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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.