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Rockford Fosgate PUNCH 100.2 Operation & Installation

2-channel amplifiers
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Summary of Contents for Rockford Fosgate PUNCH 100.2

  • Page 1 ® ® c a r a u d i o 2-Channel Amplifiers Operation & Installation ®...

  • Page 2: Practice Safe Sound

    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 are pleased you chose our product. Through years of engineering expertise, hand craftsman- ship and critical testing procedures, we have created a wide range of products that reproduce music with all the clarity and richness you deserve.

  • Page 3: Table Of Contents

    Section of this manual or refer to the icons listed below. Other information can be located by using the Table of Contents. We, at Rockford Fosgate, have worked very hard to make sure all the information in this manual is current. But, as we are constantly finding new ways to improve our product, this information is subject to change without notice.

  • Page 4: Introduction

    N T R O D U C T I O N Rockford engineers designed the Punch 100.2 and Punch 120.2 amplifiers to withstand the rugged automotive environment while delivering superior sound quality in a flexible, reliable, and efficient package. TRANS•ANA is a low voltage circuit in the preamp stage of all Punch .

  • Page 5: Technical Design Features

    ECHNICAL ESIGN EATURES TRANS•ANA (TRANSconductance Active Nodal Amplifier) The TRANS•ANA (TRANSconductance Active Nodal Amplifier) is a circuit that allows the audio signal to pass through the amplifier at low voltage. The signal is directly level-shifted to the fixed high voltage rails via a pair of driver transistors.
  • Page 6 Surface Mount High Level Inputs The high level inputs on the Rockford Fosgate amplifiers convert the speaker line outputs (high level) to preamp line inputs (low level). This allows amplifier compatibility with a variety of source units as well as the ability to integrate into factory systems without the need for external adapters.

  • Page 7: Mosfet Devices

    MOSFET Devices Rockford Fosgate is one of the few manufacturers in the sound community to utilize MOSFET devices in both the power supply and the output stages . MOSFET (Metal Oxide Semiconductor Field Effect Transistor) devices offer several important inherent advantages over the 30 year old technology of bi- polar design.

  • Page 8: Design Features

    ESIGN EATURES Punch 100.2 HP–Full–LP +6dB Gain Left 80Hz Right +12dB Input Crossover Input High Level Punch – – Input Bass Left Right Output Output Punch 120.2 18dB HP–Full–LP 80Hz Left Right Punch Gain Crossover Input Input Bass High Level –...
  • Page 9 6. High Level Inputs – The high level inputs use a detachable connector terminated with 20 AWG leads. These inputs should be used if the source unit has only speaker line (high level) outputs and not RCA outputs. 7. Gain Control – The input gain control is preset to match the output of most source units.

  • Page 10: Installation Considerations

    NSTALLATION ONSIDERATIONS 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 Power Wire Assorted connectors 12' (365.76cm) Remote Turn-On Wire Wire crimpers...

  • Page 11: Mounting Location

    Engine Compartment Mounting Rockford Fosgate amplifiers should never be mounted in the engine compartment. Not only will this void your warranty but could create an embarrassing situation caused by the ridicule from your friends.

  • Page 12: Battery And Charging

    Rockford amplifier without problems, although battery and alternator life can be reduced slightly. To maximize the performance of your Rockford Fosgate amplifier, we suggest the use of a heavy duty battery and an energy storage capacitor.
  • Page 13 3. Strip 1/2" from the battery end of the power cable and crimp a large ring terminal to the cable. Use the ring terminal to connect to the battery positive terminal. Do not install the fuse at this time. 4. Prepare the Ground cable for attachment to the amplifier by stripping 1/ 2"...

  • Page 14: Using Passive Crossovers

    SING ASSIVE ROSSOVERS A passive crossover is a circuit that uses capacitors and/or coils and is placed on speaker leads between the amplifier and speaker. The crossover delegates a specific range of frequencies to the speaker for optimum driver performance. A crossover network can perform one of three functions: High-Pass (capaci- tors), Low-Pass (inductors or coils) and Bandpass (combination of capacitor and coil).
  • Page 15 68 H 4.7 F .15mH 2.2 F 12000 25 H 6.6 F 51 H 3.3 F 100 H 1.6 F L = Low-Pass (Inductor) C = High-Pass (Capacitor) For more information, see your Authorized Rockford Fosgate Dealer. – 12 –...

