Rockford Fosgate Prime R250-4 Installation & Operation Manual
4CH AMPLIFIERS
R250-4
Total
RMS Power
Birth Date:
Serial Number:
Date of Purchase:
Installation & Operation
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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 fanatics about musical reproduction 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.
If, after reading your manual, you still have questions regarding this product, 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.
79(*;0*,:(-,:6<5+
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.
79(;08<,A<5,i*6<;,:(5:90:8<,:
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
79(*;08<,,3:650+6:,.<96
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.
Table of Content
2 Introduction
3 Specifications
4-5 Design Features
6-9 Installation
10 Operation
11 Troubleshooting
12-16 Additional Languages
20 Limited Warranty Information
Installation Considerations
Mounting Locations
Battery and Charging
Wiring the System
Adjusting Gain / Crossover
Punch Bass / Remote Punch Level Control
French
Spanish
German
Italian
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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
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.
sTo 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.
sIf you feel unsure about installing this system yourself, have it installed
by a qualified Rockford Fosgate technician.
sBefore installation, disconnect the battery negative (-) terminal to
prevent damage to the unit, fire and/or possible injury.
©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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Model
Rated Power
*Continuous Power Rating (RMS)
Measured @ 14.4V
Crossover Slope 12dB/Oct
Crossover Frequency HP Fixed 80Hz
Punch Bass 0/6/12dB @ 45Hz
Operating Voltage 9 - 16V DC
Frequency Response 20Hz - 20kHz ± 1dB
Battery Fuse 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
R250-4
40x4 @ 4 ohms
65x4 @ 2 ohms
125x2 @ 4ohms(bridged)
LP Variable 50Hz - 250Hz
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)
CEA 2006
Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines
mean your amplifier’s output power ratings are REAL POWER numbers, not inflated marketing ratings.
3
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Gain Control
The input gain control is preset to match the output
of most source units.
Power LED
Power LED illuminates blue when
the unit is turned on.
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 convenient source for daisy-chaining an additional amplifier without
running an extra set of RCA cables from the front of the vehicle to
the rear amplifier location.
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POWER
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100 175
75 225
50
250
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Hz
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57
39
1
11
FRONT
GAIN
LEFT
RIGHT
IN
FRONT
B+REMGND
FUSE
4
20A 20
Power/REM Terminals
The power and ground are nickel-plated clamp wire connectors and will
accommodate 4 AWG #8 (up to 1/2”) spade or ring style connectors.
The nickel-plated clamp wire connector and will accommodate 8 AWG
#8 (up to 3/8”) spade or ring style connectors.(This terminal is used to
remotely turn-on and turn-off the amplifier when +12V DC is applied.)
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