Manuals / Rockford Fosgate / Home Audio / Stereo Amplifier

Rockford Fosgate 225.2, 75.2 Installation, Power Connections, Keep grounds as short as possible

Models: 225.2 125.2 55.2 75.2

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INSTALLATION

N S T A L L A T I O N

Power Connections
LED
REM B+ GND
Connect to remote	Connect to chassis
turn-on lead of	ground of vehicle*
source unit
Less than 18"
	P55.2		- 20A
	P75.2		- 20A
	P75.2		- 30A
	P125		- 30A
	P125	.2	-
	P225.		40A
	P225.	2	-
Connect to B+ of battery with			50A
Connect to B+ of battery with
	appropriate fuse value
*Keep grounds as short as possible

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Rockford Fosgate 225.2, 75.2, 55.2, 125.2 manual Installation, Power Connections, Keep grounds as short as possible

Contents

punch 2-Channel Amplifiers Operation & Installationt r a n s a n a t r a n s a n a t r a n s a n a t r a n s a n a PRACTICE SAFE SOUND G E T T I N G S T A R T E D TABLE OF CONTENTSIN T R O D U C T I O N PUNCH AMPLIFIER ACCESSORY PACKTOPAZ Tracking Operation Pre-Amplifier Zone TECHNICAL DESIGN FEATURESTRANSANA TRANSconductance Active Nodal AmplifierXCard Internal Crossover DSM Discrete Surface Mount TechnologyPunch EQ MOSFET DevicesNOMAD NOn-Multiplying Advanced Decision DESIGN FEATURES A M P L I F I E R For Bridged Mono WiringHigh-Pass HP LP Low-Pass LP HP Full Range FULL INSTALLATION CONSIDERATIONS Engine Compartment Mounting MOUNTING LOCATIONTrunk Mounting Passenger Compartment MountingWIRING THE SYSTEM BATTERY AND CHARGINGINSULATION Punch PunchPage USING PASSIVE CROSSOVERS Hertz TABLE OF CROSSOVER COMPONENT VALUESFreq Speaker Impedance= R in kΩ for .022μf cap USING THE XCARD3386 72341% resistors used with 0.047μF caps RESISTOR CHARTButterworth Alignment Q = Butterworth Alignment Q =Power Connections INSTALLATIONKeep grounds as short as possible Impedance for each channel should be 2Ω minimum Stereo OperationRCA inputs are connected to both left and right channels Gain for left and right channels operate independentlySpeaker Mono OperationStereo/Mono Operation Crossover 2-Way SystemSYSTEM DIAGRAMS 12dB/octave HPCrossover Tweeter Midrange 3-Way System80HzFront 12dB/octave HP Rear80Hz 12dB/octave LPLD RDM RPT 4-Way SystemDISC AMFMTweeter 4-Way System w/Fadable Rear StageEnergy Storage Capacitors ROCKFORD FOSGATE ACCESSORIESpunch Crossover Card XCard CrossoversFULL Remedy TROUBLESHOOTINGSymptom DiagnosisSpeaker Output SymptomDiagnosis RemedyEngine Noise SymptomRemedy DiagnosisListening to Loudspeakers - Not Resistors DYNAMIC POWER MEASUREMENTSAbout the Dynamic Power Measurements MusicInformation Cubed What is an Amplifier?Example of a Punch 200.2 PowerCube PUNCH Dynamic Power Rating IHF-202 Standard - Measured at 14.4 Volts80Hz adjustable .047μf S P E C I F I C AT I O N S30 Volts μs PUNCHPUNCH PUNCHWhat is Not Covered LIMITED WARRANTY INFORMATIONLength of Warranty What is CoveredN F O R M A T I O N Montaje en el Compartimento de Pasajeros INTRODUCCIONUBICACIÓN PARA EL MONTAJE Montaje en el MalateroXCard en Full Range Terminal GNDTerminal REM Funcionamiento Estereo/MonoMontage dans le coffre InstallationINTRODUCTION MONTAGETerminal REM Opération stéréo/mono tri modeFRANÇAIS Terminal GNDAuf der Beifahrerseite EINLEITUNGEINBAUORT Im FahrzeugkofferraumDEUTSCH GND AnschluβREM Anschluβ Chinch Eingänge des rechten- und linken-Kanales anschliebenNel Bagagliaio InstallazioneINTRODUZIONE DOVE POSIZIONARLOStereo/Mono Operation Terminale GND cavo negativoTerminale REM Consenso di accensione ITALIANONO T E S NO T E S Rockford Fosgate MADE IN THE USA

INSTALLATION

Power Connections

*Keep grounds as short as possible