Cast frame 3" coil woofer recommended for professional audio as a woofer in a 2/3way top box that requires extended low end or as a subwoofer.  Features an inside/outside voice coil winding for greater long term power handling and triple venting.  Glass loaded paper cone with weather-resistant impregnation.  Airflow vented magnet assembly for dynamic heat dispersion

Specifications

381mm/15in
Nominal Diameter
400W
Nominal Power Rating
8Ω
Rated Impedance
97dB
Sensitivity
Nominal Diameter
381mm/15in
Nominal Power Rating
400W
Additional Impedances
4
Continuous Power Rating
800W
Sensitivity
97dB
Rated Impedance
8Ω
Frequency Range
40Hz-4000Hz
Voice coil diameter (mm)
75mm
Voice coil diameter (in)
3in
Chassis Type
Cast aluminium
Magnet Type
Ferrite
Magnet Weight
2.3kg/81oz
Voice coil material
Round copper
Former Material
Glass fibre
Cone material
Glass loaded paper (weather-resistant)
Surround Material
Cloth-sealed
Suspension
Single
Xmax
5.5mm/0.22in
Gap Depth
9mm/0.35in
Voice coil winding width
20mm/0.79in

Small Signal Parameters

Sd
855.30cm2/132.57in2
Fs
45.90Hz
Mms
85.53g/3.02oz
Qms
3.409
Qes
0.426
Qts
0.379
Re
5.52Ω
Vas
145.75I/5.15ft3
BI
17.87Tm
Cms
0.14mm/N
Rms
7.23kg/s
Le (at 1kHz)
1.21mH

Mounting Information

Mounting slot dimensions
10mm x 7mm/0.39in x 0.27in Ø
Mounting slot PCD
365mm-375mm/14.37in-14.76in
Number of mounting slots
8
Overall Depth
161mm/6.34in
Overall Diameter (mm)
385mm
Overall Diameter (in)
15.16in
Cut-out diameter
351mm/13.82in
Unit Weight
6.4kg/14.1in

Packed Dimensions & Weight

Single pack size W x D x H
435mm x 435mm x 200mm/17.1in x 17.1in x 7.9in
Single pack weight
7.7kg/17.0lb
Multi Pack Qty
36
Multi pack size W x D x H
1210mm x 1050mm x 980mm/47.6in x 41.3in x 35.4in
Multi pack weight
260kg/570lb