Rockford Fosgate RFP 1418 User Manual

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c a r a u d i o for  
f a n a t i c s  
RFP-1408/1808  
RFP-1410/1810  
RFP-1412/1812  
RFP-1415/1815  
RFP-1418/1815  
TABL E O F C O N T E N T S  
Introduction ............................................................................................. 1  
RF Punch Woofer Contents ...................................................................... 1  
Technical Design Features ....................................................................... 1  
Stamped Basket .................................................................................. 1  
PVA Cone .......................................................................................... 1  
Inverted Dust Cap .............................................................................. 1  
Aluminum Voice Coil Former............................................................. 2  
Four-Layer Voice Coil ........................................................................ 2  
Dual Laminated Foam Surrounds ....................................................... 2  
Hyper-Extended Pole Piece ................................................................ 2  
Vented Bumped Back Plate ................................................................ 2  
Installation ............................................................................................... 3  
Recommended Enclosures.................................................................. 3  
Building An Enclosure ........................................................................ 4  
Calculating Volume ............................................................................ 4  
Subwoofer Crossovers ........................................................................ 4  
Wiring Configurations ........................................................................ 5  
Specifications ........................................................................................... 6  
Warranty Information ............................................................................... 7  
International Information .......................................................................... 8  
G ETTI N G STARTED  
Welcome to Rockford Fosgate! This manual is designed to provide  
information for the owner, salesperson and installer. For those of you  
who want quick information on how to install this product, please turn  
to the Installation Section ofthismanualorreferto the icon listed below.  
Other information can be located by using the Table of Contents. We,  
at Rockford Fosgate, have worked very hard to make sure all the  
information in this manual is current. But, as we are constantly finding  
new ways to improve our product, this information is subject to change  
without notice.  
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Sections marked  
INSTALLATION  
include “slam dunk”  
assembly and wiring  
directions  
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IN TRO D U C TI O N  
The RF Punch Woofers are a full line of low frequency drivers sized  
from 8" to 18" and are available in 4 or 8 ohm impedance. The RF  
Punch woofers were designed for use primarily in small, sealed  
enclosures. By utilizing the latest materials and construction tech-  
niques, we are able to offer a speaker with high output at low  
frequencies while requiring a minimum of operating space.  
RF PU N C H W O O FER CO N TEN TS  
RF Punch Woofer  
Installation & Owner's Manual  
TECHNICAL D ESI G N FEAT U RES  
Stamped Basket  
The RF Punch Woofers use a stamped Cold Rolled Steel basket which  
is rigid and lightweight. The basket is finished in a corrosive resistant  
powder coated applied process used in many automotive applica-  
tions.  
THE RESULT: A lightweight and rigid woofer  
PVA Cone  
The cone material used is spruce pulp paper. This provides the  
necessary combination of weight and strength and allows high levels  
of output without cone break up. The cone is treated with a water  
resistant PolyVinyl Acetate (PVA) Emulsion which increases the cone  
rigidity and lowers distortion.  
THE RESULT: Increases cone rigidity and lowers distortion  
Inverted Dust Cap  
The use ofthe inverted dustcap servesto increase the cone rigidityand  
improve the power handling by forcing more air through the voice  
coil.  
THE RESULT: Increases cone rigidity, smooths frequency response  
and preventsyourfriendsfrom feelingobligated to invertthem foryou.  
– 1 –  
Aluminum Voice Coil Former  
The voice coil former is black, anodized aluminum for highly efficient  
thermal transfer. This allows winding high temperature copper wire  
in multiple layers for improved efficiency.  
THE RESULT: Improves power handling by efficiently dissipating heat  
Four-Layer Voice Coil  
Multiple layers of high temperature copper wire are wound on the  
Aluminum Voice Coil for efficient thermal transfer. The massive voice  
coil increases XMAX and adds to the moving mass of the speaker. This  
lowers the Fs of the speaker for better low frequency response and  
increases the power handling.  
