EarthQuake DB-10, DB-12, DB-15 Installation & Reference Manual

Earthquake Sound Corporation • 2727 McCone Avenue Hayward, CA 94545 • Ph: [phone] Fax [phone]

www.earthquakesound.com

DB Subwoofer

&

Reference Manual

Installation

DB-10
DB-12
DB-15

Sound That Will Move You

EARTHQUAKE • DB SPECIFICATIONS

EARTHQUAKE SOUND • SUBWOOFER SPECIFICATION CHARTS2

Dear Valued Customer,

Earthquake Sound Corporation, located in Hayward California at the heart of the San
Francisco Bay Area; specializes in manufacturing high end car audio products ranging from the
smallest titanium tweeter to the world’s largest amplifier. In its dedication to excellence,

Earthquake has maintained extensive programs in research and development to provide you
with the highest quality mobile audio products.

This owners manual is designed to better acquaint you with Earthquake products and to guide
you through all phases of system design and application. It is imperative that you read this
manual in its entirety. Earthquake technicians and staff are looking forward to answering any
questions you might have.

CAUTION: Earthquake's DB subwoofers are

our subwoofers and amplifiers

hearing

damage

E

DB or other Earthquake products sound

systems for every day use.

capable of generating
high sound pressure levels. You should exercise caution when
operating . Long term exposures to
high levels of sound pressure will cause permanent

. Sound pressure levels exceeding 85dB can be
dangerous with constant exposure. arthquake Sound Corporation
does not assume liability for damages resulting from the direct use
of , and urges users to play

at moderate listening levels

DB SINGLE VOICE COIL SUBWOOFER SPECIFICATIONS

DRIVER:

Recommended Power

DB-15DB-10

350 WRMS
800 Watts MAX

DB-12

VAS

3

95.4 Lit / 3.367ft

3

30.5 Lit / 1.076ft

3

62.2 Lit / 2.195ft

Nominal Impedance

4-Ohm

4-Ohm

4-Ohm

Frequency Response

23Hz - 1.1k

26Hz - 1.3k

25Hz - 1.1k

Electrical “Q” (Qes)

1.080.76

0.93

Mechanical “Q” (Qms)

9.33

8.35

8.44

Total Speaker “Q” (Qts)

0.96

0.70

0.93

One way linear excursion

1 in. / 25.4 mm

.75 in. / 19.05mm

.75in. / 19.05mm

Efficiency (1W/1M)

91 dB SPL 87 dB SPL

89 dB SPL

BL

12.4TM11.1TM 11.2TM

400 WRMS
1000 Watts MAX

450 WRMS
1200 Watts MAX

Specifications are subject to change without notice.