Rockford Fosgate 75.2 - Manuals

Rockford Fosgate 75.2 – Manual in PDF format online.

Manuals:

Manual

Manual Rockford Fosgate 75.2

Summary

Page 2 - PRACTICE SAFE SOUNDTM

Dear Customer, Congratulations on your purchase of the world's finest brand of car audio amplifiers.At Rockford Fosgate we are fanatics about musical reproduction at its best, and we arepleased you chose our product. Through years of engineering expertise, hand craftsman-ship and critical testing pr...

Page 3 - information on how to install this product, please turn to the; Installation; is subject to change without notice.; E T T I N G

T A B L E O F C O N T E N T S Introduction ................................................................................................ 1Punch Amplifier Accessory Pack ................................................................... 1Technical Design Features ....................................

Page 5 - (TRANSconductance Active Nodal Amplifier); TRANS•ANA; TOPAZ; MEHSA; (Maximum Efficiency Heat Sink Application)

T ECHNICAL D ESIGN F EATURES – 2 – ◆ TRANS•ANA (TRANSconductance Active Nodal Amplifier) The TRANS•ANA ( TRANS conductance A ctive N odal A mplifier) is a circuit that allows the audio signal to pass through the amplifier at low voltage. Thesignal is directly level-shifted to the fixed high voltage ...

Page 6 - The; DSM; (Discrete Surface Mount) manufacturing process combines the; Figure 1; XCard; Increased system design flexibility with a precise electronic

◆ DSM (Discrete Surface Mount) Technology The DSM (Discrete Surface Mount) manufacturing process combines the advantages of both discrete components and integrated circuitry. RockfordFosgate is the only American amplifier manufacturer to have invested millionsinto this process. DSM components differ...

Page 7 - MOSFET Devices; power supply; NOMAD; analog computer process; Punch EQ

◆ MOSFET Devices Rockford Fosgate is one of the few manufacturers in the sound communityto utilize MOSFET devices in both the power supply and the output stages . MOSFET ( M etal O xide S emiconductor F ield E ffect T ransistor) devices offer several important inherent advantages over the 30 year ol...

Page 9 - Input Sensitivity Controls –; The input level controls are preset to; Punch Equalization Controls –; The Punch EQ helps correct for; LED Power Indicator –; The LED illuminates when the unit is turned on.

7. Input Sensitivity Controls – The input level controls are preset to match the output of most source units. They can be adjusted to matchoutput levels from a variety of source units. 8. Punch Equalization Controls – The Punch EQ helps correct for acoustical deficiencies in the listening environmen...

Page 10 - For safety

I N S TA L L AT I O N C O N S I D E R AT I O N S The following is a list of tools you will need for installing the Punch amplifier:Allen wrenches 9/64" & 3/32" (included) Voltmeter Wire strippers Battery post wrench Electric hand drill w/assorted bits Wire cutters 17' (518.16cm) Red Powe...

Page 11 - Trunk Mounting; Passenger Compartment Mounting; not; Engine Compartment Mounting; Rockford Fosgate amplifiers should; never; be mounted in the engine

M O U N T I N G L O C AT I O N The mounting location and position of your amplifier will have a great effecton its ability to dissipate the heat generated during normal operation. Thedesign of our cast aluminum heatsink serves to easily dissipate the heatgenerated over a wide range of operating cond...

Page 12 - , disconnect the negative lead from the battery prior to beginning; Power

B AT T E R Y A N D C H A R G I N G – 9 – Amplifiers will put an increased load on the vehicle's battery and chargingsystem. We recommend checking your alternator and battery condition toensure that the electrical system has enough capacity to handle theincreased load of your stereo system. Stock ele...

Page 13 - Do not install the fuse at this time.

– 10 – Punch 55. 2 , 75. 2 , 125. 2 Trim the power cable to within 18" of the battery and install the protectiverubber boot, which is packed with the fuseholder, over the end of the wire.Strip 3/8" of insulation from the wire and insert into the end of thefuseholder, then crimp it in place. ...

Page 15 - fiers are not recommended for impedance loads below 2

U SING P ASSIVE C ROSSOVERS A passive crossover is a circuit that uses capacitors and/or coils and is placedon speaker leads between the amplifier and speaker. The crossover delegatesa specific range of frequencies to the speaker for optimum driver performance.A crossover network can perform one of ...

