Manuals / Rockford Fosgate / Home Audio / Stereo Amplifier

Rockford Fosgate 125.2, 75.2, 55.2, 225.2 manual Way System w/Fadable Rear Stage, Tweeter

Models: 225.2 125.2 55.2 75.2

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4-Way System w/Fadable Rear Stage

80Hz HP

12dB/octave HP

	AUD		CLOCK	AUTO		ILLUM	SEL
	DISC	Ch	DSPL	P.SCN		LOUD
VOL	AMFM	ST LD RDM RPT					TUNE
VOL	PWR	D.SCN SCAN		RPT	RDM	DIM	TUNE
		D.SCN SCAN		RPT	RDM	DIM	PAUSE
		1	2	3	4	5	6

Front	Rear

80Hz HP

XCard

80Hz HP

24dB/octave HP

30Hz

12dB/octave HP

Crossover

Tweeter

Midrange

Crossover

80Hz HP 24dB/octave HP

Tweeter

Midrange

275Hz LP

XCard

Midbass

4Ω

80Hz 275Hz 24dB/octave HP 12dB/octave LP

80Hz LP

XCard

Woofer

8Ω

30Hz 80Hz 12dB/octave HP 12dB/octave LP

80Hz HP

12dB/octave HP

80Hz HP

XCard

Crossover	Crossover
Tweeter	Tweeter

Midrange

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Rockford Fosgate 125.2, 75.2, 55.2, 225.2 manual Way System w/Fadable Rear Stage, Tweeter

Contents

t 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 2-Channel Amplifiers Operation & Installationpunch PRACTICE SAFE SOUND TABLE OF CONTENTS G E T T I N G S T A R T E DPUNCH AMPLIFIER ACCESSORY PACK IN T R O D U C T I O NTRANSconductance Active Nodal Amplifier TECHNICAL DESIGN FEATURESTRANSANA TOPAZ Tracking Operation Pre-Amplifier ZoneDSM Discrete Surface Mount Technology XCard Internal CrossoverNOMAD NOn-Multiplying Advanced Decision MOSFET DevicesPunch EQ DESIGN FEATURES High-Pass HP LP Low-Pass LP HP Full Range FULL For Bridged Mono WiringA M P L I F I E R INSTALLATION CONSIDERATIONS Passenger Compartment Mounting MOUNTING LOCATIONTrunk Mounting Engine Compartment MountingINSULATION BATTERY AND CHARGINGWIRING THE SYSTEM Punch PunchPage USING PASSIVE CROSSOVERS Speaker Impedance TABLE OF CROSSOVER COMPONENT VALUESFreq Hertz7234 USING THE XCARD3386 = R in kΩ for .022μf capButterworth Alignment Q = RESISTOR CHARTButterworth Alignment Q = 1% resistors used with 0.047μF capsKeep grounds as short as possible INSTALLATIONPower Connections Gain for left and right channels operate independently Stereo OperationRCA inputs are connected to both left and right channels Impedance for each channel should be 2Ω minimumMono Operation SpeakerStereo/Mono Operation 12dB/octave HP 2-Way SystemSYSTEM DIAGRAMS CrossoverRear80Hz 12dB/octave LP 3-Way System80HzFront 12dB/octave HP Crossover Tweeter MidrangeAMFM 4-Way SystemDISC LD RDM RPT4-Way System w/Fadable Rear Stage Tweeterpunch ROCKFORD FOSGATE ACCESSORIESEnergy Storage Capacitors FULL XCard CrossoversCrossover Card Diagnosis TROUBLESHOOTINGSymptom RemedyRemedy SymptomDiagnosis Speaker OutputDiagnosis SymptomRemedy Engine NoiseMusic DYNAMIC POWER MEASUREMENTSAbout the Dynamic Power Measurements Listening to Loudspeakers - Not ResistorsExample of a Punch 200.2 PowerCube What is an Amplifier?Information Cubed S P E C I F I C AT I O N S Dynamic Power Rating IHF-202 Standard - Measured at 14.4 Volts80Hz adjustable .047μf PUNCHPUNCH PUNCHPUNCH 30 Volts μsWhat is Covered LIMITED WARRANTY INFORMATIONLength of Warranty What is Not CoveredN F O R M A T I O N Montaje en el Malatero INTRODUCCIONUBICACIÓN PARA EL MONTAJE Montaje en el Compartimento de PasajerosFuncionamiento Estereo/Mono Terminal GNDTerminal REM XCard en Full RangeMONTAGE InstallationINTRODUCTION Montage dans le coffreTerminal GND Opération stéréo/mono tri modeFRANÇAIS Terminal REMIm Fahrzeugkofferraum EINLEITUNGEINBAUORT Auf der BeifahrerseiteChinch Eingänge des rechten- und linken-Kanales anschlieben GND AnschluβREM Anschluβ DEUTSCHDOVE POSIZIONARLO InstallazioneINTRODUZIONE Nel BagagliaioITALIANO Terminale GND cavo negativoTerminale REM Consenso di accensione Stereo/Mono OperationNO T E S NO T E S MADE IN THE USA Rockford Fosgate