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12cla76rear_etc12cla76front12cla76rear_b
Continuous Power Handling
Voice Coil Diameter
Magnet Material
Careful optimization of our lightest woofer series, now offered with a high temperature copper-clad aluminum voice coil, is rewarded with higher sensitivity and smoother high frequency response. An efficiently designed motor makes these a good fit for many more applications, especially where flown, and manufacturing design means the CLA series can be price competitive with ferrite motor designs offering similar performance.
 
 
 
 

Features

  • 700 W continuous program power capacity
  • 76 mm (3 in) copper clad aluminum voice coil
  • 50 - 3000 Hz response
  • 98.5 dB sensitivity
  • Ventilated voice coil gap for reduced power compression

Specifications

  • Nominal Diameter320 mm (12.0 in)
  • Nominal Impedance8 Ω
  • Minimum Impedance6.1 Ω
  • Nominal Power Handling1350 W
  • Continuous Power Handling2700 W
  • Sensitivity398.5 dB
  • Frequency Range50 - 3000 Hz
  • Voice Coil Diameter76 mm (3.0 in)
  • Winding MaterialCCAW
  • Former MaterialGlass Fibre
  • Winding Depth16.0 mm (0.63 in)
  • Magnetic Gap Depth11.0 mm (0.43 in)
  • Flux Density1.2 T

Design

  • Surround ShapeTriple Roll
  • Cone ShapeExponential
  • Magnet MaterialNeodymium Inside Slug
  • SpiderSingle
  • Pole DesignStraight Pole
  • Woofer Cone TreatmentWP Waterproof Front Side
  • Recommended Enclosure40.0 dm3 (1.41 ft3)
  • Recommended Tuning60 Hz

Parameters4

  • Resonance Frequency52 Hz
  • Re5.1 Ω
  • Qes0.26
  • Qms4.9
  • Qts0.25
  • Vas56.0 dm3 (1.98 ft3)
  • Sd522.0 cm2 (80.91 in2)
  • η₀2.9 %
  • Xmax5.3 mm
  • Xvar6.5 mm
  • Mms64.0 g
  • Bl20.2 Txm
  • Le0.44 mH
  • EBP200 Hz

Mounting and Shipping Info

  • Overall Diameter313 mm (12.32 in)
  • Bolt Circle Diameter299 mm (11.77 in)
  • Baffle Cutout Diameter283.0 mm (11.14 in)
  • Depth143 mm (5.63 in)
  • Flange and Gasket Thickness9 mm (0.37 in)
  • Air Volume Occupied by Driver2.3 dm3 (0.08 ft3)
  • Net Weight3.4 kg (7.5 lb)
  • Shipping Units1
  • Shipping Weight4.3 kg (9.48 lb)
  • Shipping Box360x360x200 mm (14.17x14.17x7.87 in)

Service Kit

  • RCK12CLA768
  • 2 hours test made with continuous pink noise signal within the range Fs-10Fs. Power calculated on rated nominal impedance. Loudspeaker in free air.
  • Power on Continuous Program is defined as 3 dB greater than the Nominal rating.
  • Applied RMS Voltage is set to 2.83 V for 8 ohms Nominal Impedance.
  • Thiele-Small parameters are measured after a high level 20 Hz sine wave preconditioning test.
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