THE RESULT: Increases XMAX and power handling  
Dual Laminated Foam Surrounds  
The RF Punch Woofers employ a dual laminate foam surround for the  
front of the woofer's suspension. Dual lamination improves reliability  
by making the woofer mechanically stronger.  
THE RESULT: Adds mechanical strength  
Hyper-Extended Pole Piece  
The pole piece has been extended to provide a more linear magnetic  
field for the operation of the woofer. This lowers distortion and  
provides the woofer with better low frequency response.  
THE RESULT: Lowers distortion and provides better low frequency  
response  
Vented Bumped Back Plate  
The back plate has been stepped deeper to allow the woofer more  
excursion without bottoming out. This enables the speaker to be used  
in a smaller enclosure. Additionally, the back plate is vented with a  
radiused aerodynamic back vent which efficiently and quietly circu-  
lates cool air around the voice coil.  
THE RESULT: More excursion and increased power handling  
– 2 –  
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INSTALLATION  
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Recommended Enclosures  
Punch 8"  
Recommended Sealed .30ft3 (8.50L)  
W = 11"  
(27.94cm)  
D = 8"  
(20.32cm)  
Punch 10"  
Recommended Sealed .75ft3 (21.24L)  
W = 15"  
(38.10cm)  
D = 10"  
(25.40cm)  
Punch 12"  
Recommended Sealed 1.25ft3 (35.40L)  
W = 19-3/4"  
(50.17cm)  
D = 12"  
(30.48cm)  
Punch 15"  
Recommended Sealed 2.5ft3 (70.79L)  
W = 25"  
(63.50cm)  
D = 12"  
(30.48cm)  
– 3 –  
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Punch 18"  
Recommended Sealed 4.0ft3 (113.27L)  
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W = 32-1/2"  
(82.55cm)  
D = 14"  
(35.56cm)  
Building an Enclosure  
To work properly, the walls of the enclosure must be rigid and not flex  
when subjected to the high pressures generated by the speaker's  
operation. For optimum performance, we recommend using 3/4"  
MDF (Medium Density Fiberboard) and internal bracing. The enclo-  
sure should be glued together and secured with nails or screws. MDF  
is porous; therefore, it is suggested to also seal the outside walls with  
polyurethane.  
Calculating Volume  
Calculating volume is merely a matter of measuring the dimensions  
in inches and using the formula:  
Height x Width x Depth  
Box Volume =  
(cubic feet)  
1728"  
If two facing sides are of uneven length, add them together and divide  
by two to take the average. Using this number will give you the  
volume without the necessity of calculating the box in sections and  
adding the sections together. The thickness of the baffle material  
reduces the internal volume so this must be subtracted from the  
outside dimensions to determine the internal volume. The speaker  
itself also reduces the internal volume. The amount of air displaced  
by each model is listed on the specification sheet and should also be  
subtracted from the gross volume calculation.  
Subwoofer Crossovers  
There are two operational types of crossovers, passive and active.  
Passive crossovers (coils or inductors) are placed on the speaker leads  
between the amplifier and speaker. An active crossover is an elec-  
tronic filter which separates the audio signal fed to different amplifi-  
ers. For optimum subwoofer performance, we recommend using an  
active 80-100Hz low-pass crossover at 12dB/octave.  
– 4 –  
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Wiring Configurations  
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Three configurations for connecting speakers to an amplifier  
are Series, Parallel, and Series-Parallel wiring. A Series con-  
figuration consists of two or more speakers wired in an string  
(end to end). A Parallel configuration consists of two or more  
speakers wired with the common terminals connected across  
each other. A Series-Parallel configuration is a combination of  
both methods. Determine which method will be compatible  
with your amplifier.  
Series Wiring  
Parallel Wiring  
1
1
1
1
1
RT = R1 + R2 + R3 + etc.  
=
+
+
+
+ etc.  
