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DSM
4-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 4-Channel Accessory Pack ................................................... 3 Introduction ...................................................................................... 4 Features and Benefits ................................................................. 4 Controls and Features...................................................................... 5 Top View o
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Ω Ω Ω Ω Ω Ω 1 SPECIFICATIONS PUNCH 4040DSM PUNCH 4080DSM 1 Dynamic Power Rating (IHF-202 Standard) - Measured at 14.4 Volts Bridged into a 4 Load 115 Watts X 2 220 Watts x 2 Per channel into a 2 Load 55 Watts X 4 100 Watts x 4 Per channel into a 4 Load 35 Watts X 4 60 Watts x 4 Continuous Power Rating (IASCA Standard) RMS continuous power per channel, all channels 20 Watts 40 Watts driven into a 4 load from 20 to 20,000 Hz, with less ( @ 12.6 ( @ 13.8 than 0.05% Total Harmonic Distortion (THD
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Ω 2 PUNCH 4040DSM PUNCH 4080DSM Dimensions 9-5/8" (24.4cm) W 9-5/8" (24.4cm) W 12-5/8" (32.0cm) L 13-5/8" (34.6cm) L 2-5/8" ( 6.6cm) H 2-5/8" ( 6.6cm) H Bandwidth 15Hz to 100kHz Damping Factor @ 4 At output connector - Over 150 Frequency Response 20Hz to 20kHz ±1dB / 10Hz to 100kHz -3dB Crossover 12dB/octave with selectable high pass, low pass and full range via interchangeable Module Cards Slew Factor Over 5 IM Distortion (IHF) Less than 0.05% Input Gain Variable from 40dB to 14dB (200mV
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PUNCH 4-CHANNEL ACCESSORY PACK 12' (366cm) 17' (518cm) Blue Remote Red Power Turn-on Wire Wire 1.5' (46cm) Black Grounding Wire Power Ring Remote Turn-on Wire Terminals Connector Plug Allen Head Set Screws and Mounting Screws Fuse Holder 4080 Fuse Holder 4040 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 4040 DSM and 4080 DSM Amplifiers. We suggest you save this manual for future reference. We strongly recommend you have your Authorized Rock- ford Fosgate Dealer install your new Punch 4-channel amplifier. If you do choose to install the amplifier yourself, please be sure to read the entire manual before begin- ning. Features The Rockford Fosgate 4-Channel automotive stereo power and amplif
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Real Time Power Protection (R.T.P.P.) allows for the greatest power output under all load conditions. When output reaches an unsafe level it will be reduced, unlike current limiting which often causes premature protection or failure to protect at all. To get a better understanding of the Punch let’s take a closer look. CONTROLS AND FEATURES This section describes the various controls and features of the Punch 4040 DSM and 4080 DSM amplifiers. Top View of Amplifier and End Caps Punch The cast alu
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Mounting Four (4) custom, round, hex screws included in the acces- Screws sory pack hold the unit in place. These screws are covered when the end caps are installed. Power/REM/LED Side LED B+/GND Indicator Power Connectors Rear Speaker Front Speaker REM Output Terminals Output Terminals Connector REM The Punch 4-Channel is turned on by connecting the blue Connector remote turn-on wire to the source unit’s “Accessory” or “Auto Antenna” lead, either of which will go to +12 volts when the source u
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Input/Output Terminal Side Front Treble Front Input Front Bass Rear Treble Rear Input Rear Bass Adjustment Gain Gain Adjustment Adjustment Adjustment Control Control Control Control Control Control Front Input Rear Input 0/180° Rear Front+Rear Front/Rear Connectors Summed Pass-Thru Connectors Phase Selector Input Switch Connectors Switch Front/Rear This switch allows you to use the front input to drive both Input Switch Front and Rear channels. Switching to Rear position allows you to run separ
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Input The amplifier’s signal input, female, RCA jacks should be Connectors connected to the source unit’s signal outputs with high- quality RCA cables. The connectors have been plated in gold to eliminate the possibility of corrosion that can cause signal deterioration. Front & Rear These pass-thru connectors allow you to daisy-chain an Summed additional Punch amplifier without running an additional Pass-Thru set of RCA cables from the front of the vehicle to the rear Connectors amplifier locat
