EarthQuake SUBZERO-15 - User Manual

25”
20”
13 1/2"
3”
PORT (6"x16.5"x16.5")
Internal dimensions
18"
Subzero-15
SUBZERO-15
2500 WATTS
Winner of the 2004
Design & Engineering Award
INNOVATIONS
INTERNATIONAL CES
#1
Sealed design for tight bass
Outer dimension shown using 3/4" thick MDF.
#2
Passive tuned design for deep bass small volume
Outer dimension shown using 3/4" thick MDF.
#4
Bass head design for competition
Outer dimension shown using 3/4" thick MDF.
Outer dimension shown using 3/4" thick MDF
#3
Ported design
1” = 2.54 cm
1 cubic foot = 1728 cubic inches
Grille Clearance: 2”
Displacement: .3 Cube Feet
Cut out hole 369mm / 14 1/2"
Mounting
depth
220mm
8 3/4"
SUBZERO-15
17"
18”
15 "
Subzero-15
VB = 3 ft3
FB = optimized with
SLAPS-15 passive
Drone Tuned Box
23”
14”
5”
10 1/2”
18”
16 1/2”
HANDCRAFTED IN USA.
Specifications are subject to change without notice
FOR 44Hz Tuning: Port length equals 26”
FOR 60Hz Tuning: Port length equals 16 1/2”

Summary

Subwoofer Enclosure Designs

Sealed Design for Tight Bass

Presents a sealed enclosure option for tight bass response, detailing specific dimensions and MDF thickness.

Passive Tuned Design for Small Volume

Details a passive tuned enclosure with a drone-tuned box and optimized FB for deep bass in small volumes.

Ported Design

Illustrates a ported enclosure design with dimensions and outer construction details using thick MDF.

Bass Head Design for Competition

Outlines a bass head design for competition, including port length specs for 44Hz and 60Hz tuning.

Amplifier Wiring and Fusing

2-Ohm Parallel Wiring Configuration

Explains parallel wiring of dual voice coils for a 2-ohm load, using fuses for protection, connected to amplifier terminals.

4-Ohm Separate Coil Wiring

Details wiring voice coils separately for a 4-ohm load, powering them independently without fuses.

8-Ohm Series Wiring Configuration

Describes series wiring of voice coils for an 8-ohm load, utilizing a single fuse in the center.

Electro-Mechanical Parameters

EarthQuake SUBZERO-15 Specifications

General

Woofer Size	15 inches
Frequency Response	20Hz - 160Hz
Impedance	4 Ohms
Peak Power	3000 Watts
RMS Power	1000 Watts
Sensitivity	89 dB
Enclosure Type	Ported
Voice Coil	3 inches