RT  
R1  
R2  
R3  
R4  
+
+
8load  
4load  
+
+
+
+
4load  
4load  
8load  
8load  
Series-Parallel Wiring  
4load  
+ –  
+  
+  
+
+
4load  
4load  
4load  
4load  
R indicates the total speaker load  
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R , R , etc. indicates each speaker in the system  
1
2
Red dot indicates “+” terminal of 8 ohm speaker  
Purple dot indicates “+” terminal of 4 ohm speaker  
– 5 –  
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– 6 –  
LIMITED W AR R AN T Y I N FO R M AT I O N  
Rockford Corporation offers a limited warranty on Rockford Fosgate products on the  
following terms:  
Length of Warranty  
1 year on speakers  
30 days on speaker B-stock (receipt required)  
90 days on electronic B-stock (receipt required)  
3 years on electronics  
2 years on source units  
What is Covered  
This warranty applies only to Rockford Fosgate products sold to consumers by  
Authorized Rockford Fosgate Dealers in the United States of America or its  
possessions. Product purchased by consumers from an Authorized Rockford  
Fosgate Dealer in another country are covered only by that countrys Distributor  
and not by Rockford Corporation.  
Who is Covered  
This warranty covers only the original purchaser of Rockford product purchased  
from an Authorized Rockford Fosgate Dealer in the United States. In order to  
receive service, the purchaser must provide Rockford with a copy of the receipt  
stating the customer name, dealer name, product purchased and date of purchase.  
Products found to be defective during the warranty period will be repaired or  
replaced (with a product deemed to be equivalent) at Rockford's discretion.  
What is Not Covered  
1. Damage caused by accident, abuse, improper operations, water, theft  
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 product not purchased from an Authorized Rockford Fosgate Dealer  
Limit on Implied Warranties  
Any implied warranties including warranties of fitness for use and merchantability  
are limited in duration to the period of the express warranty set forth above. Some  
states do not allow limitations on the length of an implied warranty, so this  
limitation may not apply. No person is authorized to assume for Rockford Fosgate  
any other liability in connection with the sale of the product.  
How to Obtain Service  
Please call 1-800-669-9899 for Rockford Customer Service. You must obtain an  
RA# (Return Authorization number)to return anyproductto Rockford Fosgate. You  
are responsible for shipment of product to Rockford.  
Ship to: Electronics  
Rockford Corporation  
Warranty Repair Department  
2055 E. 5th Street  
Ship to: Speakers  
Rockford Acoustic Design  
(Receiving-speakers)  
609 Myrtle N.W.  
Tempe, AZ 85281  
RA#:_________________  
Grand Rapids, MI 49504  
RA#:_________________  
– 7 –  
– 8 –  
LEA DETENIDAMENTE LAS SIGUIENTES INSTRUCCIO NES DE  
INSTALACÍON DEL PRODUCTO.  
INTRODUCCÍON  
Los woofers RF son una gama completa de drivers de baja frecuéncia  
que comprenden diámetros de 8" a 15". Los Woofers RF fueron  
diseñados para su utilización en caja cerrada o bass-reflex mediana.  
Diseñada para ofrecer la máxima calidad, los Woofers RF ofrecen al  
entusiasta principiante en sistemas de car audio, la oportunidad para  
disfrutar de un bajo sólido en las bajas frecuéncias. Nuestros  
ingenieroshan seleccionado materialesytécnicaspara la construcción  
de nuestros altavoces con el objetivo de ofrecer características y  
confianza comparable a otros altavoces vendidos much más caros.  
TERMINALES DE ENTRADA  
Los terminales positivo y negativo de entrada están ubicados uno en  
cada extremo de la carcasa. Este montaje separado previene de  
posibles cortocircuitos de la señal a altos niveles de volumen. El  
terminal positivo está marcado con un punto en la carcasa. Un punto  
rojo indica que la impedancia del altavoz es de 8 ohmios, y un punto  
violeta que es de 4 ohmios.  
