Rockford Fosgate Punch 100.2 User Manual

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2-Channel Amplifiers
Operation & Installation
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Rockford Fosgate Punch 100.2 Specifications

General

Channels	2
RMS Power (4 Ohms)	50W x 2
RMS Power (2 Ohms)	100W x 2
Bridged RMS Power (4 Ohms)	200W x 1
Frequency Response	20 Hz - 20 kHz
Total Harmonic Distortion (THD)	<0.05%
Signal-to-Noise Ratio	> 100 dB
Fuse Rating	25A
Crossover	50Hz - 250Hz, 12dB/octave
Bass Boost	0-18dB @ 45Hz

Summary

Introduction

Technical Design Features

TRANS ANA

Circuit for low voltage audio signal processing, enhancing clarity.

TOPAZ

Ground loop noise reduction circuit for automotive systems.

DSM (Discrete Surface Mount) Technology

Manufacturing process combining discrete components and ICs for compactness and efficiency.

XCard (Internal Crossover)

Internal active crossover for flexible frequency adjustments.

MOSFET Devices

Semiconductor technology used for improved thermal stability and linearity.

NOMAD (Non-Multiplying Advanced Decision)

Analog computer process for output power protection under all conditions.

Punch EQ

Equalization controls for correcting acoustical deficiencies in listening environments.

Design Features

Cast Aluminum Heatsink

Dissipates amplifier heat, offering improved cooling over extrusion designs.

End Caps

Conceal wiring and input cables for a clean look.

Speaker Terminals

Gold-plated block connectors accepting 8-18 AWG wire for corrosion resistance.

Power Terminals

Gold-plated connectors accommodating up to 8 AWG wire for maximum current capability.

REM Terminal

Gold-plated spade terminal for auto power/remote turn-on.

RCA Input Jacks

Standard gold-plated jacks for easy signal level input connections.

Input Sensitivity Controls

Input level controls preset or adjustable to match source unit outputs.

Punch Equalization Controls

Bass and treble controls to correct listening environment deficiencies.

LED Power Indicator

LED that illuminates when the unit is turned on.

XCard (Internal Crossover)

Built-in crossover card configurable for multiple operating frequencies.

Installation Considerations

Tools Required for Installation

Lists essential tools for installing the Punch amplifier.

Mounting Location

Discusses optimal placement for heat dissipation and performance.

Battery and Charging

Addresses the amplifier's load on the vehicle's electrical system.

Wiring the System

Provides guidance on routing wires and making connections safely.

Using Passive Crossovers

Explains passive crossover networks and their application.

Using the XCard

Details how to configure and use the internal XCard for crossover functions.

Installation

Power Connections

Illustrates how to connect power to the amplifier.

Stereo Operation

Diagram showing stereo wiring configuration and key parameters.

Mono Operation

Diagram showing mono wiring configuration and key parameters.

Stereo/Mono Operation

Diagram for combined stereo/mono, including passive crossovers.

System Diagrams

2-Way System

Wiring diagram for a 2-way speaker system setup.

3-Way System

Wiring diagram for a 3-way speaker system setup.

4-Way System

Wiring diagram for a 4-way speaker system setup.

4-Way System w/Fadable Rear Stage

Wiring diagram for a 4-way system with a fadable rear stage.

Rockford Fosgate Accessories

Energy Storage Capacitors

Explains the use and benefits of energy storage capacitors.

XCard Crossovers

Lists available XCard frequencies for specialized crossover requirements.

Troubleshooting

Amplifier does not turn on

Diagnosis and remedies for issues with the amplifier not powering on.

Amplifier has no sound

Diagnosis and remedies when the amplifier produces no sound.

Speaker Output Low or Distorted

Diagnosis and remedies for low or distorted speaker output.

Amplifier Noise (Turn-on Pop)

Diagnosis and remedies for turn-on pop noise from the amplifier.

Engine Noise

Diagnosis and remedies for engine noise issues in the audio system.

Dynamic Power Measurements

About the Dynamic Power Measurements

Explanation of IHF-202 industry standards for dynamic power measurement.

Music

How music's dynamic nature affects amplifier power measurement.

Listening to Loudspeakers - Not Resistors

Explains why speaker load differs from resistor load for measurement.

Information Cubed

Describes the 3D "PowerCube" graph for presenting test data.

What is an Amplifier?

Defines an amplifier's function and ideal performance characteristics.

Specifications

Limited Warranty Information

Length of Warranty

Details warranty periods for electronics, source units, and speakers.

What is Covered

Specifies warranty coverage for products sold through authorized dealers.

Who is Covered

Defines who is covered by the warranty and required documentation.

What is Not Covered

Lists exclusions from warranty coverage, such as damage or misuse.

Limit on Implied Warranties

Explains limitations on implied warranties like fitness for use.

How to Obtain Service

Provides instructions on obtaining service and return authorization.

International Information