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4. Think before you drill! Be careful not to cut or drill into gas tanks, fuel lines, brake or hydraulic lines, vacuum lines or electrical wiring when working on any vehicle. 5. For safety, disconnect the battery ground cable prior to beginning the installation process. 6. Never run wires underneath the vehicle. The cleanest, safest wiring connections are made by running the wire under the carpet or behind the side panels. Never leave wires exposed. 7. Avoid running wires over or through sharp
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MOUNTING AND LOCATION The mounting location and position of the Punch 4- Channel will have a great effect on its ability to dissipate the heat generated in normal operation. The Punch 4- Channel has a heatsink designed for heat dissipation and internal shutoff circuitry to avoid overheating. It is reasonably tolerant of mounting variations. However, care should be taken to ensure adequate ventilation. Trunk The temperature inside a trunk can reach as high as 175° Mounting F (80° C) during the
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{ 2. For the Punch 4040, place the protective boot onto the wire. Insert the wire into one end of the fuse holder so that the insulation is just inside the crimp area as shown in the diagram. Crimp the wire in place with the notched portion of a crimping tool. Cover the crimped area with the protective boot that is supplied with the fuse holder. Crimp Here Protective Boot Fuse Holder 3. For the Punch 4080, place the protective boot onto the wire. Slide the wire into the wire sleeve. Making sure
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{ Wiring the 1. Strip back approximately 3/8" (1cm) of insulation. Ring and Spade Connectors 3/8" (1cm) 2. Insert the bare wire into the connector and crimp in place as shown in the following diagram: This connector is used for Crimp Here the Red Power wire and Black Ground wire. Wire w/insulation Bare Connectors Wire This connector is for the Crimp Here Blue Remote Turn-On wire. The gold B+ terminal on the amplifier must be connected Power directly to the positive (+) terminal of the battery w
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> > > INSULATION STRIP WIRE < > 5/8" AMP Ground The GND terminal grounds the amplifier and is con- nected to the chassis of the vehicle with 12 gauge, or heavier, stranded wire. When grounding, scrape paint off metal to ensure a good, clean ground connection. To prevent ground loops, we recommend you refrain from extending the ground wire beyond 18" (46cm) in any installation. Remote The Punch 4-Channel amplifiers are turned on by supply- Turn-on ing positive (+) 12 volts to the REM terminal. U
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Speakers Punch 4-Channel amplifiers are rated for safe operation into loads of 2Ω , or greater in stereo mode or 4Ω in bridged/mono configurations. The primary loads on any amplifier come from directly connected speakers without using capacitors. The measured resistance for each side should not be less than 2Ω stereo or 4Ω bridged/mono. Bridged/Mono The Punch 4-Channel amplifiers are capable of bridged/ Configuration mono configurations. This configuration enables you to: • Run amplifier as a se
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The most commonly used filter networks are 6 dB per octave systems. These are easy to construct and require a minimum number of parts. A filter network can perform one of three functions. These are highpass (capacitors), lowpass (inductors, chokes or coils) and bandpass (com- bination of a capacitor and a coil). The result, limiting the types of frequency to the speaker, is directly dependent upon the speaker’s impedance and component values. The most common filters used in speaker crossovers, a
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Table of Component Values C L 6 dB/Octave Low Pass 6 dB/Octave High Pass Freq. Speaker Impedance Hertz 2 OHMS 4 OHMS 8 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.
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Active The Punch 4-Channel amplifiers feature selectable elec- Crossover tronic crossovers. Selection is made by positioning of a Mode removable module card. These modules control the Selection output channels and can be configured in a High Pass, Low Pass or Full Range (factory default) position. The 4- Channel amplifiers are shipped with 100Hz 12dB per octave Butterworth aligned crossover modules. Addi- tional crossover frequency modules are available from your Authorized Rockford Fosgate D
