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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)

23.98 1.847 52.33 2.99 0.42 0.37 7.76 2x4 3.67 85 1.2 30 2000 4000 372.77 0.118 32.07 559.9 0.05599 86.78467 24-250 57

23.72 4.01 113.68 2.99 0.46 0.40 4.08 2x2 2.59 88 1.2 30 2000 4000 517.86 0.087 26.03 962.1 0.09621 149.1258 24-250 51

24.73 7.23 113.68 2.99 0.52 0.44 7.23 2x4 3.68 88 1.2 30 2000 4000 476.42 0.087 32.15 962.1 0.09621 149.1258 24-250 48

0.30361 292 11.496 261 10.276 445

0.37704 383 15.079 294 11.575 445

0.33403 383 15.079 294 11.575 445

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.)

0.9 to 1.35 2 35 5 4.5x4.5 15

1.9 to 2.5 3.5 35 6.25 5.5x5.5 14.5

1.9 to 2.5 3.5 35 6.25 5.5x5.5 14.5

NOTE: Due to the high power capabilities and long excursion of these woofers, the Thiele/Small Parameters were calculated and measured using a Klippel analyzer system.

27314 15.4

SPECIFICATIONS (CONT’D)

Directed Part Number 27309 Model Number 12.4

27312 15.2

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