Thiele-Small Parameters

• Voice Coil DC Resistance RE 6.5?
• Resonance Frequency ƒS 77.0 Hz
• Mechanical Q Factor QMS 9.63
• Electrical Q Factor QES 1.36
• Total Q Factor QTS 1.18
• Mechanical Moving Mass MMS 42.0 g
• Mechanical Compliance CMS 103.0 µm/N
• Force Factor BxL 10.14 Wb/m
• Equivalent Acoustic Volume VAS 82.1 lt.
• Maximum Linear Displacement XMAX 1.0 mm
• Reference Efficiency nO 2.62 %
• Diaphragm Area SD 754.7 cm2
• Losses Electrical Resistance RES 50?
• Voice Coil Inductance @ 1kHz LE 0.90 mH
• Magnet AlNiCo
• Voice Coil Winding Copper
• Voice Coil Former Kapton
• Cone Paper
• Surround Integrated Paper
• Dust Dome Solid Paper
• Basket Pressed Sheet Steel

General Characteristics

• Nominal Overall Diameter 385 mm 15 in
• Nominal Voice Coil Diameter 38 mm 1.5 in
• Magnet Weight 826 g 29 oz
• Overall Weight 8.20 lbs
• Flux Density 1.26 T

Electrical Characteristics

• Nominal Impedance 8
• Rated Power 50 W
• Musical Power 100 W
• Sensitivity@1W,1m 96.8 Db