Page 1
SUBZERO-12
2000 WATTS
Winner of the 2004
Design & Engineering Award
INNOVATIONS
INTERNATIONAL CES
1” = 2.54 cm
1 cubic foot = 1728 cubic inches
Grille Clearance: 2”
Displacement: .2 Cube Feet
Sealed design for SPL
#1
15"
SUBZERO-12"
15"
Outer dimension shown using 3/4" thick MDF.
Total outer box volume = 1.953 cubic feet.
Bass head design for competition
15"
#4
16"
16"
SUBZERO-12"
20.5"
2"
PORT (2"x14.5"x22")
Sealed design for low frequency extension
#2
16.5"
16.5"
Outer dimension shown using 3/4" thick MDF.
Total outer box volume = 2.2 cubic feet.
Bandpass design
SUBZERO-12"
#5
2"
18"
2”
PORT (2"x16.5"x4”)
4”
18"
18.5"
5"
18"
Sealed wedge design for hatch backs or other
#3
tight places.
127mm
5"
18”
16”
SUBZERO-12"
Outer dimension shown using 3/4" thick MDF
Total outer box volume = 2.4 cubic feet.
Cut out hole 292mm / 11 1/2"
16”
13”
Mounting
depth
185mm
7 1/4"
Outer dimension shown using 3/4" thick MDF.
Total outer box volume = 3.03 cubic feet.
Specifications are subject to change without notice
Outer dimension shown using 3/4" thick MDF.
Total outer box volume = 4.31 cubic feet
HANDCRAFTED IN USA.
Page 2
SUBZERO-12
2000 WATTS
Winner of the 2004
Design & Engineering Award
INNOVATIONS
INTERNATIONAL CES
1” = 2.54 cm
1 cubic foot = 1728 cubic inches
Grille Clearance: 2”
Displacement: .2 Cube Feet
Passive tuned design for deep bass small volume
#6
Drone Tuned Box
VB = 2 1/2 ft3
FB = optimized with
SLAPS-12 passive
Outer dimension shown using 3/4" thick MDF.
Bass head design for competition
#9
19"
16 1/2"
16"
Sealed design for tight bass
#7
14"
10 3/4 "
15”
Outer dimension shown using 3/4" thick MDF.
Total outer box volume = 1.306 cubic feet
Port tuned design for deep bass
Subzero-12
#10
14”
19"
9"
Sealed down firing design
#8
16”
Outer dimension shown using 3/4" thick MDF
Total outer box volume = 2.667 cubic feet
16”
18”
SUBZERO-12"
10”
3”
15”
Specifications are subject to change without notice
Subzero-12
PORT (3"x12.5"x16")
Internal dimensions
Outer dimension shown using 3/4" thick MDF.
Total outer box volume = 2.721 cubic feet
15”
Subzero-12
PORT (2"x12.5"x9")
Outer dimension shown using 3/4" thick MDF.
Total outer box volume = 2.309 cubic feet
Internal dimensions
HANDCRAFTED IN USA.
Page 3
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 and 8ohm
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.
VC #1
2-channel
2-ohm load
(voice coils in parallel)
(using 2 fuses)
VC #2
PP
S
- --
1
+ +
2
2
1
3mm
Hex-nut
cable
fasteners
PSP (Parallel Series Parallel) Terminal
2-channel
2 x 4-ohm load
(voice coils separated)
(no fuses)
VC #2
VC #1
PP
S
- --
1
+ +
2
2
1
1-channel
8-ohm load
(voice coils in series)
(1 fuse)
VC #2
VC #1
PP
S
- --
1
+ +
2
1
2
DO NOT
8-GAUGE
USE
MONO 2-OHMS
TYPICAL AMPLIFIER TERMINAL
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.
8-GAUGE
8-GAUGE
8-GAUGE
CH-1
TYPICAL AMPLIFIER TERMINAL
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.
8-GAUGE
CH-2
8-GAUGE
DO NOT
8-GAUGE
USE
MONO 8-OHMS
TYPICAL AMPLIFIER TERMINAL
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.
8-GAUGE
Page 4
Electro Mechanical Parameters
Name = EARTHQUAKE Subzero 12 (broken in) Xmax = 31.7500E-3 M
Note = VI MEASURMENTS Krm = 35.5980E-3 Ohm
Model = TSL Erm = 805.0000E-3
Domain = FreeAir Kxm = 237.3670E-3 H
Shape = Round Exm = 672.0000E-3
Profile = Cone Rms = 3.7712 N·S/M
Fmd = 3.0000 KA Mms = 243.5090E-3 Kg
Qmd = 1.0000 Cms = 144.8275E-6 M/N
Flp = 8.0000 KA Vas = 58.1062E-3 M³
Qlp = 2.0000 Fo = 26.8001 Hz
Znom = 8.0000 Ohm Qms = 10.8730
Revc = 7.7000 Ohm Qes = 0.4411
Sd = 53.0000E-3 M² Qts = 0.4239
Mmd = 236.4970E-3 Kg BL = 26.7542 T·M
Pmax = 1.0000E3 W Levc = 13.4777E-3 H
Rtvc = 250.0000E-3 °C/W SPLo = 85.8761 dB
Xgap = 12.7000E-3 M No = 243.1000E-3 %
Xcoil = 76.2000E-3 M
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