Punch P315D2 - Subwoofer Rockford Fosgate - Free user manual and instructions

Brand	Rockford Fosgate
Model	Punch P315D2
Category	Subwoofer
Speaker type	Dual voice coil (DVC)
Speaker diameter	15 inches (38 cm)
Coil impedance	2 ohms per coil
Possible wiring configuration	Series, parallel, series/parallel
Recommended enclosure type	Sealed or ported
Recommended enclosure material	MDF (medium density fiberboard)
Recommended filter	Active low-pass filter 80-100 Hz at 12 dB/octave
Maximum sound pressure level	Above 130 dB (hearing risk beyond 100 dB)
Warranty	1 year (Punch speakers)
Maintenance	Clean the exterior with a soft dry cloth
Safety	Disconnect the battery before installation; avoid prolonged exposure above 100 dB
Included accessories	Balance ring, screws, installation manual

Frequently Asked Questions - Punch P315D2 Rockford Fosgate

How to wire a Punch P315D2 speaker to an amplifier?

The Punch P315D2 has two 2-ohm voice coils. You can wire them in series for a 4 ohm load, in parallel for 1 ohm, or series/parallel depending on the number of speakers. Consult the wiring diagrams in the manual to match the load to your amplifier.

What is the difference between a sealed enclosure and a ported enclosure?

A sealed enclosure is airtight, offering a linear response and good sound quality. A ported enclosure has a tuned port, offering higher efficiency at the tuning frequency but less linear response. The choice depends on your preference: quality vs. power.

What enclosure volume is recommended for the Punch P315D2?

The manual does not specify a volume, but for a 15-inch DVC, a typical volume is between 40 and 80 liters for a sealed enclosure, and between 60 and 120 liters for a ported enclosure. Calculate the internal volume by subtracting the wood thickness and speaker displacement.

How to maintain my Punch subwoofer?

Clean the exterior of the enclosure regularly with a soft dry cloth. Avoid harsh chemicals. Check electrical connections and ensure the enclosure is securely mounted to prevent rattling.

What is the power handling of the Punch P315D2?

The manual does not specify RMS power, but a Rockford Fosgate 15-inch DVC subwoofer typically handles 400-600 watts RMS per coil. Check specifications on the official website or packaging.

Can I use a passive filter with this subwoofer?

Yes, you can use a passive filter (coil) between the amplifier and the speaker, but the manual recommends an active low-pass filter at 80-100 Hz with a 12 dB/octave slope for optimal performance.

What are the hearing risks associated with using this subwoofer?

Continuous exposure to sound pressure levels above 100 dB can cause permanent hearing loss. This subwoofer can produce over 130 dB. Practice safe listening by limiting volume and listening duration.

How to get a translation of the manual?

On the website notice-facile.com, you can request a translation by choosing your language and providing your email. The manual will be sent by email in the desired language.

What to do in case of a problem with the speaker?

First contact your authorized Rockford Fosgate dealer. If you need assistance, call customer service at 1-800-669-9899 (USA) with your model and serial numbers. Obtain an RA number before returning the product.

What is the warranty period for the Punch P315D2?

The limited warranty for Punch speakers is 1 year from the date of purchase, for the original purchaser in the USA. It covers manufacturing defects but not accidental damage, abuse, or incorrect installation.

USER MANUAL Punch P315D2 Rockford Fosgate

Installation & Operation

DVC - Dual Voice Coil Woofers

Dear Customer,

Congratulations on your purchase of the world's finest brand of car audio speakers. 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 Connecting Punch in your installation. Connecting Punch has everything from RCA cables and speaker wire to Power line 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 and jackets to hats and sunglasses.

To get a free brochure on Rockford Fosgate products and Rockford accessories,

visit our web site at: www.rockfordfosgate.com

or, in the U.S. call 1-800-669-9899 or FAX [phone].

For all other countries, call +001-480-967-3565 or FAX [phone].

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.

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.

The serial number can be found on the outside of the box. Please record it in the space provided below as your permanent record. This will serve as verification of your factory warranty and may become useful in recovering your product if it is ever stolen.

