SPECIFICATIONS
Model/Part Number
Thiele/Small Parameters
Fs (free-air resonance, Hz)
Vas (equivalent compliance, cu. ft.)
Vas (equivalent compliance, liters)
Qms (Q, mechanical)
Qes (Q, electrical)
Qts (total driver Q)
Re (DC resistance, ohms)
Z (nominal impedance, ohms)
Le (inductance, mh)
Efficiency (1W @ 1M, dB)
Efficiency (2.86 V @ 1M, dB)
Xmax (one way linear excursion, in.)
Xmax (one way linear excursion, mm)
Pe (continuous power handling, watts rms)
Peak power handling (music, watts) *
Mms (total moving mass, grams)
Cms (mechanical compliance, mm/N)
Bl (motor strength, Tesla-M)
Sd (effective radiating area, sq. cm.)
Sd (effective radiating area, sq. m.)
Sd (effective radiating area, sq. in.)
Frequency range (Hz)
Energy Bandwidth Product (EBP) **
Driver Physical Dimension
Speaker Displacement (cu ft)
Mounting hole diameter (inches/mm)
Mounting depth (inches/mm)
Magnet Weight (Oz)
Basket diameter (inches/mm)
Recommended Enclosures
Typical sealed enclosure (cu. ft.)
Vented enclosure (cu. ft.) ***
Port tuning frequency (Hz)
Port diameter (inside, inches)
Port square equivalent (inches)
Port length (inches)
Specifications are subject to change without notice
© 2010 directed electronics—all rights reserved
XTRPRO124
XTRPRO152
32.3
1.256
35.590
5.89
0.66
0.59
7.1
8
2.82
84.4
85.1
0.680
17.25
500
1000
214.58
0.113
21.62
471.435
0.047
73.100
32.3-500
23.4-500
49
0.091
10.91/277
13.85/352
6.46/164
7.48/190
96.00
12.28/312
15.27/388
1.50
1.50
40.00
4.00
3.545 x 3.545
3.545 x 3.545
11.26
XTRPRO154
23.4
28.7
3.464
3.207
98.130
90.860
5.49
5.93
0.67
0.84
0.61
0.73
4.2
7.2
4
1.96
3.05
86.3
85.9
89.2
86.9
0.680
0.680
17.25
17.25
500
500
1000
1000
296.76
290.58
0.114
0.106
16.57
21.18
779.311
779.311
0.078
0.078
120.839
120.839
28.7-500
35
34
0.143
0.143
13.85/352
7.48/190
96.00
96.00
15.27/388
2.00
2.00
3.00
3.00
36.00
36.00
4.00
4.00
3.545 x 3.545
5.42
5.42
8
15