Rockford Fosgate Prime R250-4 Installation & Operation Manual Download Page 2

2

Dear Customer,

Congratulations on your purchase of the world’s finest brand of car audio 
amplifiers. At Rockford Fosgate we are fanatics about musical reproduc-
tion at its best, and we are pleased you chose our product. Through 
years of engineering 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 installed by an Authorized Rockford Fosgate Dealer, 
as we provide specialized training through Rockford Technical Training 
Institute (RTTI). Please read your warranty and retain your receipt and 
original carton for possible future use.

Great product and competent installations are only a piece of the puzzle 
when it comes to your system. Make sure that your installer is using 
100% authentic installation accessories from Rockford Fosgate in your 
installation. Rockford Fosgate has everything from RCA cables and 
speaker wire to power wire and battery connectors. Insist on it! After all, 
your new system deserves nothing but the best.

To add the finishing touch to your new Rockford Fosgate image order 
your Rockford accessories, which include everything from T-shirts to 
jackets.

Visit our web site for the latest information on all Rockford products

www.rockfordfosgate.com  

or, in the U.S. call 1-800-669-9899 or FAX 1-800-398-3985. For all other 
countries, call +001-480-967-3565 or FAX +001-480-966-3983.

Table of Content

If, after reading your manual, you still have questions regarding this prod-
uct, we recommend that you see your Rockford Fosgate dealer. If you need 
further assistance, you can call us direct at 

1-800-669-9899

. Be sure to 

have your serial number, model number and date of purchase available 
when you call.

Safety

This symbol with “WARNING” is intended 
to alert the user to the presence of important 
instructions. Failure to heed the instructions 
will result in severe injury or death.

This symbol with “CAUTION” is intended to 
alert the user to the presence of important 
instructions. Failure to heed the instructions 
can result in injury or unit damage.

s

To prevent injury and damage to the unit, please read and follow the 
instructions in this manual. We want you to enjoy this system, not get 
a headache.

s

If you feel unsure about installing this system yourself, have it installed 
by a qualified Rockford Fosgate technician.

s

Before installation, disconnect the battery negative (-) terminal to 
prevent damage to the unit, fire and/or possible injury.

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©2011 Rockford Corporation. All Rights Reversed. ROCKFORD FOSGATE associated logos where applicable are registered trademarks of  Rockford                                                                                  
Corporation in the United States and/or other countries. All other trademarks are the property of their respective owners. Specifications subject to change without notice.

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Continuous exposure to sound pressure levels over 100dB may cause 

permanent hearing loss. High powered auto sound systems may 

produce sound pressure levels well over 130dB. Use common sense 

and practice safe sound.

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Une exposition continue à des niveaux de pression acoustique upérieurs à 

100 dB peut causer une perte d’acuité auditive permanente. Les systèmes 

audio de forte puissance pour auto peuvent produire des niveaux de 

pression acoustique bien au-delà de 130 dB. Faites preuve de bon sens et 

pratiquez une écoute sans risques

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El contacto continuo con niveles de presión de sonido superiores a 100 

dB puede causar la pérdida permanente de la audición. Los sistemas de 

sonido de alta potencia para automóviles pueden producir niveles de 

presión de sonido superiores a los 130 dB. Aplique el sentido común y 

practique el sonido seguro.

79(2;0A0,9,5:0,:0*/,9,5:6<5+

Fortgesetzte Geräuschdruckpegel von über 100 dB können beim 

Menschen zu permanentem Hörverlust führen. Leistungsstarke 

Autosoundsysteme können Geräuschdruckpegel erzeugen, die weit über 

130 dB liegen. Bitte wenden Sie gesunden Menschenverstand an und 

praktizieren Sie sicheren Sound.

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La costante esposizione a livelli di pressione acustica al di sopra dei 

100dB possono causare la perdita permanente dell’udito. I sistemi 

audio ad alta potenza possono produrre livelli di pressione acustica ben 

superiori ai 130dB. Si consiglia il buon senso e l’osservanza delle regole 

del suono senza pericoli

2 Introduction

3 Specifications

4-5 Design Features

6-9 Installation

Installation Considerations

Mounting Locations

Battery and Charging

Wiring the System

10 Operation

Adjusting Gain / Crossover

Punch Bass / Remote Punch Level Control

11 Troubleshooting

12-16 Additional Languages

French

Spanish

German

Italian

20 Limited Warranty Information

Summary of Contents for Prime R250-4

Page 1: ...Serial Number Date of Purchase Birth Date Installation Operation Total RMS Power 4CH AMPLIFIERS R250 4 ...