Serial Number: ____

Model Number: ____

TABLE OF CONTENTS

Introduction....2

Safety Instructions .... 3

Design Features....3

Recommended Enclosures ..... 4-5

Sealed Enclosures 4

Vented Enclosures....5

Wiring Configurations....6

Building an Enclosure 7

Calculating Volumes. 7

Subwoofer Crossovers 7

Specifications....8

Limited Warranty Information ..... 9

NOTE: Review each section for more detailed information.

GETTING 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 of this manual. 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.

SAFETY INSTRUCTIONS

WARNING

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.

CAUTION

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.

CAUTION: 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.

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

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

CONTENTS OF CARTON

Punch DVC Woofer Trim Ring

Screw Pack Installation & Operation Manual

DESIGN FEATURES

The Punch DVC Woofers are high performance, low frequency drivers with dual voice coils. These woofers were designed for use primarily in small sealed and small ported enclosures. By utilizing the latest materials and construction techniques, we are able to offer a speaker with high output at low frequencies while requiring a minimum of operating space.

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

P38D2 / P38D4 Recommended Sealed .30ft ^4 (8.5L)

H = 11" (27.94cm) PUNCH W = 11" (27.94cm) D = 8" (20.32cm) Range in Cubic Feet (ft³) 0.10 0.30 0.50 0 1 2 3

P310D2 / P310D4 Recommended Sealed .65ft ^4 (18.41L)

H = 12.5" (31.75cm) W = 19.5" (49.53cm) D = 7.75" (19.69cm) Range in Cubic Feet (ft³) 0.50 0.65 1.00 0 1 2 3

P312D2 / P312D4 Recommended Sealed .75ft ^3 (21.24L)

H = 14.5" (36.83cm) W = 17.5" (44.45cm) D = 8.5" (21.59cm) 0 1 2 3 Range in Cubic Feet (ft³) 0.65 0.75 0.85

P315D2 / P315D4 Recommended Sealed 2.00ft ^3 (56.63L)

H = 18.5" (46.99cm) PUNCH W = 23.5" (59.69cm) D = 11.25" (28.58cm) Range in Cubic Feet (ft³) 1.50 2.00 2.25 0 1 2 3

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 frequency.

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

P38D2 / P38D4 Recommended Vented 0.625ft³ (17.7L) Recommended Port 2.5"x 13.5" H = 11" (27.94cm) W = 19.75" (50.16cm) D = 8" (20.32cm) 0 0.45 0.625 0.75 Range in Cubic Feet (ft³) 1 2 3 17.5 13.5 11.25 Port Length in Inches (Diameter - 2.5")

P310D2 / P310D4 Recommended Vented 1.25ft³ (35.40L) Recommended Port 3"x 7.3" H = 14.5" (36.83cm) W = 22.5" (57.15cm) D = 10" (25.40cm) Range in Cubic Feet (ft³) Port Length in Inches (Diameter - 3") 9.6 7.3 5.7 1.00 1.25 1.50 2 3

P312D2 / P312D4 Recommended Vented 1.75ft³ (49.55L) Recommended Port 4"x 11" H = 16.5" (41.91cm) W = 25.5" (64.77cm) D = 10" (25.40cm) Range in Cubic Feet (ft³) 0 1 1.25 1.75 2.00 3 Port Length in Inches (Diameter - 4")

P315D2 / P315D4 Recommended Vented 2.50ft³ (70.79L) Recommended Port 4"x 9.4" H = 17.5" (44.45cm) PUNCH W = 27.5" (69.85cm) D = 12" (30.48cm) Range in Cubic Feet (ft³) 0 1 2 2.25 2.50 2.75 Port Length in Inches (Diameter - 4") 10.8 9.4 8.3

By varying the wiring configuration of your speakers you can create an impedance load to match your system. Since each voice coil of a DVC speaker carries its own impedance, altering the wiring configurations gives a range of options for impedance loads. Series, Parallel, or Series-Parallel wiring configurations are different techniques for wiring speakers that provide different loads. Series configuration is a string method where speakers are wired end to end. Parallel configuration uses two or more speakers wired across common terminals. Series-Parallel configuration combines both techniques. Choose the wiring diagram below that corresponds to the number of woofers and the impedance of your amplifier.

