• Nominal overall diameter: 12"

• Magnet material: AlNiCo

• Lows: Loose

• Mids: Firm

• Highs: Bright

• Overdrive: Edgy / Crunchy

General Characteristics

• Nominal Overall Diameter 306 mm 12 in
• Nominal Voice Coil Diameter 25 mm 1 in
• Magnet Weight 200 g 7.0 oz
• Overall Weight 3.55 lbs
• Flux Density 0.96 T

Constructive Characteristics

• Magnet AlNiCo
• Voice Coil Winding Copper
• Voice Coil Former Kapton
• Cone Paper
• Surround Integrated Paper
• Dust Dome Solid Paper
• Basket Pressed Sheet Steel

Thiele-Small Parameters

• Voice Coil DC Resistance RE 6.00 
• Resonance Frequency ƒS 80.0 Hz
• Mechanical Q Factor QMS 12.73
• Electrical Q Factor QES 2.09
• Total Q Factor QTS 1.79
• Mechanical Moving Mass MMS 20.3 g
• Mechanical Compliance CMS 196 µm/N
• Force Factor BxL 5.55 Wb/m
• Equivalent Acoustic Volume VAS 66.4 lt.
• Maximum Linear Displacement XMAX 1.0 mm
• Reference Efficiency nO 1.56 %
• Diaphragm Area SD 490.8 cm2
• Losses Electrical Resistance RES 39.0 ?
• Voice Coil Inductance @ 1kHz LE 0.50 mH