Speaker Size (In):
10
12
15
18
Watts RMS:
1500
1500
1500
1500
Watts Peak:
4500
4500
4500
4500
Impedance:
D2 / D4
D2 / D4
D2 / D4
D2 / D4
VCD (In):
3
3
3
3
Piston Diameter (In):
8 1/2
10 1/4
12 3/4
15 1/2
Fs (Hz):
28.53
28.26
31.63
26.92
Qms:
3.786
4.344
5.485
6.79
Qes:
0.350
0.482
0.596
0.567
Qts:
0.321
0.434
0.538
0.523
Vas (Liters):
21.42
39.64
70.17
170.4
Xmech (MM):
80
80
80
80
Xmax (MM):
14
14
16
16
Frame OD (In):
N/A
12 5/8
15 3/8
18 3/8
Frame OD w/ Gasket (In):
10 5/8
12 7/8
15 9/16
18 1/2
Mounting Diameter (In):
9 5/16
11 3/8
13 7/8
16 5/8
Mounting Depth (In):
7 1/8
8 9/16
9 1/8
10 1/2
Motor Diameter (In):
7 3/4
7 3/4
7 3/4
7 3/4
Motor Depth (In):
3 1/2
3 1/2
3 1/2
3 1/2
Woofer Displacement (CuFt):
0.14
0.17
0.22
0.25
Ported Enclosure (CuFt):
1.25 - 1.5
1.75 - 2.75
3.0 - 5.0
6.0 - 8.0
Shipping Weight (Lbs):
36
38
43
43