Thanks for buying our product!
Product information follows; please read it carefully to get the most out of your
subwoofers. Any questions, you can contact technical support:
This amount of RMS amplifi er power driving the subwoofer at maximum volume continuously
and
of the woofer is basically how many watts you can pump into it before it burns or melts:
means how far the cone can move before physical parts hit or deform (“bottoming out”). At very
Additionally, a clipped amplifi er can generate DC currents which will drive the subwoofers coil out of position: it may burn and/or
these vary from unit to unit and also according to measurement technique, so don’t get too hung
This spec is omitted because it is for mid frequencies and misleading for subwoofers.
Woofer Displacement Volume:
For standard drop in mounting, please subtract the subwoofer’s displacement volume from
Vance Dickason’s Loudspeaker Cookbook
contains tons of useful information and we highly recommended it
SP E C S A N D D I MENS I O NS
M
ode
l
:
Nominal Size
Outer Diameter (OD
)
Inner Diameter (ID
)
Mounting Depth
(MD)
Woofer Displacemen
t
Power Handling, RMS
Power Handling, Max
Magnet Siz
e
Voice Coil Siz
e / Material
Nominal Impedance (Z
)
D.C.Re
sistance (Re)
Re
sonance Frequency (Fs)
Tota
l Q (Qts)
Me
chanical Q (Qms)
Electrical Q (Qes)
Stiffness (Vas
)
Ex
cursion (Xmax)
Cone Area (Sd)
C
7
8
D
1
8"
8.66" / 220mm
7.28" / 185mm
5.5" / 140mm
.077ft3 / 2.18L
1000 Watts
2000 Watts
150 OZ
2.5" Aluminum | 4 Laye
r
43Hz
0.27
5.33
0.29
0.15ft
3
/ 4.2L
0.79" / 20mm pk-p
k
29.3in
2
/ 189cm
2
C
7
8
D
2
8"
8.66" / 220mm
7.28" / 185mm
5.5" / 140mm
.077ft3 / 2.18L
1000 Watts
2000 Watts
150 O
Z
2.5" Aluminum | 4 Laye
r
44Hz
0.27
4.45
0.29
0.15ft
3
/ 4.2L
0.79" / 20mm pk-pk
29.3in
2
/ 189cm
2
C
7
10
D
1
10"
10.5" / 267mm
9.29" / 236mm
7.48" / 190mm
.113ft3 / 3.21L
1200 Watts
2400 Watts
200 O
Z
3" Aluminum | 4 Laye
r
38Hz
0.44
5.88
0.47
0.35ft
3
/ 10L
1.14" / 29mm pk-pk
51.1in
2
/ 330cm
2
C
7
10
D
2
10"
10.5" / 267mm
9.29" / 236mm
7.48" / 190mm
.113ft3 / 3.21L
1200 Watts
2400 Watts
200 O
Z
3" Aluminum | 4 Laye
r
39Hz
0.36
6.08
0.38
0.35ft
3
/ 10L
1.14" / 29mm pk-pk
51.1in
2
/ 330cm
2
SP E C S A N D D I MENS I O NS
M
ode
l
:
Nominal Size
Outer Diameter (OD
)
Inner Diameter (ID
)
Mounting Depth (MD
)
Woofer Displacemen
t
Power Handling, RMS
Power Handling, Max
Magnet Siz
e
Voice Coil Siz
e / Material
Nominal Impedance (Z
)
D.C.Resistance (Re
)
Resonance Frequency (Fs)
Tota
l Q (Qts)
Mechanical Q (Qms
)
Electrical Q (Qes
)
Stiffness (Vas
)
Excursion (Xmax)
Cone Area (Sd)
C
7
12
D
1
12"
12.6" / 320mm
11.1" / 282mm
8.2" / 208mm
.136ft3 / 3.85L
1200 Watts
2400 Watts
200 OZ
3" Aluminum | 4 Laye
r
35Hz
0.44
5.58
0.48
0.88ft
3
/ 25L
1.26" / 32mm pk-pk
77.4in
2
/ 499cm
2
C
7
12
D
2
12"
12.6" / 320mm
11.1" / 282mm
8.2" / 208mm
.136ft3 / 3.85L
1200 Watts
2400 Watts
200 O
Z
3" Aluminum | 4 Laye
r
36Hz
0.41
6.33
0.43
0.88ft
3
/ 25L
1.26" / 32mm pk-p
k
77.4in
2
/ 499cm
2
C
7
15
D
1
15"
15.6" / 395mm
14.1" / 358mm
9.6” / 244m
m
.21f
t3 / 5.96L
1200 Watts
2400 Watts
200 O
Z
