Rockford Fosgate 55.2, 75.2, 125.2, 225.2 manual Troubleshooting, Symptom Diagnosis Remedy

Page 29

TROUBLESHOOTING

TROUBLE-S H O O T

I N G

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. If the voltage is

 

15.5 volts or there is no

above 15.5 volts, have the elec-

 

voltage present.

trical system inspected by an

 

 

authorized car service center.

 

 

 

 

Voltage to the B+ terminal

Check the alternator, battery,

 

of the amplifier is not be-

fuse, and wiring and repair as

 

tween 10.5 and 15.5 volts

necessary. If the voltage is

 

or there is no voltage

above 15.5 volts, have the elec-

 

present.

trical system inspected by an

 

 

authorized car service center.

 

 

 

 

Amplifier is not properly

Check wiring and repair as nec-

 

grounded.

essary.

 

 

 

Amplifier has no

RCA Input from source unit

Check connections, substitute

sound

is not connected or not

with known working source and

functioning properly.

cables and repair or replace as

(Power LED is on)

 

necessary.

 

 

 

 

 

 

XCard is missing or not

Check XCard position and re-

 

placed properly in cross-

pair or replace as necessary.

 

over slots.

 

 

 

 

 

Speaker leads are shorted

Disconnect existing speakers

 

to each other or to the chas-

and test with known working

 

sis of the vehicle.

speakers and wires. If amplifier

 

 

plays, check and repair wiring

 

 

and installation of speakers as

 

 

necessary.

 

 

 

 

Speakers are defective.

Disconnect existing speakers

 

 

and test with known working

 

 

speakers. If amplifier plays,

 

 

check and repair speakers as

 

 

necessary.

 

 

 

– 26 –

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Contents Punch Practice Safe Sound T T I N G S T a R T E D Table of ContentsT R O D U C T I O N Punch Amplifier Accessory PackTransana Technical Design FeaturesDSM Discrete Surface Mount Technology Mosfet Devices Design Features P L I F I E R Installation Considerations Trunk Mounting Mounting LocationPassenger Compartment Mounting Engine Compartment MountingWiring the System Battery and ChargingPunch Punch 55.2, 75.2Page Using Passive Crossovers Ohms Table of Crossover Component Values7234 = R in kΩ for .022μf cap Using the Xcard3386 Butterworth Alignment Q = Resistor ChartPower Connections InstallationStereo Operation Mono Operation Stereo/Mono Operation System Diagrams Way System Way System 80Hz HP 12dB/octave HP Way System w/Fadable Rear StageEnergy Storage Capacitors Rockford Fosgate AccessoriesXCard Crossovers Symptom Diagnosis Remedy TroubleshootingSpeaker Output Engine Noise SymptomAbout the Dynamic Power Measurements Dynamic Power MeasurementsMusic Listening to Loudspeakers Not ResistorsInformation Cubed What is an Amplifier?E C I F I C AT I O N S Dimensions 95/8 24.4cm W Length of Warranty Limited Warranty InformationPage Montaje en el Compartimento de Pasajeros Montaje en el MalateroInstalacion Terminal B+Terminal REM Terminal GNDFuncionamiento Estereo/Mono No llevar a masa ningun cable de altavozMontage dans lhabitacle InstallationMontage dans le coffre Français Opération stéréo/mono tri modeAuf der Beifahrerseite Im FahrzeugkofferraumEinbau + AnschluβREM Anschluβ GND AnschluβNel Bagagliaio InstallazioneNellabitacolo Terminale B+ cavo positivoTerminale REM Consenso di accensione Terminale GND cavo negativoNo T E S No T E S Made in the USA

225.2, 125.2, 55.2, 75.2 specifications

Rockford Fosgate has long been recognized for delivering high-quality audio solutions for car enthusiasts, and the 225.2, 125.2, 55.2, and 75.2 amplifiers are no exception. These amplifiers cater to various audio needs, whether you are looking to enhance the sound quality in your vehicle or set up a full-fledged audio system.

The Rockford Fosgate 225.2 is a powerful two-channel amplifier that offers a maximum power output of 225 watts. It features a MOSFET power supply, providing excellent efficiency and reliability under load. The 225.2 also includes a low-pass filter and built-in crossover, enabling users to tailor the sound to fit specific audio preferences by adjusting the frequency response. Its sleek design and durable construction ensure it can withstand the demands of a mobile environment.

Meanwhile, the 125.2 amplifier is designed for those who want a compact yet powerful audio solution. This two-channel amplifier delivers 125 watts of peak power and incorporates advanced technologies such as a high-level input, allowing for easy integration into factory systems. The 125.2 also features adjustable bass boost to enhance low-frequency performance, making it an attractive choice for those who enjoy bass-heavy music genres.

On the other hand, the Rockford Fosgate 55.2 amplifier is a more compact offering. Despite its smaller size, it provides impressive sound quality and power output of 55 watts per channel. Ideal for adding an extra punch to factory speakers, the 55.2 utilizes a low-impedance design to maximize efficiency. It is particularly well-suited for entry-level audio systems, making it accessible for those just starting in car audio.

Lastly, the 75.2 amplifier strikes a balance between size, power, and versatility, delivering 75 watts per channel. With features like thermal and overload protection, the 75.2 ensures both safety and performance under stress. The compact form factor makes it easy to install in various vehicle models without sacrificing audio quality.

All of these amplifiers showcase Rockford Fosgate's commitment to sound quality, durability, and user-friendly design. Each model incorporates technologies that enhance performance while offering flexibility for customization, making them excellent choices for car audio enthusiasts looking to elevate their listening experience. Whether you need a compact solution for upgraded sound or a powerhouse for a full system, Rockford Fosgate has options that cater to every need.
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