DB Drive EUPHORIA EW3 Manual de usuario

EUPHORIA : EW3

Dual 4 Ω Subwoofer

USER MANUAL

Installation Instructions | Owners Manual

Due to continuous improvement of the product, specifications are subject to change without notice.

Introduction

Congratulations on your purchase of a DB Drive state-of-the-art subwoofer. Your selection of a

DB Drive car audio product indicates a true appreciation of fine musical reproduction. Whether

adding to an existing system or including your DB Drive subwoofer in a new system, you are

certain to notice immediate performance benefits.

Keep Your Sales Receipt

Take this time to attach your sales receipt to the manual and put in a safe place. In case of any

unforeseen reason this product may need warranty service, your receipt will be necessary to

establish purchase date.

Recommendation

A power subwoofer’s performance is only as good as its installation. Proper installation will max-

imize the system’s overall performance. It is recommended that you have our product installed

by an authorized DB Drive retailer. However, if you decide to install it yourself, please carefully

read through this manual and take your time to do a quality installation.

IMPORTANT!

Before making any connections, disconnect the car’s battery until the installation is

completed to avoid possible damage to the electrical system.

WARNING!

Exposure to high power sound system can cause hearling loss or damange. Listening

to your system at loud levels while driving will impair your ability to hear traffic sounds

and emergency vehicles. Use common sense when listening to your system.

S e r i a l # ____________________________________ _M o d e l # ___________________________________

PRODUCT SPECIFICATIONS

TS Specs

EW3 10D4 EW3 12D4

Sensitivity 1W/1m) SPL 87.7 dB 89 dB

DC Resistance Re 3.20 Ω x 2 3.20 Ω x 2

Inductance Le 1.29 mH 1.25 mH

Free Air Resonance Fo 31.39 Hz 35.63 Hz

Equivalent Stiffeness Vas 49.41 Ltr 62.05 Ltr

Mechanical Q Qms 9.86 11.31

Electrical Q Qes 0.399 0.527

Total Q Qts 0.384 0.504

Moving Mass Mms 88.61 g 120.93 g

Motor Force BL 16.73 TM 18.25 TM

Cone Surface Area Sd 34.636m SqM 51.472m SqM

Linear Excursion (1-way) Xmax 8.5 mm 8.5 mm

Mechanical Excursion (Peak-Peak) Xmech 26 mm 29 mm

Driver Displacement Disp 0.0558 cuft 0.122 cuft

MECHANICAL MEASUREMENTS

EW3 10D4

EW3 12D4

10.12 in / 257 mm

5.50 in / 139.6 mm

9.11 in / 231.5 mm

6.26 in / 159 mm

5.47 in / 139 mm

6.02 in / 153 mm

12.18 in / 309.5 mm

5.50 in /139.6 mm

11.06 in /281 mm

6.70 in / 170.3 mm

5.84 in / 148.3 mm

6.41 in / 162.8 mm

CALCULATING ENCLOSURES

It is difficult to give exact box dimensions that are universal for all cars and trucks. It is for this

reason that you must be able to calculate the space in which you have available in order to achieve

the proper air volume required.

It is recommended to build your enclosure from 3/ 4” thick MDF (medium density fiberboard).

Make sure the enclosure is sealed airtight.

Calculating External Volume

To calculate box volume, measure the outside Width x Height x Depth of

the enclosure. Example 12” x 14” x 9”=1512 ÷ 1728” Cubic feet

Next you must convert cubic inches into cubic feet. To do this, you must

divide the cubic inches total by 1728”. Example 1512 ÷ 1828=.875 Cubic feet

Calculating Internal Volume

To calculate the internal (net) volume of the above box you must first multiply

the thickness of the wood you are using by Two(2). Example 3/4” x 2= 1.5“

Next subtract 1.5 from each of the outside measurements of the box.

Width Height Depth

12 - 1.5 = 10.5 14 - 1.5 = 12.5 9 - 1.5 = 7.5

Multiple the new totals (H x W x D) Example: 10.5 x 12.5 x 7.5 = .5696

Next you must convert cubic inches into cubic feet. To do this, you must

divide the cubic inch total by 1728”. Example 984.375 ÷ 1728=.5696

cubic feet.

RECOMMENDED ENCLOSURES

Sealed Box Range 7.5 - 1.5 cuft

Recomended Sealed Box .86 cuft

External Box Dimentions 15” W x 12” H x 12” D

Gross Internal Volume .86 cuft

Net Internal Volume .84 cuft

Sealed Box Range 1.1 - 2 cuft

Recomended Sealed Box 1.32 cuft

External Box Dimentions 16” W x 14” H x 14” D

Gross Internal Volume 1.32 cuft

Net Internal Volume 1.2 cuft

Vented Box Range 1 - 2 cuft

Recomended Sealed Box 1.43 cuft

External Box Dimentions 22” W x 13” H x 13” D

Gross Internal Volume 1.43 cuft

Net Internal Volume 1.4 cuft

Vent dimentions 3” Diameter

Vent surface area 3.14in2

vent length 8”

vent tuning 38Hz

Vented Box Range 1.25 - 2.25 cuft

Recomended Sealed Box 1.49 cuft

External Box Dimentions 18”W x 14” H x 14” D

Gross Internal Volume 1.49 cuft

Net Internal Volume 1.26 cuft

Vent dimentions 4” Diameter

Vent surface area 12.59in2

vent length 16”

vent tuning 38Hz

EW3 10D4

EW3 12D4

WIRING DIAGRAMS

8 Ohm

2 Ohm

4 Ohm

1 Ohm

2.6 Ohm

6 Ohm

LIMITED WARRANTY

DB Drive warrants any products purchased in the U.S.A.

from an authorized DB Drive dealer. All products are warranted to be free from

defects in material and workmanship under normal use and service for a peri-

od of one (1) year. This warranty applies to the original purchase only.

DB Drive will either repair or replace (as its option) any unit that has been

found to be defective and under warranty provided the defect occurs within

the one (1) year warranty period.

This limited warranty does not extend to units have been subjected to misuse,

abuse, neglect, or accident. In DB Drive’s judgment, products that show evi-

dence of having been altered, modified, or serviced without DB Drive’s authori-

zation, will be ineligible under this warranty.

To obtain warranty service please contact your retailer or visit our website at

www.dbdrive.net for more details.

302 Hanmore Industrial Parkway Harlingen, TX 78550

Phone (877) 787-0101 : Fax (956) 421-4513 : www.DBDrive.net

™

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