Rockford Fosgate P2D210, P2D215, P2D212, P2D410, P2D28, P2D412, P2D48, PUNCH P2D412 User Manual

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LIMITED WARRANTY STATEMENT

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.

Check our website for additional information and updates on these products.

www.RockfordFosgate.com

2006 Rockford Corporation.All rights reserved.

Rockford Fosgate, the Rockford Fosgate logo, and the PUNCH logo are either registered trademarks or trademarks of Rockford Corporation.

12/06 B.M.

Printed in China

1230-53314-01

P2-DVC - DUAL VOICE COIL SUBWOOFERS

 

 

8"

10"

 

12"

15"

Dual 2-Ohm

P2D28

P2D210

P2D212

P2D215

Dual 4-Ohm

P2D48

P2D410

P2D412

P2D415

 

 

 

 

 

 

 

 

 

 

Installation & Operation

Serial Number:

 

 

 

 

Date of Purchase:

 

SAFETY

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.

RECOMMENDED ENCLOSURES

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

130.0

response than the sealed box but with noticeably more output at

 

the tuning frequency.

120.0

Advantages of vented enclosures:

110.0

• Higher average output than sealed

100.0

 

Tuning frequency can be easily adjusted by changing port length

• Deep bass response with lower power requirements

90.0

 

• Great for high output with limited power

80.0

 

 

70.0

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

60.0

point differs between sealed and vented enclosures.

10.0

CARTON CONTENTS

(1) Punch P2 Series Subwoofer

(1) Painted PVC decorative trim ring

(8) Socket head wood screws

(1) Socket head driver bit

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.

Box Volume

Height" x Width" x Depth"

 

Divided by (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.

20.0

40.0

60.0

80.0

100.0

200.0

1000.0

Sealed Box

Vented Box

 

Frequency, Hz

 

 

2

SEALED 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.

Optimum Sealed Enclosure Recommendation

 

 

 

 

SEALDED ENCLOSURES

8"

10"

12"

15"

 

 

 

 

 

 

P2D28 / P2D48

P2D210 / P2D410

P2D212 / P2D412

P2D215 / P2D415

 

W

 

 

 

Vb-

Internal Area cu. ft.

0.23

0.59

1.02

1.58

 

 

 

 

 

(Liter)

(6.51)

(16.42)

(28.88)

(44.74)

 

 

 

 

 

 

 

 

 

 

 

F3-

-3dB Point (Hz)

69.70

46.81

40.57

34.30

 

 

 

 

 

QtcEnclosure Damping

0.656

0.784

0.952

1.197

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H -

Height-inch

10.0

12.0

14.0

18.0

 

 

 

 

 

 

(cm)

(25.40)

(30.48)

(35.56)

(45.72)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

W -

Width-inch

12.0

14.0

18.0

21.0

 

 

 

 

 

 

(cm)

(30.48)

(35.56)

(45.72)

(53.34)

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

D -

Depth-inch

6.0

9.25

10.0

10.0

 

 

 

 

 

 

 

 

 

 

 

(cm)

(15.24)

(23.50)

(25.40)

(25.40)

 

 

 

 

 

 

 

 

 

 

 

 

Recommended Sealed EnclosureVolume Range

D

 

SEALDED ENCLOSURES

8"

 

10"

12"

15"

 

 

 

P2D28 / P2D48

P2D210 / P2D410

P2D212 / P2D412

P2D215 / P2D415

 

 

 

Vb- Volume Range cu. ft.

0.20 to

0.30

0.50 to 0.85

0.70 to 1.80

1.30 to 3.50

 

 

 

(Liter)

(5.66 to

8.50)

(14.16 to 24.07)

(19.82 to 50.97)

(36.81 to 99.10)

 

 

 

 

 

 

 

 

 

 

Specifications subject to change without notice

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.

P

OptimumVented (Ported) Enclosure Sizes

W

 

 

 

 

VENTED ENCLOSURES

 

8"

10"

12"

15"

 

 

 

 

 

 

 

 

P2D28 / P2D48

P2D210 / P2D410

P2D212 / P2D412

P2D215 / P2D415

 

 

 

 

 

Vb-

Internal Area cu. ft.

 

0.65

1.40

1.79

2.66

 

 

 

 

 

 

 

(Liter)

 

(18.41)

(39.64)

(50.69)

(75.32)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fb-

Tuning Frequency (Hz)

38.5

40.1

39.5

32.0

 

 

 

 

 

 

 

 

 

 

 

 

F3-

-3dB Point (Hz)

 

34.4

32.8

33.1

29.6

 

 

 

 

 

 

H -

Height-inch

 

12.0

12.0

14.0

18.0

 

 

 

 

 

 

 

(cm)

 

(30.48)

(30.48)

(35.56)

(45.72)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

W - Width-inch

 

18.0

20.0

25.0

28.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(cm)

 

(45.72)

(50.80)

(63.50)

(71.12)

 

 

 

 

 

 

D -

Depth-inch

 

8.0

14.0

12.0

12.0

 

 

 

 

 

 

 

(cm)

 

(20.32)

(35.56)

(30.48)

(30.48)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P -

Port Diameter and

 

 

 

 

 

 

 

 

 

 

 

 

Length-inch

 

(1) 2 x 8

(1) 4 x 14

(1) 4 x 10

(1) 4 x 10

 

D

 

 

 

 

 

 

(cm)

(1) (5.08 x 20.32)

(1) (10.16 x 35.56)

(1) (10.16 x 25.40)

(1) (10.16 x 25.40)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Number of ports noted in ( )

Specifications subject to change without notice

 

 

 

 

 

 

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

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