Speaker Size (In):
12
15
18
Watts RMS:
2500
2500
2500
Watts Peak:
7500
7500
7500
Impedance:
D1 / D2
D1 / D2
D1 / D2
VCD (In):
4
4
4
Piston Diameter (In):
10.25
12.75
15.75
Fs (Hz):
34
34
27
Qms:
6.282
6.63
7.049
Qes:
0.601
0.669
0.8896
Qts:
0.548
0.608
0.7899
Vas (Liters):
18.84
62.66
155.3
Xmech (MM):
100
100
100
Xmax (MM):
31
31
31
Frame OD (In):
12.625
15.375
18.25
Frame OD w/ Gasket (In):
12.875
15.55
18.5
Mounting Diameter (In):
11.34
13.78
16.415
Mounting Depth (In):
11
11.5
12.5
Motor Diameter (In):
9.45
9.45
9.45
Motor Depth (In):
5.8
5.8
5.8
Ported Enclosure (CuFt):
1.75 - 3.0
3.0 - 6.0
5.0 - 7.0