– 9 –  
CALCULO DEL VOLUMEN  
Para calcular el volumen sólo se han de medir las dimensiones en  
centimetros y aplicar la fórmula:  
Volumen du  
la caja =  
Alto x Ancho x Profundidad  
1000  
(en litros)  
Si dos caras opuestas son de diferente tamaño, súmelas y divida el  
total por dos para obtener el promedio. Usando esta técnica se  
ahorrara elcálculo porsecciones. Elespesordelmaterialcon que está  
construida la caja reduce el volumen interno, de manera quer ha de  
restarse de las dimensiones exteriores para determinar el volumen  
interior. La cantidad de aire que ocupa cada modelo viene especificado  
en la hoja de caracteristicas y también debe sustraerse para obtener  
el volumen neto interior.  
CONSTRUCCION DE UN RECINTO  
Para un buen funcionamiento las paredes del recinto han de ser  
rigidas y sin flexión a altas presiones de aire. Recomendamos usar un  
espesor de 1.9 cm de conglomerado de alta densidad o fibra de  
media densidad. Si el recinto es muy grande es necessario reforzarlo  
internamente. Las juntas deben ser encoladas y aseguradas con  
tornillos o grapas. Internamente las juntas deben ser selladas con  
silicona para prevenir las fugas de aire. La cola para madera es la  
mejor opción. Debido a la porosidad del conglomerado de alta  
densidad y la fibra es recomendable sellar exteriormente la caja con  
poliuretano.  
– 10 –  
VEUILLEZ LIRE LES INSTRUCTIONS SUIVANTES POUR L'INSTALLATION  
DE CE PRODUIT.  
IN TRO D U C TI O N  
Les woofers Punch sont une gamme complète de haut-parleurs de  
graves allant de 20 à 46 cm et disponibles en 4ou 8. Les woofer  
Punch ont été conçus pour être utilisé de préférence en enceintes  
closes.  
En utilisant les techniques et les matériaux de construction les plus  
récents, nous sommes parvenus à construire un haut-parleur  
fournissant un rendement élevé dans les graves tout en requérant un  
volume opérationnel minimum.  
BO RN IERS  
Les bornes positives et négatives sont fixées de part et d'autre du  
saladier. Cette séparation permet d'empêcher les courts-circuits entre  
les fils lors des reproductions sonores élevées. La borne positive est  
repérée par un petit point de couleur sur le saladier. Un point rouge  
est utilisé pour les haut-parleurs de 8, un point violet pour les haut-  
parleurs de 4.  
– 11 –  
CALCUL DU VOLUME  
On calcule le volume en mesurant la dimension de chaque côté et en  
utilisant la formule suivante:  
Volume du  
Hauteur (cm) x Longueur (cm) x Largeur (cm)  
1000  
caisson =  
(Litres)  
Si les due côtés qui se font face n'ont pas la même longueur,  
additionnez les et divisez le résultat par deux pour obtenir la  
moyenne des deux longueurs. Utilisez le nombre ainsi obtenu dans  
la formule pour déterminer le litrage. Cette méthode permet d'obtenir  
le volume du caisson sans devoir faire de calculs compliqués de  
section de volume. L'épaisseur du matériau dont est fait le caisson  
réduit le volume interne de celui-ci. Lorsqu'on mesure les côtés du  
caisson il ne faut donc pas oublier d'oter des mesures l'epaisseur du  
matériau. Le haut-parleur lui-même diminue le volume interne du  
caisson. Le volume d'air déplacé par chaque modèle de haut-parleur  
est repris dans les spécifications techniques et doit également être  
soustrait du volume total.  