  • Page 16: Installation

    ® ® NSTALLATION Power Connections HP–Full–LP +6dB Gain 80Hz Left Right +12dB Crossover Input Input High Level Punch – – Input Bass Left Right Output Output Connect to remote Connect to chassis turn-on lead of ground of vehicle* source unit Less than 18"...

  • Page 17: Mono Operation

    ® ® Mono Operation R C A I n p u t HP–Full–LP +6dB Left Gain 80Hz Right +12dB Input Crossover Input High Level Punch – – Input Bass Left Right Output Output – 4 min. • RCA inputs are connected to both left and right channels •...

  • Page 18: System Diagrams

    Y S T E M I A G R A M S 2-Way System CLOCK AUTO ILLUM DISC DSPL P.SCN LOUD AM FM LD RDM TUNE D.SCN SCAN PAUSE ® ® Crossover Crossover Tweeter Tweeter Midrange Midrange – 15 –...
  • Page 19 3-Way System CLOCK AUTO ILLUM DISC DSPL P.SCN LOUD AM FM LD RDM TUNE D.SCN SCAN PAUSE ® ® Front Rear 80Hz 80Hz 12dB/octave HP 12dB/octave LP HP–Full–LP HP–Full–LP 80Hz 80Hz Crosover Crosover Crossover Crossover Woofer Tweeter Tweeter Woofer Midrange Midrange –...
  • Page 20 4-Way System CLOCK AUTO ILLUM DISC DSPL P.SCN LOUD AM FM LD RDM TUNE D.SCN SCAN PAUSE ® ® Front ® ® HP–Full–LP 80Hz Crossover 80Hz HP 12dB/octave HP Crossover Crossover 80Hz HP 24dB/octave HP Tweeter Tweeter Midrange Midrange HP–Full–LP 80Hz Crossover Midbass...
  • Page 21 4-Way System w/Fadable Rear Stage CLOCK AUTO ILLUM DISC DSPL P.SCN LOUD AM FM LD RDM TUNE SCAN PAUSE D.SCN ® ® Front Rear ® ® HP–Full–LP 80Hz Crossover 80Hz HP 12dB/octave HP Crossover Crossover 80Hz HP Tweeter 24dB/octave HP Tweeter Midrange Midrange...
  • Page 22 R O U B L E S H O O T I N G TROUBLE-S Symptom Diagnosis Remedy Amplifier does not Voltage applied to the REM Check the alternator, battery, turn on terminal of the amplifier is fuse, and wiring and repair as (Power LED is off) not between 10.5 and necessary.
  • Page 23 TROUBLE-S Symptom Diagnosis Remedy Speaker Output Input gain signal for amplifier Readjust input gains of amplifier. Low or Distorted is incorrectly set. Source unit output too low or Check system with known work- source unit has no output. ing source and repair or replace original source as needed.
  • Page 24 Ground loop between source Check connections, disconnect unit and antenna. antenna from source unit. If noise is gone, install an an- tenna ground loop isolator. • If noise persists, see your Authorized Rockford Fosgate Dealer. – 21 –...

