Specifications

• Nominal diameter 320 mm (12.0 in)
• Nominal impedance 8 ohms
• Minimum impedance 6.5 ohms
• Nominal power handling 200 W
• Continuous power handling 400 W
• Sensitivity (1W/1m) 100.0 dB
• Frequency range 50 - 4000 Hz
• Voice coil diameter 64 mm (2.5 in)
• Winding material Aluminium
• Former material Glass Fibre
• Winding depth 13 mm (0.5 in)
• Magnetic gap depth 8 mm (0.31 in)
• Flux density 1.25 T

Design

• Surround shape Triple Roll
• Cone shape Exponential
• Magnet material Neodymium Inside Slug
• Spider Single
• Pole design Straight Pole
• Recommended enclosure 60.0 dm3 (2.12 ft3)
• Recommended tuning 60 Hz

Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.

• Fs 52 Hz
• Re 6.0 ohms
• Qes 0.35
• Qms 3.3
• Qts 0.32
• Vas 85.0 dm3 (3.0 ft3)
• Sd 522.0 cm2 (80.9 in2)
• Reference efficiency 3.3 %
• Xmax 4.0 mm
• Xvar 4.5 mm
• Mms 42 g
• Bl 14.9 Txm
• Le 1.1 mH
• EBP 148 Hz

Mounting and Shipping Info

• Overall diameter 315 mm (12.4 in)
• Bolt circle diameter 296 mm (11.6 in)
• Baffle cutout diameter 282.0 mm (11.1 in)
• Depth 144 mm (5.7 in)
• Flange and gasket thickness 13 mm (0.5 in)
• Net weight 2.1 kg (4.6 lb)
• Shipping weight 2.8 kg (6.2 lb)
• Shipping box 380x380x170 mm (15x15x6.7 in)