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DSM
2-CHANNEL AMPLIFIER
OWNER'S MANUAL
® ®
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Dear Customer, Congratulations on your purchase of the world's finest brand of car audio amplifiers. At Rockford Fosgate we are committed to musical reproduction at its best, and we are pleased you chose our product. Through years of engineer- ing expertise, hand craftsmanship and critical testing procedures, we have created a wide range of products that reproduce music with all the clarity and richness you deserve. For maximum performance we recommend you have your new Rockford Fosgate product
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TABLE OF CONTENTS Specifications ................................................................................... 1 Punch Accessory Pack .................................................................... 3 Introduction ...................................................................................... 4 Notes on Internal Circuitry ........................................................... 4 Controls and Features...................................................................... 6 Top
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Ω Ω Ω Ω Ω Ω 1 SPECIFICATIONS PUNCH 40DSM PUNCH 60DSM PUNCH 100DSM PUNCH 200DSM 1 Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4 Volts Mono into a 4 Load 160 Watts 260 Watts 420 Watts 500 Watts Per channel into a 2 Load 75 Watts 130 Watts 200 Watts 240 Watts Per channel into a 4 Load 40 Watts 80 Watts 110 Watts 150 Watts Continuous Power Rating (IASCA Standard) - Measured at 11.6 Battery Volts RMS continuous power per channel, both channels driven into a 4 load 20 Watts 30 Watts
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Ω 2 PUNCH 40DSM PUNCH 60DSM PUNCH 100DSM PUNCH 200DSM Dimensions 9-5/8" (24.4cm) W 9-5/8" (24.4cm) W 9-5/8" (24.4cm) W 9-5/8" (24.4cm) W 9-5/8" (24.4cm) L 10-5/8" (27.0cm) L 11-5/8" (29.5cm) L 12-5/8" (32.0cm) L 2-5/8" ( 6.6cm) H 2-5/8" ( 6.6cm) H 2-5/8" ( 6.6cm) H 2-5/8" ( 6.6cm) H Bandwidth 15Hz to 100kHz ±3dB Damping Factor @ 4 At output connector - Over 200 Frequency Response 20Hz to 20kHz ±1.0dB / 10Hz to 100kHz ±3dB Slew Factor Over 5 IM Distortion (IHF) Less than 0.05% Input Gai
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PUNCH ACCESSORY PACK 12' (365.76cm) 17' Blue Remote (518.16cm) Turn-on Wire Red Power Wire 1.5' (45.72cm) Black Grounding Wire Power Ring Remote Turn-on Wire Terminals Connector Plug Hex Head and Mounting Screws Power Fuse Holder Power Fuse Holder with Fuse for Punch with fuse for Punch 200 40, 60, and 100 Punch Punch Owner's Verification Manual Certificate 3
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INTRODUCTION This manual provides information on the features, instal- lation, and operation of the Punch 2-channel Amplifiers. We suggest you save this manual for future reference. We strongly recommend you have your Authorized Rock- ford Fosgate Dealer and Service Center install the new Punch amplifier. If you do choose to install the amplifier yourself, please be sure to read the entire manual before beginning. Notes on The Rockford Punch 40DSM, 60DSM, 100DSM and Internal 200DSM automotive s
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High powered audio amplifiers must always address the problem of power device reliability. In particular, load fault conditions can easily destroy an amplifier that is not carefully designed. Rockford Fosgate has answered this problem with the development of Real Time Power Pro- tection (RTPP). The RTPP circuits protect the Punch amplifiers by multi- plying output device voltage and current values to obtain approximate instantaneous device power. This instanta- neous power calculation is then
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CONTROLS AND FEATURES This section describes the various controls and features of the Punch amplifiers. Top View of Amplifier and End Caps Punch The cast aluminum heatsink of the Punch is designed for Housing high performance cooling. The raised design of the hous- ing allows cables and wires to run underneath the unit. This provides for greater wiring flexibility and protects the cables from damage caused by excessive heat and bend- ing. End Caps Interchangeable end caps conceal the wiring and
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Front View of Power Side REM LED B+/GND Connector Indicator Connector The Punch is turned on by connecting the blue remote REM turn-on wire to the source unit’s “Accessory” or “Auto Connector Antenna” lead, either of which will go to +12 volts when the source unit is turned on. LED Power The LED illuminates red when the unit is turned on. Indicator B+/GND These connectors are used to supply power and ground Power to the amplifier and accept 12 AWG - 8 AWG wires.* Connector *Rockford Fosgate's Pe
