• 500 W continuous program power capacity
• 64 mm (2.5 in) aluminium voice coil
• 50 – 4000 Hz response
• 101 dB sensitivity

Specifications

• Nominal Diameter
  320 mm (12 in)
• Nominal Impedance
  8 ohm
• Minimum Impedance
  6.7 ohm
• Nominal Power Handling (AES)
  250 W
• Continuous Power Handling
  500 W
• Sensitivity (1W/1m)
  101 dB
• Frequency Range
  50 - 4000 Hz
• Voice Coil Diameter
  65 mm (2.5 in)
• Winding Material
  Aluminium
• Former Material
  Glass Fibre
• Magnet Material
  Ceramic Ring
• Winding Depth
  12 mm (0.5 in)
• Magnetic Gap Depth
  7 mm (0.28 in)
• Flux Density
  1.4 T

Parameters

• Fs
  51 Hz
• Re
  5.8 ohm
• Qes
  0.19
• Qms
  7.6
• Qts
  0.18
• Vas
  101 dm³ (3.56 ft³)
• Sd
  522 cm² (80.90 in²)
• η₀
  6.8 %
• Xmax
  ± 2.8 mm
• Xvar
  ± 5 mm
• Mms
  37 g
• Bl
  19.1 Txm
• Le
  1.2 mH

Mounting and Shipping info

• Overall Diameter
  316 mm (12.4 in)
• Bolt Circle Diameter
  296 mm (11.6 in)
• Baffle Cutout Diameter
  282 mm (11.1 in)
• Depth
  135 mm (5.3 in)
• Flange and Gasket Thickness
  16 mm (0.62 in)
• Net Weight
  7.6 kg (16.7 lb)
• Shipping Weight
  8.4 kg (18.7 lb)
• Shipping Box
  380x380x180 mm (15x15x6.7 in)

Design

• Surround Shape
  Triple Roll
• Cone Shape
  Exponential
• Magnet Type
  Ceramic Ring
• Spider
  Single
• Pole Design
  Straight Pole