circuitry of XCard 1 and XCard 50.2 uses output from XCard Pass-Thru uses output from XCard50.2 bypasses the circuitry of XCard 50.2 uses output from XCard 1 and XCard Pass-Thru bypasses XCard 1 and XCardUSING THE 50.2 BALANCED LINE INPUTS Connecting the BLTLevel Setting the BLT Performance CharacteristicsDisconnect Speakers from the AC Voltmeter set to AC Volts50.1 INSTALLATION 50.1 Power Connections Option #150.1 Power Connections Option #2 – 26 –Mono Operation Phase Switch set toPhase Switch 50.1 #1/2 set to Phase Switch 50.1 #1 set to Phase Switch 50.1 #2 set toStereo/Mono Operation XCard 50.1 #1/#2 set to Full RangePhase Switch 50.1 #2 set to Bridged Mono OperationPhase Switch 50.1 #1 set to “Audiophile Bypass” the U S I N G T H E 50.1 SIGNALS W I T C H I N G N E T W O R K Configure a 12dB per octave filter for the Xover is set to 12dBPass-Thru has Full Range output only LOUDPass-Thru has Full Range output only Configure a 24dB per octave filter for the• Xover is set to 24dB Total Power Delivery RMS SYSTEM DIAGRAMS100 Watt System rated @ 4 ohms 150 Watt System rated @ 4 ohms Total Power Delivery RMSTweeters 400 Watts300 Watt System rated @ 4 ohms Total Power Delivery RMSTweeters 400 Watts500 Watt System rated @ 4 ohms Tweeters400 Watts MidrangeBalanced Line Transmitter FG-BLT ROCKFORD FOSGATE ACCESSORIESNOISE punch Energy Storage CapacitorsXCard Crossovers TROUBLESHOOTING SymptomDiagnosis RemedySymptom DiagnosisRemedy Speaker Output LowSymptom DiagnosisRemedy Low or distorted output from theQUICK CHECK FOR TROUBLESHOOTING CAR AUDIO SYSTEMS AUTOSOUND 2000sPreface Noise OverviewTime for Processors SummationDYNAMIC POWER MEASUREMENTS About the Dynamic Power MeasurementsWhat is an Amplifier? Music50.2 SPECIFICATIONS Specifications subject to change without notice50Watts 90Watts 150Watts 300Watts 25Watts 50Watts 100Watts 200 Watts50.1 SPECIFICATIONS Specifications subject to change without notice100Watts 200Watts 325Watts 650Watts 50Watts 100Watts 200Watts 400 WattsLIMITED WARRANTY INFORMATION Length of WarrantyWhat is Covered What is Not CoveredN F O R M A T I O N INTRODUCCIÓN UBICACIÓN DE LOS AMPLIFICADORESMaletero HabitáculoESPAÑOL Operación mono/estéreoInstallation INTRODUCTIONMONTAGE Montage dans le coffreTri-modeInput FRANÇAISOpération stéréo/mono EINLEITUNG EINBAUORTIm Fahrzeugkofferraum Auf der BeifahrerseiteStereo/Mono Betrieb DEUTSCHLinken Phasen Schalter auf 0 stellen Installazione INTRODUZIONEDOVE POSIZIONARLO Nel BagagliaioFase sinistra dellinterruttore posizionata su ITALIANOStereo/Mono Operation MADE IN THE USA