CONSTRUIRE UN CAISSON  
Pour fonctionner convenablement les parois du caisson doivent être  
rigides lorsqu'elles sont soumises aux hautes pressions dues au  
fonctionnementdu haut-parleur. Nousvousrecommandonsd'utiliser  
des panneaux de bois aggloméré à haute ou moyenne densité de  
particules de type “MDF”. Ces panneaux sont disponibles dans la  
plupart des magasins de bricolage. Pour un caisson de grand volume  
il est recommandé de placer des renforts à l'intérieur du caisson. Les  
différents côtés devront être collés (colle à bois) et vissés (ou  
éventuellement cloués). Il est recommandé de mettre un joint de  
silicone dans les arêtes internes du caisson afin d'éviter les fuites  
d'air. Du fait de la porosité des matériaux que nous vous conseillons  
il est préférable de recouvrir l'extérieur du caisson avec du  
polyuréthane.  
– 12 –  
BITTE LESEN SIE DIESE GEBRAUCHSANLEITUNG ZUERST SORGFÄLTIG  
DURCH. DAS KANN SIE VOR FALSCHEM EINSATZ, AUSFALLEN ODER  
SOGAR BESCHÄDIGUNG DES PRODUKTES ODER IHRES FAHRZEUGES  
SCHÜTZEN.  
EINLEITUNG  
Die RF-Punch Woofer sind eine komplette Produktlinie von Tief-  
Frequenzlautsprechern mit Durchmesser von 20 cm bis zu 46 cm,  
erhältlich in der Impendanz 4 - und 8 Ohm (Die RF Punch Woofer  
wurden vorwiegend fur den Einsatz in geschlossenen Gehäuse  
konstruiert). Durch die Verwendung neuester Materialien und  
Produktionstechniken können wir Ihnen heute einen Lautsprecher  
vorstellen, der hohe Lautstärken und tiefe Frequenzen selbst in sehr  
kleinen Volumen reproduzieren kann.  
AN SC H L U βT E R M I N AL S  
Die Anschluβterminalswurden aufjederSeite desLautsprecherkorbes  
positioniert um eventuelle Kurzschlüsse auch bei hoher Leistung  
auszuschlieβen (Das Positiv-Terminal ist durch eine Farbmarkierung  
gekenzeichnet). Eine rote Farbamrkierung befindet sich immer bei  
einem Lautsprecher mit einer Impedanz von 8 Ohm, eine violette  
Farbmarkierung zeichnet die Lautsprecher mit der Impedanz 4 Ohm.  
– 13 –  
VOLUMEN-BERECH NUNG  
Zur Volumen-Berechung benötigen sie die genauen Maβe und  
Dimensionen in Zentimetern.  
Gehäuse-  
Volumen =  
(Kubik Liter)  
Höhe (cm) x Breite (cm) x Tiefe (cm)  
1000  
Sollten zwei gegenüberliegende Seiten ungleich lang sein, so können  
sie die Maβe zusammen rechnen und durch zwei dividieren um den  
Durchschnitt zu erhalten. Dies macht Ihnen die Berechnung leichter  
und Sie müssen das Gehäuse nicht in Sektionen berechnen, die Sie  
danach wiedermühseligzusammen zählen müssen. Die Materialstärke  
beeinfluβt natürlich auch das Innen-Volumen, so muss für eine  
präzise Berechnung die Materialstärke von Auβen-Volumen  
abgezogen werden. Der Lautsprecher verringert ebenfalls das Innen-  
Volumen, auch er sollte natürlich heraus gerechnet werden. Jedes  
Lautsprecher-Volumen ist unter “Specifications” genau aufgelistet.  
DER GEH ÄUSE BAU  
Um das Gehäuse so präzise wie möglich zu bauen, sollten die  
Gehäusewände sehr steif und luftundurchlässig sein, um dem  
entsehenden Luftdruck des Lautsprechers standhalten zu können.  
Wir empfehlen 1,9 cm mittelverdichtete Faserplatte (MDF), die in  
den meisten Baumärkten angeboten wird. Bei einem gröβeren  
Gehäuse sollten Sie Versteifungen durch Holzbalken montieren.  