Page 16 - Speaker Impedance

T ABLE OF C ROSSOVER C OMPONENT V ALUES 6dB/Octave Low-Pass 6dB/Octave High-Pass Freq.Hertz Speaker Impedance 80 4.1mH 1000 µ F 8.2mH 500 µ F 16mH 250 µ F 100 3.1mH 800 µ F 6.2mH 400 µ F 12mH 200 µ F 130 2.4mH 600 µ F 4.7mH 300 µ F 10mH 150 µ F 200 1.6mH 400 µ F 3.3mH 200 µ F 6.8mH 100 µ F 260 1.2mH...

Page 17 - S I N G; XC; ARD; Full Range

– 14 – 3386 fo = R (in k Ω ) for .047 µ f cap = R (in k Ω ) for .022 µ f cap 7234 fo Where: R = Ω fo = desired crossover frequency c = capacitor in faradsex: .047 x 10-6 for .047 µ f cap Crossover Card High PassLow PassFull Range R1 R2 R1 R2 FULL The crossover point can be altered by changing all 4 ...

Page 18 - Our tests have shown that using 0.047; Frequency

R E S I S T O R C H A R T – 15 – Frequency R1 R2 20Hz 169k Ω 169k Ω 25Hz 133k Ω 133k Ω 30Hz 110k Ω 110k Ω 35Hz 95.3k Ω 95.3k Ω 40Hz 84.5k Ω 84.5k Ω 45Hz 75k Ω 75k Ω 50Hz 68.1k Ω 68.1k Ω 55Hz 61.9k Ω 61.9k Ω 60Hz 56.2k Ω 56.2k Ω 65Hz 52.3k Ω 52.3k Ω 70Hz 48.7k Ω 48.7k Ω 75Hz 45.3k Ω 45.3k Ω 80Hz 42.2...

Page 19 - N S TA L L AT I O N; Power Connections

– 16 – I N S TA L L AT I O N *Keep grounds as short as possible Power Connections I NSTALLAT I ON ® ® LED Connect to remote turn-on lead of source unit Connect to chassisground of vehicle* Connect to B+ of battery with appropriate fuse value Less than 18" GND B+ P55 . 2 P75 .2 P125 .2 P225. 2 - ...

Page 27 - Energy Storage Capacitors; Recommended capacitance; O C K F O R D; punch

Energy Storage Capacitors Energy storage capacitors are used to provide extra current needed byamplifiers to reproduce musical transients. The capacitors also have thenatural ability to filter AC ripple caused by the alternator, reducing the chanceof noise in the system. The Punch Caps are available...

Page 28 - XCard Crossovers; custom crossover

XCard Crossovers Additional crossover card frequencies are available for specialized require-ments. You can get the following XCards from your Authorized RockfordFosgate Dealer. ® – 25 – XM50 = 50Hz XM200 = 200Hz XM70 = 70Hz XM275 = 275Hz XM80 = 80Hz XM400 = 400Hz XM100 = 100Hz XM4.5k = 4,500Hz XM15...

Page 29 - R O U B L E S H O O T I N G; Symptom; Amplifier has no; Speakers are defective.

– 26 – T R O U B L E S H O O T I N G Amplifier does notturn on (Power LED is off) Symptom Diagnosis Remedy Voltage applied to the REMterminal of the amplifier isnot between 10.5 and15.5 volts or there is novoltage present. Voltage to the B+ terminalof the amplifier is not be-tween 10.5 and 15.5 volt...

Page 30 - Readjust input gains of amplifier.; Amplifier Noise

– 27 – S p e a k e r O u t p u tLow or Distorted Readjust input gains of amplifier. Check system with known work-ing source and repair or replaceoriginal source as needed. Check XCard position and repairor replace as necessary. Check the alternator, battery,fuse, and power and groundwiring. Repair a...

Page 31 - Engine Noise; • If noise persists, see your Authorized Rockford Fosgate Dealer.

– 28 – Noise is radiating into RCAsignal cable. Bad component in the sig-nal chain. N o i s e i s r a d i a t i n g i n t ospeaker cables. Multiple grounds in theaudio system. Ground loop between sourceunit and antenna. Engine Noise Symptom Diagnosis Remedy Check connections, run theRCA cables on a ...

Page 32 - About the Dynamic Power Measurements; unusable. Many manufacturers represent their amplifiers' output; Listening to Loudspeakers - Not Resistors

– 29 – D Y N A M I C P O W E R M E A S U R E M E N T S About the Dynamic Power Measurements The Audio Graph PowerCube is a test instrument used to measure the output ofan amplifier in accordance with IHF-202 industry standards. The IHF-202standard is a dynamic power measurement and was developed as ...