3" Aluminum | 4 Laye
r
31Hz
0.47
6.01
0.51
2.44ft
3
/ 69L
1.34" / 34mm pk-p
k
126.2in
2
/ 814cm
2
C
7
15
D
2
15"
15.6" / 395mm
14.1" / 358mm
9.6” / 244mm
.21ft
3
/ 5.96L
1200 Watts
2400 Watts
200 OZ
3" Aluminum | 4 Laye
r
32Hz
0.48
6.48
0.51
2.44ft
3
/ 69L
1.34" / 34mm pk-pk
126.2in
2
/ 814cm
2
BO X D E S IGN NO T E S
do offer some heat ventilation. Sound quality is less accurate, but often more powerful. The trade-
waves from the subwoofer start to simply cancel each other. If possible, build the box so you can do test listening before fi nal
with 1 pound (1/2 kilo) of 100% polyester such as pillow stuffi ng could let you shrink the sealed box 15% but keep basically the
Air in the box resists compression, like a spring. The port basically makes a plug of air, with a certain mass. The system
Rounding the port ends reduces distortion at lower volumes. At high SPL, the air just “jets” in and out and the
recommends the use of Precision Ports
for all round port applications. Precision
will increase SPL and reduce airfl ow turbulence at the entrance and exit of the port
with its unique fl are port design.
Sub Dimensions Sealed Box Ported Box
All enclosure recommendations are based on net enclosure volume.
:
ode
M
Internal Volume (Net)
l
RE C O MEND E D P O R T E D E N CLOS U R ES
10
7
C
8
7
0.65ft
D
3
1
C
0.65ft
3
2
D
8
7
C
1.5ft
1
D
3
C
1.5ft
3
2
D
10
7
Port Tuning Frequency
Port Area
Port Length
:
ode
M
Internal Volume (Net)
Port Tuning Frequency
Port Area
Port Length
l
38Hz
8 sq inches
17.75”
2
1
7
C
3
2.25ft
34Hz
25 sq inches
20”
D
38Hz
8 sq inches
17.75”
2
D
2
1
7
1
C
2.25ft
34Hz
25 sq inches
20”
3
34Hz
16 sq inches
18”
15
7
C
3
3.25ft
34Hz
32 sq inches
16”
D
1
34Hz
16 sq inches
18”
15
7
C
3.25ft
34Hz
32 sq inches
16”
D
3
2
DU A L V O ICE COI L W I R I NG OP TION S
Y
Y
All returns must be sent with an RA # on the outside of the box. Any and all products sent without
Crossfire’s warranty does not cover burned or open voice coils, lead wires,
ripped surrounds or folded cones. These are all immediate signs of abuse and over-powering.
It does not cover products driven over their mechanical limits
Defects or damage caused by accident, fire, flood, and lightning or other acts of God.
Defects or damage caused by abuse, misuse, or negligence.
Products with voice coils that have failed due to excessive power levels or clipping, i.e. burned
or open voice coils or burned lead wires.
Damage caused during shipping or handling. These claims are made with the Freight Company
Accessories or anything else attached to or to be used with Crossfire products
Products that have their serial numbers removed or altered.
Packing materials i.e. card board boxes, foam inserts, corners, peanuts, etc
Adjustments or alterations required for any reason.
Items subject to fatigue through normal wear and use.
Products, which has been altered or repaired by anyone other than Crossfire
All subwoofers that have been re-coned by Crossfire will continue under warranty until the full 1
www.crossfi recaraudio.com
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