Diese sollten – wie auch das gesamte Gehäuse – mit Holzleim  
geklebt und verschraubt oder vernagelt sein. Um eine höhere Dichte  
zu erreichen, empfiehlt es sich, die Kanten und Verschraubungen  
mit Silikon abzudichten und das Gehäuse von innen mit einer  
Hohlraumversiegelung zu behandeln.  
– 14 –  
LEGGERE CO N ATTENZIO NE LE SEGUENTI ISTRUZIO NI PRIMA  
DELL'INSTALLAZIONE DEL PRODOTTO.  
INTRODUZIONE  
I woofer Punch RF sono una linea completa di altoparlanti per basse  
frequenze con diametri che vanno da 20 a 46 cm e disponibili sia a  
4 che a 8 ohm. (IwooferPunch RFsono progettatiperilfunzionamento  
principale in cassa chiusa.). Impiegando le piú aggiomate tecnologie  
e materiali, siamo in grado di offrire altoparlanti che possono  
riprodurre un'elevata pressione sonora alle basse frequenze  
mantenendo i volumi di impiego assolutamente ridotti.  
CONNESSIONI DI INGRESSO  
I connettori di ingresso positivi e negativi sono montati sul cestello in  
posizioni speculari. Il montaggio separato impedisce al segnale  
musicale di cortocircuitarsi ad altissimi livelli di volume. (Il terminale  
di ingresso é indicato da una marcatura colorata sul cestello.) Un  
contrassengno rosso indica che l'impedenza dell'altoparlante é 8  
ohm, il contrassegno viola é impiegato per i 4 ohm.  
– 15 –  
CALCOLO DEL VOLUME  
Calcolare il volume é essenzialmente solo un poroblema di  
misurazione delle dimensioni in centimetri della cassa e di  
applicazione della formula:  
Volume della  
Alteza x Larghezza x Profonditá  
1000  
cassa =  
(litri)  
Se due pareti parallele sono di dimensioni diverse (prisma),  
semplicemente sommatele e dividete il risulto per due. Impiegando  
il risultato ottenuto potete calcolare il volume senza dividere la cassa  
i sezioni. Lo spessore del legno riduce il volume interno, per cui é  
necessario sottrario dalle dimensioni esterne. Anche il volume  
dell'altoparlante stesso riduce il volume della cassa e deve essere  
sottratto. Il volume che ciascun altoparlante contribuisce a togliere  
dalla cassa é indicato nelle tabelle con le specifiche.  
COSTRUIRE UNA CASSA  
Per ottenere le prestazioni massime, le pareti della cassa devono  
essere rigide e non flettere sotto la sollecitaxione della elevata  
pressione generata dal woofer. Noi raccomandiamo l'impiego di  
MDF con uno spessore minimo di 19 mm, materiale facilmente  
reperibile in tutte le falegnamerle. Per casse di dimensioni molto  
grandi é indispensabile prevedere dei rinforzi interni. Le giunture  
devono essere incollate e fissate con viti o chiodi in abbondanza.  
Intermanmente le giunture devono essere siliconate per impedire  
trafilati d'aria. Anche la colla da legno funziona bene. Essendo il  
MDF un materiale poroso si consiglia di sigillare l'esterno con  
materiali poliuretanici.  
– 16 –  
M ADE IN THE USA  
This product is designed, developed and assembled in the USA by a dedicated  
group of American workers. The majority of the components used in the  
construction of this product are produced by American companies. However, due  
to the global nature of their manufacturing facilities and the loudspeaker parts  
industry in general, some parts may be manufactured in other countries.  
Rockford Fosgate  
Rockford Corporation  
546 South Rockford Drive  
Tempe, Arizona 85281 U.S.A.  
In U.S.A., (602) 967-3565  
In Europe, Fax (49) 4207-801250  
In Japan, Fax (81) 559-79-1265  
11/96  
LIT9778  

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