Sound That Will Move You
DB Subwoofer
Installation
&
Reference Manual
DB-10
DB-12
DB-15
www.earthquakesound.com
Earthquake Sound Corporation • 2727 McCone Avenue Hayward, CA 94545 • Ph: (510) 732-1000 Fax (510) 732-1095
EARTHQUAKE • DB SPECIFICATIONS
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.
DB SINGLE VOICE COIL SUBWOOFER SPECIFICATIONS
DRIVER:
Frequency Response
Electrical “Q” (Qes)
Mechanical “Q” (Qms)
Total Speaker “Q” (Qts)
One way linear excursion
Efficiency (1W/1M)
26Hz - 1.3k
8.35
0.70
.75 in. / 19.05mm
DB-12
25Hz - 1.1k
0.93
8.44
0.93
.75in. / 19.05mm
89 dB SPL
DB-15DB-10
23Hz - 1.1k
1.080.76
9.33
0.96
1 in. / 25.4 mm
91 dB SPL 87 dB SPL
CAUTION: Earthquake's DB subwoofers are
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
damage
dangerous with constant exposure. arthquake Sound Corporation
our subwoofers and amplifiers
hearing
. Sound pressure levels exceeding 85dB can be
E
does not assume liability for damages resulting from the direct use
of , and urges users to play
DB or other Earthquake products sound
systems for every day use.
at moderate listening levels
BL
VAS
Nominal Impedance
Recommended Power
30.5 Lit / 1.076ft
4-Ohm
350 WRMS
800 Watts MAX
3
62.2 Lit / 2.195ft
4-Ohm
400 WRMS
1000 Watts MAX
3
12.4TM11.1TM 11.2TM
95.4 Lit / 3.367ft
4-Ohm
450 WRMS
1200 Watts MAX
3
Specifications are subject to change without notice.
EARTHQUAKE SOUND • SUBWOOFER SPECIFICATION CHARTS2