SPECIFICATIONS
XTR8S
XTR8D
XTR10S
XTR10D
XTR12S
XTR12D
XTR15S
XTR15D
Parallel
Series
Parallel
Series
Parallel
Series
Parallel
Series
Nominal Impedance
4.0
Ω
2.0
Ω
8.0
Ω
4.0
Ω
2.0
Ω
8.0
Ω
4.0
Ω
2.0
Ω
8.0
Ω
4.0
Ω
2.0
Ω
8.0
Ω
RE (DC resistance)
3.6
Ω
1.8
Ω
7.3
Ω
3.4
Ω
2.0
Ω
7.9
Ω
3.4
Ω
2.0
Ω
7.9
Ω
3.5
Ω
2.0
Ω
7.8
Ω
Levc (coil inductace)
0.79mH
0.73mH
2.92mH
0.1.10mH
1.08mH
4.33mH
1.12mH
1.11mH
4.44mH
1.13mH
1.21mH
4.84mH
Sensitivity @ 2.84V/1m
91dB
95dB
89dB
92dB
96dB
90dB
93dB
97dB
91dB
95dB
98dB
92dB
Fs (free air resonance)
43Hz
38Hz
38Hz
31Hz
28Hz
28Hz
23Hz
23Hz
23Hz
19Hz
19Hz
19Hz
Qms (mechanical Q)
9.59
7.82
7.82
8.65
8.75
8.75
9.05
7.65
7.65
8.59
9.12
9.12
Qes (electrical Q)
0.51
0.33
0.33
0.42
0.30
0.30
0.47
0.30
0.30
0.43
0.29
0.29
Qts (total Q)
0.48
0.32
0.32
0.40
0.29
0.29
0.44
0.29
0.29
0.41
0.28
0.28
BL (force factor)
7.2 TM
6.6 TM
13.2 TM
9.2 TM
8.2 TM
16.4 TM
8.7 TM
8.5 TM
17.0 TM
9.5 TM
9.2 TM
18.4 TM
Sd (piston area)
200 sq. cm
200 sq. cm
200 sq. cm
325 sq. cm
325 sq. cm
325 sq. cm
500 sq. cm
500 sq. cm
500 sq. cm
825 sq. cm
825 sq. cm
825 sq. cm
31 sq. in.
31 sq. in.
31 sq. in.
50 sq. in.
50 sq. in.
50 sq. in.
78 sq. in.
78 sq. in.
78 sq. in.
128 sq. in.
128 sq. in.
128 sq. in.
Vas (volume acoustic suspension)
29 liters
30 liters
30 liters
72 liters
84 liters
84 liters
224 liters
220 liters
220 liters
686 liters
607 liters
607 liters
1.02 cu. ft.
1.06 cu. ft.
1.06 cu. ft.
2.55 cu. ft.
2.96 cu. ft.
2.96 cu. ft.
7.92 cu. ft.
7.78 cu. ft.
7.78 cu. ft.
24.24 cu. ft.
24.46 cu. ft.
24.46 cu. ft.
Xmax (linear excursion)
4.25mm
4.25mm
4.25mm
7.75mm
5.25mm
5.25mm
7.75mm
5.25mm
5.25mm
7.75mm
5.25mm
5.25mm
0.17 in.
0.17 in.
0.17 in.
0.31 in.
0.21 in.
0.21 in.
0.30 in.
0.21 in.
0.21 in.
0.31 in.
0.21in.
0.21 in.
Power (continuous thermal power handling)
175 watts
175 watts
175 watts
250 watts
250 watts
250 watts
250 watts
250 watts
250 watts
250 watts
250 watts
250 watts
Power (peak thermal power handling)
350 watts
350 watts
350 watts
500 watts
500 watts
500 watts
500 watts
500 watts
500 watts
500 watts
500 watts
500 watts
Outside Diameter
8.5 in.
8.5 in.
8.5 in.
10.5 in.
10.5 in.
10.5 in.
12. 5 in.
12.5 in.
12.5 in.
15.5 in.
15.5 in.
15.5 in.
216mm
216mm
216mm
267mm
267mm
267mm
318mm
318mm
318mm
394mm
394mm
394mm
Mounting Diameter
7.25 in.
7.25 in.
7.25 in.
9.187 in.
9.187 in.
9.187 in.
11.125 in.
11.125 in.
11.125 in.
13.875 in.
13.875 in.
13.875 in.
184mm
184mm
184mm
233mm
233mm
233mm
283mm
283mm
283mm
352mm
352mm
352mm
Mounting Depth
4.0 in.
4.0 in.
4.0 in.
4.75 in.
4.75 in.
4.75 in.
5.625 in.
5.625 in.
5.625 in.
6.75 in.
6.75 in.
6.75 in.
102mm
102mm
102mm
121mm
121mm
121mm
143mm
143mm
143mm
171mm
171mm
171mm
Basket Displacement
57 cu. in.
57 cu. in.
57 cu. in.
115 cu. in.
115 cu. in.
115 cu. in.
209 cu. in.
209 cu. in.
209 cu. in.
420 cu. in.
420 cu. in.
420 cu. in.
0.9 liters
0.9 liters
0.9 liters
1.9 liters
1.9 liters
1.9 liters
3.4 liters
3.4 liters
3.4 liters
6.9 liters
6.9 liters
6.9 liters
Voice Coil Diameter
1.5 in.
1.5 in.
1.5 in.
2.0 in.
2.0 in.
2.0 in.
2.0 in.
2.0 in.
2.0 in.
2.0 in.
2.0 in.
2.0 in.
38 mm
38mm
38mm
51mm
51mm
51mm
51mm
51mm
51mm
51mm
51mm
51mm
ENCLOSURE RECOMMENDATIONS
Sealed Enclosure Volume
0.30 cu. ft.
0.30 cu. ft.
0.65 cu. ft.
0.65 cu. ft.
1.60 cu. ft.
1.60 cu. ft.
2.50 cu. ft.
2.50 cu. ft.
8.5 liters
8.5 liters
18.4 liters
18.4 liters
45.3 liters
45.3 liters
70.8 liters
70.8 liters
Vented Enclosure Volume
0.75 cu. ft.
0.50 cu. ft.
1.25 cu. ft.
1.25 cu. ft.
2.75 cu. ft.
1.75 cu. ft.
3.50 cu. ft.
3.50 cu. ft.
21.2 liters
21.2 liters
35.4 liters
35.4 liters
77.8 liters
49.5 liters
99.1 liters
99.1 liters
Port Diameter (inside diameter)
3 in.
2 in.
3 in.
3 in.
4 in.
4 in.
(2) 4 in.
(2) 4 in.
76mm
51mm
76mm
76mm
102mm
102mm
102mm
102mm
Port Length
10 in.
8 in.
10 in.
10 in.
8.5 in.
11 in.
11 in.
11 in.
254mm
203mm
254mm
254mm
216mm
279mm
279mm
279mm