  • Page 25: Dynamic Power Measurements

    Real World operation of an amplifier. Many manufacturers, including Rockford Fosgate, at times will measure amplifier power into a fixed resistor (4 ohm, 2 ohm). While this method is useful in some types of evaluation and testing, it is not representative of an amplifier that is connected to a speaker and playing music.
  • Page 26 Information Cubed The data acquired in the testing procedure is then graphed in the form of a 3-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 Power, in watts, is listed on the left hand side for each impedance at each phase angle.
  • Page 27 – 24 –...
  • Page 28 – 25 –...
  • Page 29 This warranty covers only the original purchaser of Rockford product purchased from an Authorized Rockford Fosgate Dealer in the United States. In order to receive service, the purchaser must provide Rockford with a copy of the receipt stating the customer name, dealer name, product purchased and date of purchase.
  • Page 30 – 27 –...
  • Page 31 LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIONES DE INSTALACION DEL PRODUCTO. EVITARA POSIBLES DAÑOS A VD., AL VEHICULO O AL PRODUCTO. NTRODUCCION Los ingenieros de Rockford han diseñado los amplificadores Punch. para ofrecer en el dificil entorno de un automóvil una calidad de sonido superior en un producto flexible, fiable y eficiente.
  • Page 32 Terminal GND Prepare un trozo de cable para usarlo como toma de masa. Prepare un punto de masa en el chasis rascando y eliminando la pintura de la superficie de metal y limpielo de toda suciedad asegure el cable al chasis con un tornillo.
  • Page 33 Ne pas les suivre pourrait causer des blessures ou endommager le véhicule. NTRODUCTION Les ingénieurs de Rockford Fosgate ont conçu l'amplificateur Punch. pour supporter l'environnement rude de l'automobile en délivrant une qualité de son supérieure dans un ensemble efficace, fiable et flexible. Trans• ana est un circuit de bas voltage dans l'étage de préamplification de tous les ampificateurs...
  • Page 34 Terminal GND Préparez une longueur de câble pour la connexion à la masse. Préparez le châssis en grattant la peinture de la surface métallique et nettoyez la saleté et l'huile. Attachez le câble au châssis avec une vis. Terminal REM Connectez le fil REM à...
  • Page 35 BITTE LESEN SIE DIESE GEBRAUCHSANLEITUNG ZUERST SORGFÄLTIG DURCH. DAS KANN SIE VOR DEM FALSCHEN EINSATZ, AUSFALLEN ODER SOGAR BESCHÄDIGUNG DES PRODUKTES ODER IHRES FAHRZEUGES SCHÜTZEN. INLEITUNG Rockford Ingenieure haben die Punch. Verstärker entwickelt. Mit höchstem Technologie-Standart, hervorragender Klangqualität, einfacher Handhabung und bester Servicefreundlichkeit Trans•...
  • Page 36 GND Anschlu Preparieren Sie Ihr Kabel für die Negativ Leitung (Erdung). Preparieren Sie die Anschlubstelle des Erdungskabels, indem Sie das Metall gründlich reinigen und vom Lack befreien. Befestigen Sie nun die Erdung an dieser Stelle mit einer Schraube. REM Anschlu Verbinden Sie das Ein-und Ausschaltungskontroll-Kabel mit Ihrem Radio (12 Volt positiv).
  • Page 37 ATTENZIONE: SI PREGA DI LEGGERE LE SEGUENTI ISTRUZIONI PER L'INSTALLAZIONE DI QUESTO PRODOTTO. IL NON SEGUIRLE POTREBBE RISULTARE SERIAMENTE DANNOSO PER LA PERSONA O PER IL VEICOLO. NTRODUZIONE Gli ingenieri Rockford hanno progettato la serie di amplificatori Punch. resistere all'ostico ambiente automobilistico mentre suonano con una musicalitá superiore, offrendo un insieme versatile, affidabile ed efficiente.
  • Page 38 Terminale GND (cavo negativo) Decidere la lunghezza del cavo e terminarlo. Preparare la massa grattando la vernice dal telaio dell'auto ed eliminando tracce di olio o sporco. Fissare il cavo di massa al telaio con una vite. Terminale REM (Consenso di accensione) Collegare il cavo REM ad un positivo presente solo ad autoradio accesa (normalmente il cavo pilota dell'antenna elettrica o il cavo accessori dell'autoradio).
  • Page 39 American companies. However, due to the global nature of their manufacturing facilities and the loudspeaker parts industry in general, some parts may be manufactured in other countries. Rockford Fosgate Rockford Corporation 546 South Rockford Drive Tempe, Arizona 85281 U.S.A.

This manual is also suitable for:

Punch 120.2

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