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