SPECIFICATIONS
THIELE-SMALL PARAMETERS (WOOFER)
Nominal diameter . 305 (12) mm(in)
Nominal Impedance. 8
Minimumimpedance @ 236 Hz. 6.9
Power handling
Musical Program. 500 W
Sensitivity (1W/1m) averaged from 100 to 10,000 Hz. 94 dB SPL
Frequency response @ -10 dB. 55 to 18,000 Hz
Fs. 47 Hz
Vas. 93 (3.28) l (ft )
Qts. 0.46
Qes. 0.52
Qms. 4.49
o (half space). 1.79 %
Sd. 0.0510 (79.1) m (in )
Vd (Sd x Xmax). 63.75 (3.89) cm (in )
L. 12.8 Tm
Re. 6.3
Le @ Fs (voice coil inductance @ Fs). 2.287 mH
Le @ 1 kHz (voice coil inductance @ 1 kHz). 0.863 mH
Le @ 20 kHz (voice coil inductance@20 kHz). 0.334 mH
Red @ Fs. 0.16
Red @ 1 kHz. 2.26
Red @ 20 kHz. 30.03
Krm. 1.191 m
Kxm. 13.833 mH
Erm. 0.863
Exm. 0.683
Xmax (max. excursion (peak) with 10%distortion). 3.0 (0.12) mm(in)
Xlim(max.excursion (peak) before physical damage). 9.5 (0.37) mm(in)

Brian