EarthQuake Pro-X128, Pro-X158, Pro-X184 Installation & Reference Manual

Earthquake Sound Corporation •

2727 McCone Avenue Hayward, CA 94545 •

Ph: [phone] Fax [phone]

www.earthquakesound.com

The Sound That Will Move You

Pro-X

Professional

Woofers

(Pro-X128 / Pro-X158 / Pro-X184)

Installation

&

Reference Manual

Earthquake Sound Corporation •

2727 McCone Avenue Hayward, CA 94545 •

Ph: [phone] Fax [phone]

www.earthquakesound.com

INTRODUCTION / SPECIFICATIONS

- 2 -

DRIVER:

Recommended Power

Pro-X184Pro-X128

600 WRMS
1200 Watts MAX

Pro-X158

VAS

3

386Lt / 13.6ft

3

66Lt / 2.34ft3121Lt / 4.25ft

Nominal Impedance

4-Ohm

8-Ohm

8-Ohm

Free Air Resonance (Fs)

36 Hz

49 Hz

42 Hz

Electrical “Q” (Qes)

0.7320.362

0.506

Mechanical “Q” (Qms)

8.44

7.619

9.183

Total Speaker “Q” (Qts)

0.666

0.345

0.480

Xmax

1" / 25mm

1/2" / 12.7mm

3/4" / 19mm

Efficiency (1W/1M)

98 dB SPL 96 dB SPL

97.5 dB SPL

REVC

3.5 Ohm

6 Ohm 6 Ohm

BL

11.227TM

19.453TM

18.986TM

700 WRMS
1400 Watts MAX

800 WRMS
1600 Watts MAX

Pro-X128 ENCLOSURE DESIGNS

8 5/8” 220mm

12 1/4” 312mm

11 1/8” 284mm

4 13/16 122mm ”

Specifications are subject to change without notice.

#1

Sealed design for tight bass.
Sealed box recommendation:
1-1.25cu.ft.

14”

14”

9”

Pro-X128

Dimensions shown are external using 3/4” MDF

Dear Valued Customer,

Earthquake Sound Corporation, located in Hayward California; specializes in
manufacturing high end car audio products ranging from the smallest titanium
tweeter to the world’s largest amplifiers & subwoofers.

This owners manual is designed to better acquaint you with the Pro-X woofers
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 Pro-X woofers are

our

woofers and amplifiers

hearing damage

E

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

- 3 -

Voice Coil Size

4” / 100mm

4” / 100mm

4” / 100mm

#2

Port tuned design
for deep bass.
Ported box
recommendation:

1.5-1.75cu.ft.

17”

14“

12”

Pro-X128

Port

D : 4" iameter

Depth: 8”

Woofer Cut Out Diameter:

11 1/8” (284mm)

Woofer Mounting Depth:

4 13/16” (122mm)

Tuning Frequency: 50 Hz
Subwoofer Displacement: 280 Cubic Inches

Tuning Frequency: 40Hz
Port Displacement: 100 Cubic Inches
Subwoofer Displacement: 280 Cubic Inches