Technical Parameters
Nominal Impedance: 8 Ohm
Minimum Impedance: 6.8 Ohm
AES Power Handling: 70 W
Maximum Power Handling: 140 W
Minimum Crossover Frequency: 1.3 kHz
Sensitivity (1W/1m): 109 dB
Frequency Range: 1.3÷20 kHz
Voice Coil Diameter: 44 mm (1.73 in)
Winding Material: Al
Former Material: Kapton
Diaphragm Material: Ketone Polymer
Diaphragm Shape: Annular
Winding Depth: 2.3 mm (0.09 in)
Magnetic Gap Depth: 2.6 mm (0.10 in)
Flux Density: 1.9 T
Magnet: Ferrite Ring
Re: 5.4 Ohm
Phase Plug Design: Annular
Exit Angle: Combined Exit
NET Air Volume filled by HF Driver: 0.5 dm^3 (0.018 ft^3)

Nominal Specifications
Throat Diameter: 25.4 mm (1 in)
Overall Diameter: 121 mm (4.76 in)
180° Mounting Holes Diameter (2xM6): 76 mm (2.99 in)
Depth: 75.4 mm (2.97 in)
Net Weight: 2.5 Kg (5.5 lb)