Page 2: ... enjoy this system not get a headache s If you feel unsure about installing this system yourself have it installed by a qualified Rockford Fosgate technician s Before installation disconnect the battery negative terminal to prevent damage to the unit fire and or possible injury 0U YVK J PVU 2011 Rockford Corporation All Rights Reversed ROCKFORD FOSGATE associated logos where applicable are registere...

Page 3: ...e Rating not supplied 40A THD N Rated Power 1 0 4 ohms Input Sensitivity 150mV 8V Input Impedance 20k S N Ratio CEA 2006 70 S N Ratio Rated Power 90 Channel Separation 50 Common Mode Rejection Ratio 55 Damping Factor 200 Dimensions LxWxH 11 6 x 7 7 x 2 4 29 4cm x 19 6cm x 6 1cm WLJPÄJH PVUZ CEA 2006 Power ratings on Rockford Fosgate amplifiers conform to CEA 2006 industry standards These guidelines...

Page 4: ...style connectors This terminal is used to remotely turn on and turn off the amplifier when 12V DC is applied RCA Input Jacks The industry standard RCA jacks provide an easy connection for signal level input They are nickel plated to resist the signal degradation caused by corrosion The Pass Thru provides a con venient source for daisy chaining an additional amplifier without running an extra set of ...

Page 5: ... will automatically shut down if this occurs Crossover Switch Selectable switch for 80Hz High Pass HP All Pass AP or Low Pass LP operation Fuses These ATC fuses are easily accessible in case of failure Always replace fuses with same type and rating See Specifications for fuse ratings Variable Crossover Is a built in 12dB octave Butterworth filter with a crossover point variable from 50Hz to 250Hz il...

Page 6: ... ALWAYS protect the battery and electrical system from damage with proper fusing Install the appropriate fuse holder and fuse on the 12V power wire within 18 45 7 cm of the battery terminal 10 When grounding to the chassis of the vehicle scrape all paint from the metal to ensure a good clean ground connection Grounding connections should be as short as possible and always be connected to metal tha...

Page 7: ...paint from the metal surface and thoroughly clean the area of all dirt and grease Strip the other end of the wire and attach a ring connector Fasten the cable to the chassis using a non anodized screw and a star washer NOTE Keep the length of the BLACK wire Ground as short as possible Always less than 30 6 Prepare the Remote turn on wire for attachment to the amplifier by stripping 3 8 of insulatio...

Page 8: ...8 0UZ HSSH PVU 4 Channel Stereo illus 2 1 ...

Page 9: ...9 0UZ HSSH PVU 3 Channel 2ch Stereo 1ch Mono bridged illus 2 2 ...

Page 10: ...preventing any crossover adjustment allowing all frequencies to pass Placing the crossover switch in the LP position sets the amplifier to the Low Pass mode enabling fre quencies below the cut off point to pass adjustable between 50 250Hz Turn the crossover adjustment knob all the way down With the system playing turn the crossover adjustment knob up slowly until the desired crossover point is achi...

Page 11: ...plices etc Test RCA inputs for AC volts with stereo on Repair replace if necessary 2 Disconnect RCA input from amplifier Connect RCA input from test stereo directly to amplifier input Step 4 Check Amplifier if you experience Turn on Pop 1 Disconnect input signal to amplifier and turn amplifier on and off 2 If the noise is eliminated connect the REMOTE lead of amplifier to source unit with a delay turn o...

Page 12: ...e caused by accident abuse improper operations water theft shipping 2 Any cost or expense related to the removal or reinstallation of product 3 Service performed by anyone other than Rockford or an Authorized Rockford Fosgate Service Center 4 Any product which has had the serial number defaced altered or removed 5 Subsequent damage to other components 6 Any product purchased outside the U S 7 Any ...

Page 13: ...Installation assistance availible at www rockfordfosgate com rftech R O C K F O R D F O S G AT E C O M 3OUTH 2OCKFORD RIVE s 4EMPE RIZONA 5NITED 3TATES IRECT s 4OLL REE 112111BCF 1230 57383 02 ...

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