Page 33 - What is an Amplifier?; • Example of a Punch 200.

Information Cubed The data acquired in the testing procedure is then graphed in the form of a3-dimensional cube, hence the name PowerCube . The Phase Angle is expressed on the horizontal axis, the Output Voltage is presented on the vertical axis and the Impedance is displayed on the Z axis. Output P...

Page 34 - PECIFICA

– 31 – PUNCH 55. 2 PUNCH 75.2 PUNCH 125. 2 PUNCH 225. 2 Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4 Volts Mono into a 4 Ω Load 240 Watts 320 Watts 440 Watts 690 Watts Per channel into a 2 Ω Load 120 Watts 160 Watts 220 Watts 345 Watts Per channel into a 4 Ω Load 85 Watts 105 Watts 145...

Page 36 - years on electronics

L IMITED W A R R A N T Y I N F O R M A T I O N – 33 – Ship to: Speakers Rockford Acoustic Design(Receiving-speakers)609 Myrtle N.W.Grand Rapids, MI 49504RA#:_________________ Ship to: Electronics Rockford CorporationWarranty Repair Department2055 E. 5th StreetTempe, AZ 85281RA#:_________________ Roc...

Page 38 - Instalacion; BICACIÓN; para; NTRODUCCION

LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIONES DE INSTALACION DELPRODUCTO. EVITARA POSIBLES DAÑOS A VD., AL VEHICULO O AL PRODUCTO. Montaje en el Malatero Monte el amplificador verticalmente con las lineas del radiador orientadas dearriba hacia abajo. De esta manera conseguira la mejor ventilacion. ...

Page 40 - NTRODUCTION; Montage dans le coffre

ATTENTION: Veuillez lire les instructions suivantes pour l'installation de cetamplifcateur. Ne pas les suivre pourrait causer des blessures ou endommager levéhicule. Les ingénieurs de Rockford Fosgate ont conçu l'amplificateur Punch. 2 pour supporter l'environnement rude de l'automobile en délivrant...

Page 41 - RANÇAIS

Terminal GND Préparez une longueur de câble pour la connexion à la masse. Préparez le châssisen grattant la peinture de la surface métallique et nettoyez la saleté et l'huile. Attachezle câble au châssis avec une vis. Terminal REM Connectez le fil REM à une commande 12 volts positive de la source. L...

Page 42 - Einbau; INBAUORT

BITTE LESEN SIE DIESE GEBRAUCHSANLEITUNG ZUERST SORGFÄLTIG DURCH.DAS KANN SIE VOR DEM FALSCHEN EINSATZ, AUSFALLEN ODER SOGARBESCHÄDIGUNG DES PRODUKTES ODER IHRES FAHRZEUGES SCHÜTZEN. Im Fahrzeugkofferraum Der vertikale Einbau der Endstufen, das bedeutet, dab die Kühlrippen von obennach unten verlauf...

Page 43 - EUTSCH

GND Anschlu β Preparieren Sie Ihr Kabel für die Negativ Leitung (Erdung). Preparieren Siedie Anschlubstelle des Erdungskabels, indem Sie das Metall gründlichreinigen und vom Lack befreien. Befestigen Sie nun die Erdung an dieserStelle mit einer Schraube. REM Anschlu β Verbinden Sie das Ein-und Aussc...

Page 44 - NTRODUZIONE; Nel Bagagliaio; Installazione; OVE

ATTENZIONE: SI PREGA DI LEGGERE LE SEGUENTI ISTRUZIONI PER L'INSTALLAZIONEDI QUESTO PRODOTTO. IL NON SEGUIRLE POTREBBE RISULTARE SERIAMENTEDANNOSO PER LA PERSONA O PER IL VEICOLO. Gli ingenieri Rockford hanno progettato la serie di amplificatori Punch. 2 per resistere all'ostico ambiente automobilis...

Page 45 - TALIANO

Terminale GND (cavo negativo) Decidere la lunghezza del cavo e terminarlo. Preparare la massa grattandola vernice dal telaio dell'auto ed eliminando tracce di olio o sporco. Fissareil cavo di massa al telaio con una vite. Terminale REM (Consenso di accensione) Collegare il cavo REM ad un positivo pr...

Page 46 - O T E S

Page 48 - MADE IN THE USA; Rockford Fosgate

10/97MAN-1849-A MADE IN THE USA This product is designed, developed and assembled in the USA by a dedicated group of American workers. The majority of the components used in the construction of this product are produced by American companies. However, due to the global nature of their manufacturing ...