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General Characteristics
Nominal Overall Diameter 306 mm 12 in
Nominal Voice Coil Diameter 32 mm 1.25 in
Magnet Weight 426 g 15 oz
Overall Weight 4.05 lbs
Flux Density 1.10 T
Thiele-Small Parameters
Voice Coil DC Resistance RE 6.30 Ω
Resonance Frequency ƒS 82 Hz
Mechanical Q Factor QMS 7.5
Electrical Q Factor QES 1.73
Total Q Factor QTS 1.4
Mechanical Moving Mass MMS 29.4 g
Mechanical Compliance CMS 129 µm/N
Force Factor BxL 7.43 Wb/m
Equivalent Acoustic Volume VAS 43.6 lt.
Maximum Linear Displacement XMAX 1.5 mm
Reference Efficiency nO 1.33 %
Diaphragm Area SD 490.9 cm2
Losses Electrical Resistance RES 28 Ω
Voice Coil Inductance @ 1kHz LE 0.66 mH
Constructive Characteristics
Magnet Ferrite
Voice Coil Winding Copper
Voice Coil Former Epotex
Cone Paper
Surround Integrated Paper
Dust Dome Non Treated Cloth
Basket Pressed Sheet Steel
Electrical Characteristics
Nominal Impedance 16 OHM
Rated Power 50 W
Musical Power 100 W
Sensitivity@1W,1m 94.3 dB
$ 74.00
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