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AUDIO DESIGN
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T2
User Manual
8 pgs6.81 Mb0

AUDIO DESIGN T2 User Manual

Installation & Operation
T2
-
DVC - DUAL V
OICE
COIL
SUBWOOFERS
Serial Number: Date of Purchase:
Length of Warranty
Speakers – 1 Year. 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
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
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
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
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
EU Warranty
2010 Rockford Corporation. All rights reserved.
Rockford Fosgate, the Rockford Fosgate logo, and the POWER logo are either
registered trademarks or trademarks of Rockford Corporation.
LIMITED WARRANTY STATEMENT
Check our website for additional information and
updates on these products.
www.RockfordFosgate.com
12" 15"
Dual 2-Ohm T2D212 T2D215
Dual 4-Ohm T2D412 T2D415
Printed in China
23/02 B.M.
1230-56261-01
S
AFETY
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.
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 adn/or possible injury.
R
ECOMMENDEDENCLOSURES
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
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.
DESIGN FEATURES
These woofers were designed for use primarily in 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.
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
CARTON CONTENTS
• (1) Power DVC Subwoofer
• (1) Trim ring
• (4) Socket head trim ring screws
• (8) Socket head wood screws
• (1) Socket head driver bit
• (1) Installation & operation manual
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.
2
V EENTED NCLOSURES
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 Enclosure Sizes
W
D
P
VENTED ENCLOSURES 12" 15"
T2D212 / T2D412 T2D215 / T2D415
Vb- Internal Area cu. ft. 2.0 2.75
Fb- Tuning Frequency (Hz) 40.0 36.0
F3- -3dB Point (Hz) 32.0 29.0
H - Height-inch 16.5 17.5
H
)mc(
W - Width-inch 25.5 27.5
)mc(
D - Depth-inch 12.5 15.25
)mc(
P - Port Diameter and
Length-inch (3) 3 x 14 (1) 6 x 17 (cm) (3) (7.62 x 35.56) (1) (15.24 x 43.18)
(77.87)(56.63))retiL(
(44.45)(41.91)
(69.85)(64.77)
(38.74)(31.75)
SEALED ENCLOSURES 12" 15"
T2D212 / T2D412 T2D215 / T2D415
Vb- Internal Area cu. ft. 1.0 2.0
(56.63)(28.32))retiL(
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.
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.
“ H
IGH OUTPUT
” S
LOT LOADED ENCLOSURES
VENTED ENCLOSURES 12" 15"
T2D212 / T2D412 T2D215 / T2D415
Vb- Box Volume Net / Gross - cu. ft. 2.25 / 3.12 3.25 / 4.22
(92.03 / 119.50)(63.71 / 88.35))retiL(
Fb- Tuning Frequency (Hz) 40.0 38.0
A - Width-inch 30.0 30.0
)mc(
B - Height-inch 15.25 18.0
)mc(
C - Depth-inch 15.25 17.0
)mc(
E
3/4" MDF
D
F
C
A
D - Port area and
Length-inch (1) 3 x 13.75 x 25.75 (1) 3 x 16.5 x 22.5 (cm) (1) (7.62 x 34.93 x 65.41) (1) (7.62 x 41.91 x 57.15)
E - Length-inch 14.25 9.25
)mc(
F - Mounting Diameter-inch 10-13/16 13-13/16
)mc(
Cut List
Baffle / Back-inch
)mc(
Top / Bottom-inch 30 x 13.75 30 x 15.5
)mc(
B
Ends -inch 13.75 x13.75 15.5 x 16.5
)mc(
Port -inch 13.75 x 13.5 - 13.75 x10.75 8.5 x 16.5 - 12.5 x 16.5
)mc(
Number of ports noted in ( )
30 x 15.25 30 x 18
(21.59 x 41.91 - 31.75 x 41.91)(34.93 x 34.29 - 34.93 x 27.31)
Specifications subject to change without notice
(76.20)(76.20)
(45.72)(38.74)
(43.18)(38.74)
(23.50)(36.20)
(35.08)(27.46)
(76.20 x 45.72)(76.20 x 38.74)
(76.20 x 39.37)(76.20 x 34.93)
(39.37 x 41.91)(34.93 x 34.93)
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