NOMINAL SPECIFICATIONS
Nominal Diameter: 80 mm (3 in)
Overall Diameter: 105.6/81 mm (4.16/3.19 in)
Bolt Circle Diameter: 92 mm (3.62 in)
Baffle Cutout Diameter: 73.6 mm (2.90 in)
Depth: 46 mm (1.81 in)
Flange and Gasket Thickness: 6.5 mm (0.26 in)
Net Weight: 240 g (0.53 lb)

TECHNICAL PARAMETERS
Nominal Impedance: 8 Ohm
Minimum Impedance: 6.2 Ohm
AES Power Handling: 20 W
Maximum Power Handling: 40 W
Sensitivity (1W/1m): 91 dB
Frequency Range: 100÷20000 Hz
Voice Coil Diameter: 19 mm (0.75 in)
Winding Material: Al
Former Material: Kapton
Winding Depth: 5 mm (0.20 in)
Magnetic Gap Depth: 4 mm (0.16 in)
Flux Density: 1.4 T
Magnet: Neodymium Ring
Basket Material: Steel
Demodulation: No
Cone Surround: Half Roll
NET Air Volume filled by Loudspeaker: 0.060 dm^3 (0.002 ft^3)
Spider Profile: 1x constant height waves

THIELE & SMALL PARAMETERS
Fs: 110 Hz
Re: 6.2 Ohm
Qes: 0.50
Qms: 5.0
Qts: 0.47
Vas: 1.10 dm^3 (0.04 ft^3)
Sd: 30.2 cm^2 (4.68 in^2)
Xmax: 1.83 mm
Xdamage: 7.3 mm
Mms: 2.5 g
Bl: 4.5 N/A
Le: 0.15 mH
Mmd: 2.4 g
Cms: 0.85 mm/N
Rms: 0.35 Kg/s
Eta Zero: 0.28 %
EBP: 220 H