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Front View of Input/Output Terminals Treble Left Input Right Input Bass Adjust Gain Control Gain Control Adjust Left Speaker RCA Input Right Speaker Output Connectors Output Speaker These gold plated terminal blocks connect the Right and Output Left channel outputs to the speakers and accept wire Terminals sizes from 8 gauge through 18 gauge. Gold plated con- nectors are immune to corrosion that can cause signal deterioration. Treble / These controls adjust the amount of treble and bass Bass res
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INSTALLATION CONSIDERATIONS This section focuses on some of the vehicle consider- ations for installing your new Punch amplifier. Checking your battery and current sound system, as well as pre- planning your system layout and best wiring routes will save installation time. When deciding how to lay out your new system, be sure that each component will be easily accessible for making adjustments. Before beginning any installation, be sure to follow these simple rules: 1. Carefully read and under
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connected to metal that is welded to the main body, or chassis, of the vehicle. The following is a list of tools you will need for installing Tools the Punch amplifier: Needed Allen Wrenches (7/64" & 3/32") Wire Strippers Battery Post Wrench Electric Hand Drill with assorted bits Voltmeter Wire Crimpers (i.e., Perfect Interface RT-KT1) BATTERY AND CHARGING Punch amplifiers will naturally put an extra load on your battery and charging system. We recommend you check your alternator capacity to in
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{ Passenger Under the seat or floor mounting will work as long as there Compart- is a minimum of 1” (2.5cm) of air gap above the amplifer's ment heatsink. Mounting Vertical mounting is still the best, and under dash mount- ing is satisfactory as well. WIRING THE PUNCH Caution! Be sure to avoid running the power wires near the input cabling antenna, power leads, sensi- tive equipment or harnesses. The power wires carry substantial currents and can induce noise. The following instructions explain
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{ 4. Cover the crimped area with the protective boot that is supplied with the fuse holder. 5. Repeat the above steps to connect the remainder of the red power wire to the other side of the fuse holder and route to the amplifier mounting location. Wiring the Power Connectors 1. Strip back approximately 3/8" (.95cm) of wire. 3/8" (.95cm) 2. Insert the bared wire into the connector and crimp in place as shown in the following diagram. Crimp Here Wire w/insulation Bare Connectors Wire Crimp Here Po
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Ground The GND terminal grounds the amplifier and is connected to the chassis of the vehicle with 12 gauge, or heavier, stranded wire. To prevent ground loops, we recommend you refrain from extending the ground wire beyond 18" (45.72cm) in any installation. The ends of the Power and Ground wires that are connected to the amplifier should be stripped back 5/8” (1.59cm). Remote The Punch amplifiers are turned on by supplying positive Turn-on (+) 12 volts to the REM terminal. Usually the terminal
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Mono The Punch amplifiers are capable of bridged mono Configura- configurations. This configuration enables you to: tion • Run a single woofer in a stereo system • Run two bridged amplifiers as a high power stereo system • Run one amplifier with a bridged mono woofer and another as a high-frequency stereo amp, etc. For more information refer to the wiring diagrams begin- ning on page 17. Caution! Punch amplifiers are not recommended for impedance loads below 2Ω stereo or 4Ω bridged. Be sure to
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High and low pass filter sections have a cutoff rate that increases as the number of components in the filter increases. This means that a complex filter with a number of parts will stop the unwanted frequencies faster than a simple filter. The amount of reduction is measured in dB per octave. The most common filters used in speaker crossovers, as stated above, are 6 dB per octave which uses one component per filter. Placing this filter in series with the circuit will reduce power to the speak
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C L 6 dB/Octave Low Pass 6 dB/Octave High Pass Freq. Speaker Impedance Hertz 2 OHMS 8 OHMS 4 OHMS L C L C L C 80 4.1mH 1000µ F 8.2mH 500µ F 16mH 250µ F 100 3.1mH 800µ F 6.2mH 400µ F 12mH 200µ F 130 2.4mH 600µ F 4.7mH 300µ F 10mH 150µ F 200 1.6mH 400µ F 3.3mH 200µ F 6.8mH 100µ F 260 1.2mH 300µ F 2.4mH 150µ F 4.7mH 75µ F 400 .8mH 200µ F 1.6mH 100µ F 3.3mH 50µ F 600 .5mH 136µ F 1.0mH 68µ F 2.0mH 33µ F 800 .41mH 100µ F .82mH 50µ F 1.6mH 26µ F 1000 .31mH 78µ F .62mH 39µ F 1.2mH 20µ F 1200 .25mH 66µ F
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SAMPLE WIRING DIAGRAMS BRIDGED WOOFERS L +OUT– TREBLE GAIN IN IN GAIN BASS +OUT– R SOURCE UNIT – + + – 8 OHM 8 OHM 17 B+ GND