(1) 4 ohm DVC Speaker = 2 ohm Load

+ 2Ω -

(2) 4 ohm DVC Speaker = 1 ohm Load

+ 1Ω - + 4Ω - PUNCH + 4Ω - + 4Ω - + 4Ω -

(1) 2 ohm DVC Speaker = 4 ohm Load

+ 4Ω - PUNCH + 2Ω - - 2Ω +

(2) 2 ohm DVC Speaker = 2 ohm Load

+ 2Ω - PUNCH + 2Ω - - 2Ω + + 2Ω - PUNCH - 2Ω +

(2) 4 ohm DVC Speaker = 4 ohm Load

+ 4Ω - + 4Ω - PUNCH PUNCH - 4Ω + - 4Ω +

(3) 4 ohm DVC Speaker = 2.67 ohm Load

+ 2.67Ω - + 4Ω - PUNCH + 4Ω - + 4Ω - PUNCH + 4Ω - - 4Ω + + 4Ω - PUNCH + 4Ω -

(4) 4 ohm DVC Speaker = 2 ohm Load

+ 2Ω - + 4Ω - PUNCH PUNCH PUNCH PUNCH - - 4Ω + - - 4Ω + - - 4Ω + - - 4Ω +

(4) 2 ohm DVC Speaker = 4 ohm Load

+ 4Ω - + 2Ω - PUNCH + 2Ω - PUNCH + 2Ω - PUNCH + 2Ω - PUNCH - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω + - 2Ω +

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:

Box Volume = Height " x Width" x Depth"

(cubic feet) 1728 cu. in./cu. ft.

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 electronic filter which separates the audio signal fed to different amplifiers. For optimum subwoofer performance, we recommend using an active 80-100Hz low-pass crossover at 12dB/octave.

FEATURES - Punch DVC P3

• Parabolic Injection Molded Polypropylene Cone
- 2" and 2.5" Aluminum Voice Coil Former
- Cast Aluminum Basket with Spider Venting

• 77 and 102oz. Double Stacked Motor Structures
• Linear Spider
• Optimized for Sealed and Vented Enclosures

Model - Punch DVC P38D2 P38D4 P310D2 P310D4
Nominal Impedance (ohms) 2 (2) 4 (2) 2 (2) 4 (2)
Voice Coil Diameter-inch (mm) 2 (50.8) 2 (50.8) 2.5 (63.5) 2.5 (63.5)
FS (Hz)	39	42	27	28
QTS	0.471	0.517	0.520 0.564
VAS-cu.ft. (liter)	0.228 (6.48)	0.228 (6.48)	0.92 (26)	0.92 (26)
Xmax-inch (mm)	0.43 (11.0)	0.43 (11.0)	0.47 (12.0)	0.47 (12.0)
SPL (dB @ 1w/1m)	80.7	81.1	85.0	85.0
Power Handling (RMS)	250	250	400	400
Power Handling (Max)	500	500	800	800
Mounting Dia.-inch (mm)	7-1/8 (180.98)	7-1/8 (180.98)	9-5/16 (236.54)	9-5/16 (236.54)
Mounting Depth-inch (mm)	5-1/16 (128.59)	5-1/16 (128.59)	5-15/16 (150.81)	5-15/16 (150.81)
Speaker Dis.-cu. ft. (liter)	0.043 (1.22)	0.043 (1.22)	0.062 (1.76)	0.062 (1.76)
Sealed Box Vol.-cu. ft. (liter)	0.3 (8.5)	0.3 (8.5)	0.65 (18.41)	0.65 (18.41)
Vented Box Vol.-cu. ft. (liter)	0.625 (17.7)	0.625 (17.7)	1.25 (35.40)	1.25 (35.40)
Port Diameter & Length (in.)	(1) 2.5 x 13.5	(1) 2.5 x 13.5	(1) 3 x 7.3	(1) 3 x 7.3
Port Diameter & Length (cm)	(1) 6.35 x 34.29	(1) 6.35 x 34.29	(1) 7.62 x 18.54	(1) 7.62 x 18.54

