Earthquake DB Specifications | Earthquake Sound DB-10, DB-15, DB-12

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:	DB-10	DB-12	DB-15
Frequency Response	26Hz - 1.3k	25Hz - 1.1k	23Hz - 1.1k

Electrical “Q” (Qes)	0.76	0.93	1.08

Mechanical “Q” (Qms)	8.35	8.44	9.33

Total Speaker “Q” (Qts)	0.70	0.93	0.96

One way linear excursion	.75 in. / 19.05mm	.75in. / 19.05mm	1 in. / 25.4 mm

Efficiency (1W/1M)	87 dB SPL	89 dB SPL	91 dB SPL

BL	11.1TM	11.2TM	12.4TM

VAS	30.5 Lit / 1.076ft3	62.2 Lit / 2.195ft3	95.4 Lit / 3.367ft3

Nominal Impedance	4-Ohm	4-Ohm	4-Ohm

Recommended Power	350 WRMS	400 WRMS	450 WRMS
Recommended Power	800 Watts MAX	1000 Watts MAX	1200 Watts MAX
	800 Watts MAX	1000 Watts MAX	1200 Watts MAX

CAUTION: Earthquake's DB subwoofers are capable of generating high sound pressure levels. You should exercise caution when operating our subwoofers and amplifiers. Long term exposures to high levels of sound pressure will cause permanent hearing damage. Sound pressure levels exceeding 85dB can be dangerous with constant exposure. Earthquake Sound Corporation does not assume liability for damages resulting from the direct use of DB or other Earthquake products , and urges users to play sound systems at moderate listening levels for every day use.

Specifications are subject to change without notice.

2	EARTHQUAKE SOUND • SUBWOOFER SPECIFICATION CHARTS

DB-10, DB-12, DB-15 specifications

Earthquake Sound is renowned for producing premium subwoofers that cater to audiophiles who demand high performance and powerful bass. Among their remarkable offerings are the DB-15, DB-10, and DB-12 subwoofers, each designed to deliver immersive audio experiences for home theater and music lovers alike.

The DB-15 is the flagship model in this series, featuring a 15-inch cone driver that generates thunderous bass while maintaining clarity and precision. With a power handling capacity of up to 3000 watts peak, the DB-15 can easily transform any space into a concert hall or theater. One of its standout technologies is the patented earthquake sound pressure balancing system, which minimizes distortion, allowing for an unparalleled listening experience. Its durable construction ensures longevity and reliability under heavy use.

Next in line is the DB-12, which offers a powerful 12-inch driver that delivers robust bass without compromising on sound quality. It features advanced cooling technology that prevents overheating during extended play, making it a suitable choice for both casual listeners and serious audiophiles. With a power output of 2000 watts peak, the DB-12 is capable of easily handling dynamic ranges in cinematic soundtracks and musical genres alike, bringing every note to life with clarity.

The DB-10, while slightly smaller with its 10-inch driver, doesn't fall short on performance. It’s designed for those who desire deep bass but may have space constraints. This model provides a balanced and punchy sound, making it ideal for smaller home theater setups. The DB-10 is also equipped with a rear-firing port that enhances low-frequency response, providing an impressive setup that can elevate sound experiences without requiring a large footprint.

All three models feature adjustable crossover frequencies and phase controls, allowing users to tailor the subwoofer's response to their specific needs. Each model also comes with various input options to ensure compatibility with different audio systems, providing flexibility in installation.

In conclusion, Earthquake Sound's DB-15, DB-12, and DB-10 subwoofers are designed with innovative technology and user-centric features. Whether you're a home theater enthusiast or a music lover, these subwoofers offer powerful bass, durability, and exceptional performance that will enhance your audio experiences.