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© 2008 directed electronics—all rights reserved
SPECIFICATIONS
Model/Part Number
XTR102
XTR104
XTR122
Thiele/Small Parameters
Fs (free-air resonance, Hz)
23.4
25.3
22.4
Vas (equivalent compliance, cu. ft.)
1.396
1.245
2.920
Vas (equivalent compliance, liters)
39.550
35.260
82.710
Qms (Q, mechanical)
5.95
5.52
7.28
Qes (Q, electrical)
0.55
0.58
0.51
Qts (total driver Q)
0.50
0.52
0.48
Re (DC resistance, ohms)
4.2
7.8
4.3
Z (nominal impedance, ohms)
4
8
4
Le (inductance, mh)
1.81
2.93
1.84
Efficiency (1W @ 1M, dB)
81.4
81.8
84.4
Xmax (one way linear excursion, in.)
0.476
0.498
0.476
Xmax (one way linear excursion, mm)
12.075
12.65
12.075
Pe (continuous power handling, watts)
250
250
250
Peak power handling (music, watts) *
500
500
500
Mms (total moving mass, grams)
133.28
127.65
162.93
Cms (mechanical compliance, mm/N)
0.348
0.310
0.311
Bl (motor strength, Tesla-M)
12.18
16.51
13.86
Sd (effective radiating area, sq. cm.)
283.529
283.529
433.736
Sd (effective radiating area, sq. in.)
43.964
43.964
67.255
Frequency range (Hz)
20-250
20-250
20-250
Energy Bandwidth Product (EBP) **
42
44
44
Driver Physical Dimension
Speaker Displacement (cu ft)
0.05
0.05
0.077
Speaker Outer Diameter (inches/mm)
230.00
230.00
277.00
Mounting hole diameter (inches/mm)
9.06
9.06
10.91
Mounting depth (inches/mm)
5.00/127
5.00/127
5.98/152
Magnet Weight (Oz)
42.00
42.00
64.00
Basket diameter (inches/mm)
10.39
10.39
12.24
Recommended Enclosures
Typical sealed enclosure (cu. ft.)
1.00
1.00
1.50
Vented enclosure (cu. ft.) ***
1.00
1.00
1.50
Port tuning frequency (Hz)
40.00
40.00
40.00
Port diameter (inside, inches)
3.00
3.00
4.00
Port square equivalent (inches)
2.659 x 2.659
2.659 x 2.659
3.545 x 3.545
Port length (inches)
9.88
9.88
11.26
Specifi cations are subject to change without notice.