Number of ports noted in ( )

Model - Punch DVC	P312D2	P312D4	P315D2	P315D4
Nominal Impedance (ohms) 2 (2) 4 (2) 2 (2) 4 (2)
Voice Coil Diameter-inch (mm)	2.5 (63.5)	2.5 (63.5)	2.5 (63.5)	2.5 (63.5)
FS (Hz)	25	26	22	23
QTS	0.398	0.456	0.489	0.546
VAS-cu.ft. (liter)	1.77 (50)	1.77 (50)	5.12 (145)	5.12 (145)
Xmax-inch (mm)	0.47 (12.0)	0.47 (12.0)	0.47 (12.0)	0.47 (12.0)
SPL (dB @ 1w/1m)	87.0	87.0	88.0	88.0
Power Handling (RMS)	500	500	500	500
Power Handling (Max)	1000 1000	1000 1000
Mounting Dia.-inch (mm)	10-13/16 (274.64)	10-13/16 (274.64)	13-13/16 (350.84)	13-13/16 (350.84)
Mounting Depth-inch (mm)	6-3/8 (161.93)	6-3/8 (161.93)	7-5/8 (193.68)	7-5/8 (193.68)
Speaker Dis.-cu. ft. (liter)	0.082 (2.32)	0.082 (2.32)	0.107 (3.03)	0.107 (3.03)
Sealed Box Vol.-cu. ft. (liter)	0.75 (21.24)	0.75 (21.24)	2.00 (56.63)	2.00 (56.63)
Vented Box Vol.-cu. ft. (liter)	1.75 (49.55)	1.75 (49.55)	2.50 (70.79)	2.50 (70.79)
Port Diameter & Length (in.)	(1) 4 x 11	(1) 4 x 11	(1) 4 x 9.4	(1) 4 x 9.4
Port Diameter & Length (cm)	(1) 10.16 x 27.94	(1) 10.16 x 27.94	(1) 10.16 x 23.88	(1) 10.16 x 23.88

Number of ports noted in ( )

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

Length of Warranty

Source Units, Speakers, Signal Processors and PUNCH Amplifiers – 1 Year POWER Amplifiers – 2 Years Type RF Amplifiers – 3 Years 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.

Ship to: Electronics

Rockford Corporation

Warranty Repair Department

2055 E. 5th Street

Tempe,AZ 85281

RA#:

Ship to: Speakers

Rockford Acoustic Design

Speaker Returns

3056 Walker Ridge Dr.

Walker, MI 49544

RA#:

Cher client,

Rockford Corporation

Warranty Repair Department

2055 E. 5th Street

Tempe,AZ 85281

RA#:

Rockford Acoustic Design

Speaker Returns

3056 Walker Ridge Dr.

Walker, MI 49544

RA# :

Estimado Cliente:

Rockford Corporation

Warranty Repair Department

2055 E. 5th Street

Tempe,AZ 85281

RA#:

Enviar a: Speakers

Rockford Acoustic Design

Speaker Returns

3056 Walker Ridge Dr.

Walker, MI 49544

RA#:

Rockford Corporation

Warranty Repair Department

2055 E. 5th Street

Tempe,AZ 85281

RA#:

Senden an: Speakers

Rockford Acoustic Design

Speaker Returns

3056 Walker Ridge Dr.

Walker, MI 49544

RA#:

Egregio cliente,

Rockford Corporation

Warranty Repair Department

2055 E. 5th Street

Tempe,AZ 85281

RA#:

Spedire a: Speakers

Rockford Acoustic Design

Speaker Returns

3056 Walker Ridge Dr.

Walker, MI 49544

RA#:

Rockford Fosgate®

Installation assistance available at:

RFTECH

www.rockfordfosgate.com/rftech

Rockford Fosgate

Rockford Corporation

546 South Rockford Drive

Tempe, Arizona 85281 U.S.A.

In U.S.A., [phone]

In Europe, Fax [phone]

In Japan, Fax [phone]

www.rockfordfosgate.com