Rockford Fosgate R2D2-12 Bedienungsanleitung

Rockford Fosgate Autofreisprechanlage R2D2-12

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BCF 112010

1230-56566-01 Printed in China

Rockford Corporation offers a limited warranty on Rockford Fosgate products on the following terms:

Length of Warranty

Speakers – 1Year. Any Factory Refurbished Product – 90 days (receipt required)

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 country’s 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, 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 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

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further

assistance, call 1-800-669-9899 for Rockford Customer Service.You must obtain an RA# (Return

Authorization number) to return any product to Rockford Fosgate.You are responsible for shipment

of product to Rockford.

EU Warranty

This product meets the current EU warranty requirements, see your Authorized dealer for details.

Rockford Fosgate, the Rockford Fosgate logo, and the PRIME logo are either

registered trademarks or trademarks of Rockford Corporation.

L WIMITED ARRANTY TATEMENTS

Check our website for additional information and

updates on these products.

www.RockfordFosgate.com

Installation & Operation

R2 - DVC - DUAL VOICE COIL UBWOOFERSS

Serial Number: Date of Purchase:

10" 12"

Dual 2-Ohm R2D2-10 R2D2-12

Dual 4-Ohm R2D4-10 R2D4-12

This manual outlines two specific types of enclosures that provide

distinctly different performance.This section is to help you decide

which type is best for your application.

SEALED ENCLOSURES

Sealed enclosures are the simplest to build.The most important part of

building a sealed enclosure is to make sure that the enclosure is airtight.

Using glue and some type of sealant on all seams will ensure solid

construction and prevent air leaks.The box volume will directly impact

the performance of the speaker. Larger enclosures will provide flatter

response and deeper bass where smaller boxes will provide a bump in

the response curve and generally higher output for greater SPL.

Advantages of sealed enclosures:

• Small enclosures

• Linear (Flat) response

• No port noise

• High power handling at all frequencies

• Excellent for sound quality

• Extended low frequency output when compared to vented enclosures

VENTED ENCLOSURES

Vented enclosures vary only from the sealed enclosure in that a vent or

port is added to “tune” the enclosure.The enclosures recommended are

designed for great overall performance. Larger boxes tend to be easy to

tune to lower frequencies while medium and small boxes are easier to

tune to higher frequencies.The vented design is less linear in response

than the sealed box but with noticeably more output at the tuning fre-

quency.

Advantages of vented enclosures:

• Higher average output than sealed

• Tuning frequency can be easily adjusted by changing port length

• Deep bass response with lower power requirements

• Great for high output with limited power

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 enclosure should

be glued together and secured with nails or screws.

CALCULATING VOLUME

Calculating volume is merely a matter of measuring the dimensions in

inches and using the formula: H x W x D divided by 1728 (cubic feet).

See block below.

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.

SAFETY

CARTON ONTENTSC

CAUTION: Before installation, disconnect the battery

negative (-) terminal to prevent damage

to the unit, fire and/or possible injury.

PRACTICE SAFE SOUND™

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.

• (1) Prime R2 Series Subwoofer

R EECOMMENDED NCLOSURES

60.0

70.0

80.0

90.0

100.0

110.0

120.0

130.0

10.0 20.0 40.0 60.0 80.0 100.0 200.0

Frequency, Hz

Sealed Box Vented Box

Box Volume Height"x Width"x Depth"

Divided by (cubic feet) 1728

Vented vs Sealed

The graph shown here is a sample of how the F3 drop-off point differs

between sealed and vented enclosures.

NOTE: Vb is the gross volume, which is the TOTAL internal volume, before any speaker and/or port displacement.

All external dimensions were based on the use of 3/4" (1.90cm) materials.

NOTE: When using enclosures other than recommended, call Technical Support for correct application.

NOTE: Vb is the gross volume, which is the TOTAL internal volume, before any speaker and/or port displacement.

All external dimensions were based on the use of 3/4" (1.90cm) materials.

NOTE: When using enclosures other than recommended, call Technical Support for correct application.

S EEALED NCLOSURES

V EENTED NCLOSURES

Specifications subject to change without notice

Optimum Sealed Enclosure Recommendation

Recommended Sealed Enclosure Volume Range

SEALED ENCLOSURES 10" 12"

R2D2-10 / R2D4-10 R2D2-12 / R2D4-12

Vb- Internal Area cu. ft. 0.59 1.02

(Liter) (16.7) (28.9)

F3- -3dB Point (Hz) 57.5 51.4

Qtc- Enclosure Damping 0.75 0.94

H - Height-inch 15.75 17.5

(cm) (40.01) (44.45)

W - Width-inch 17.5 18.5

(cm) (44.45) (46.99)

D - Depth-inch 6.25 8.25

(cm) (15.88) (20.96)

SEALED ENCLOSURES 10" 12"

R2D2-10 / R2D4-10 R2D2-12 / R2D4-12

Vb- Volume Range cu. ft. 0.50 to 0.75 0.75 to 1.25

(Liter) (14.16 to 21.24) (21.24 to 35.40)

Specifications subject to change without notice

Number of ports noted in ( )

OptimumVented (Ported) Enclosure Sizes

VENTED ENCLOSURES 10" 12"

R2D2-10 / R2D4-10 R2D2-12 / R2D4-12

Vb- Internal Area cu. ft. 1.40 1.79

(Liter) (39.6) (50.7)

Fb- Tuning Frequency (Hz) 43.0 45.0

F3- -3dB Point (Hz) 37.1 39.4

H - Height-inch 14.0 16.5

(cm) (35.56) (41.91)

W - Width-inch 17.0 20.5

(cm) (43.18) (52.07)

D - Depth-inch 15.25 13.0

(cm) (38.74) (33.02)

P - Port Diameter and

Length-inch (1) 4 x 13 (1) 4 x 9.3

(cm) (1) (10.16 x 33.30) (1) (10.16 x 23.70)

NOTE: The port shown can be placed on any face of the enclosure as long as the port ends are not obstructed.

NOTE: When using vented enclosures, for maximum reliability and power handling ensure that a subsonic or "infrasonic" filter is used so that

only usable low frequency signal is sent to the subwoofer.

Produktspezifikationen

Marke:	Rockford Fosgate
Kategorie:	Autofreisprechanlage
Modell:	R2D2-12
Breite:	- mm
Tiefe:	- mm
Produkttyp:	Subwoofer-Treiber
Produktfarbe:	Schwarz
Höhe:	- mm
Gehäusematerial:	Polypropylen (PP)
Durchmesser:	4490 mm
Subwoofer-Treiberdurchmesser (imperial):	12 "
Subwoofer Effektivwert Energie:	250 W
Subwoofer Frequenzbereich:	- Hz
Subwoofer Empfindlichkeit:	88.7 dB
Gesamtleistung des Subwoofers:	500 W
Subwoofer Widerstand:	2 Ohm
Schwingspulendurchmesser:	51 mm
Lautstärke Akustische Zustimmung:	66.4 l
Resonanz Frequenz (Fs):	34.6 Hz
Mechanischer Q-Faktor (QMS):	8.29
Elektrischer Q-Faktor (QES):	0.62
Gesamter Q-Faktor (Qts):	0.58
Höhepunkt Exkursion (Xmax):	6.5 mm
Schwingspuleninduktivität (Le):	3.9 mH
Effektive Kolbenfläche (Sd):	539.1 cm²