SPECIFICATIONS
Model/Part Number | XTRPRO124 | XTRPRO152 | XTRPRO154 |
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Thiele/Small Parameters |
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Fs | 32.3 | 23.4 | 28.7 |
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Vas (equivalent compliance, cu. ft.) | 1.256 | 3.464 | 3.207 |
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Vas (equivalent compliance, liters) | 35.590 | 98.130 | 90.860 |
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Qms (Q, mechanical) | 5.89 | 5.49 | 5.93 |
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Qes (Q, electrical) | 0.66 | 0.67 | 0.84 |
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Qts (total driver Q) | 0.59 | 0.61 | 0.73 |
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Re (DC resistance, ohms) | 7.1 | 4.2 | 7.2 |
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Z (nominal impedance, ohms) | 8 | 4 | 8 |
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Le (inductance, mh) | 2.82 | 1.96 | 3.05 |
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Efficiency (1W @ 1M, dB) | 84.4 | 86.3 | 85.9 |
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Efficiency (2.86 V @ 1M, dB) | 85.1 | 89.2 | 86.9 |
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Xmax (one way linear excursion, in.) | 0.680 | 0.680 | 0.680 |
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Xmax (one way linear excursion, mm) | 17.25 | 17.25 | 17.25 |
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Pe (continuous power handling, watts) | 500 | 500 | 500 |
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Peak power handling (music, watts) * | 1000 | 1000 | 1000 |
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Mms (total moving mass, grams) | 214.58 | 405.83 | 290.58 |
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Cms (mechanical compliance, mm/N) | 0.113 | 0.114 | 0.106 |
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Bl (motor strength, | 21.62 | 16.57 | 21.18 |
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Sd (effective radiating area, sq. cm.) | 471.435 | 779.311 | 779.311 |
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Sd (effective radiating area, sq. m.) | 0.047 | 0.078 | 0.078 |
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Sd (effective radiating area, sq. in.) | 73.100 | 120.839 | 120.839 |
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Frequency range (Hz) | |||
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Energy Bandwidth Product (EBP) ** | 49 | 35 | 34 |
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Driver Physical Dimension |
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Speaker Displacement (cu ft) | 0.091 | 0.143 | 0.143 |
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Mounting hole diameter (inches/mm) | 10.91/277 | 13.85/352 | 13.85/352 |
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Mounting depth (inches/mm) | 6.46/164 | 7.48/190 | 7.48/190 |
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Magnet Weight (Oz) | 96.00 | 96.00 | 96.00 |
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Basket diameter (inches/mm) | 12.28/312 | 15.27/388 | 15.27/388 |
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Recommended Enclosures |
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Typical sealed enclosure (cu. ft.) | 1.50 | 2.00 | 2.00 |
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Vented enclosure (cu. ft.) *** | 1.50 | 3.00 | 3.00 |
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Port tuning frequency (Hz) | 40.00 | 36.00 | 36.00 |
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Port diameter (inside, inches) | 4.00 | 4.00 | 4.00 |
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Port square equivalent (inches) | 3.545 x 3.545 | 3.545 x 3.545 | 3.545 x 3.545 |
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Port length (inches) | 11.26 | 5.42 | 5.42 |
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Specifications are subject to change without notice
© 2008 directed | 15 |
