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”

HOW TO WIRE / FUSE YOUR

SUBZERO TO AN AMPLIFIER

The Subzero subwoofer

comes equipped with 2

voice coils (dual 2x4

ohms), it can be used in

2 , 4 a n d 8 o h m

configurations. The

terminal comes equipped

with fused jumpers, the

voice coil can be easily

configured in series or in

parallel to match the

amplifier in use. It is just a

simple flip of a fuse,

here’s how it works.

PSP (Parallel Series Parallel) Terminal

VC #1

- --

+ +

DO NOT

USE

VC #2

MONO 2-OHMS

TYPICALAMPLIFIER TERMINAL

2-channel

2-ohm load

(voice coils in parallel)

(using 2 fuses)

8-GAUGE

3mm

Hex-nut

cable

fasteners

- --

+ +

VC #1

VC #2

CH-1 CH-2

TYPICALAMPLIFIER TERMINAL

2-channel

2 x 4-ohm load

(voice coils separated)

(no fuses)

8-GAUGE

- --

+ +

DO NOT

USE

VC #1

VC #2

MONO 8-OHMS

TYPICALAMPLIFIER TERMINAL

1-channel

8-ohm load

(voice coils in series)

(1 fuse)

8-GAUGE

The diagram -on the left side- shows

the PSP terminal in a 2-ohm parallel

configuration (both voice coils are

connected in parallel). Simply place

the 2 fuses in the outer positions in

the fuse placement area. Insert the

negative speaker wire to the far left

insert and one positive to the far right

insert.

This diagram shows the PSP terminal

in a 4-ohm configuration (the two

voice coils are separated). No fuses

are used in this configuration,the voice

coils are powered up separately.

The diagram - on the right side-displays

the PSP in an 8-ohm mode. You will

notice that there is only one fuse in

the center of the fuse placement area.

The voice coils are wired in series.

Insert the negative speaker wire to the

far left insert and one positive to the

far right insert.

Name = EARTHQUAKE SUB-ZERO 15 (broken in) Xmax = 31.7500E-3 M

Note = VI MEASURMENTS Krm = 35.4970E-3 Ohm

Model = TSL Erm = 800.0000E-3

Domain = FreeAir Kxm = 209.1940E-3 H

Shape = Round Exm = 677.0000E-3

Profile = Cone Rms = 4.4866 N·S/M

Fmd = 3.0000 KA Mms = 369.4390E-3 Kg

Qmd = 1.0000 Cms = 114.6000E-6 M/N

Flp = 8.0000 KA Vas = 129.6534E-3 M³

Qlp = 2.0000 Fo = 24.4600 Hz

Znom = 8.0000 Ohm Qms = 12.6551

Revc = 7.8000 Ohm Qes = 0.3095

Sd = 89.0000E-3 M² Qts = 0.3021

Mmd = 354.1806E-3 Kg BL = 37.8262 T·M

Pmax = 1.0000E3 W Levc = 12.4090E-3 H

Rtvc = 250.0000E-3 °C/W SPLo = 89.7098 dB

Xgap = 12.7000E-3 M No = 587.7000E-3 %

Xcoil = 76.2000E-3 M

Electro Mechanical Parameters

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