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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) Xmax (one way linear excursion, in.) Xmax (one way linear excursion, mm) Pe (continuous power handling, watts) 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 (mm) Mounting hole diameter (inches) Mounting depth (mm) Mounting depth (inches) Magnet Weight (Oz)

30.78 0.564 15.98 3.63 0.42 0.38 3.93 2x2 1.93 83 1.0 25 1500 3000 261.93 0.102 21.81 333.3 0.03333 51.6616 31-250 74

32.49 0.564 15.98 3.63 0.46 0.41 7.57 2x4 2.93 83 1.0 25 1500 3000 235.64 0.102 28.05 333.3 0.03333 51.6616 32-250 70

22.56 1.847 52.33 2.99 0.36 0.32 4.07 2x2 2.61 85 1.2 30 2000 4000 421.18 0.118 25.85 559.9 0.05599 86.78467 23-250 62

0.1268 238 9.37 214 8.425 263.7

0.15382 238 9.37 214 8.425 263.7

0.28931 292 11.496 261 10.276 445

Basket diameter (inches) Recommended Enclosures Typical sealed enclosure (cu. ft.) Vented enclosure (cu. ft.) Port tuning frequency (Hz) Port diameter (inside, in.) Equivalent square port (in.) Port length (in.) Enclosure Details

0.5 to 0.8 1.2 38 3.4 3x3 12

0.5 to 0.8 1.2 38 3.4 3x3 12

0.9 to 1.35 2 38 5 4.5x4.5 15

  • 1.

    Parameters listed are for conventional applications only, for further help please call Tech Audio Support

  • 2.

    1" MDF is recommended.

  • 3.

    Recommended enclosures are NET Box Volumes, speaker and port displacement are calculated into the

volume of the enclosure, you will not need to add these volumes to calculate GROSS volume for the enclosure.

*** Sub-sonic filters should always be used and adjusted specifically for vented box designs. NOTE: The woofer must face up or down only, especially in sealed enclosures. Specifications subject to change without notice © 2007 Directed Electronics, Inc. Vista, CA 92081 All rights reserved.

27307 12.2

SPECIFICATIONS

Directed Part Number 27302 Model Number 10.2

27304 10.4

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