Eminence KL3012CX-8

8Ω

Coaxial

Nominal diameter12″ / 305 mm
Resonance42 Hz
Q factor0.30
Sensitivity95.9 dB
Linear excursion± 7.5 mm
Program Power800 W
Discontinued
Eminence KL3012CX-8 CoaxialEminence KL3012CX-8 CoaxialEminence KL3012CX-8 Coaxial
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 95.9dB
  • Frequency response 40 - 3200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 42Hz
  • Mechanical quality factor QMS 8.37
  • Electrical quality factor QES 0.31
  • Total quality factor QTS 0.30

Large signal parameters

  • Maximum linear excursion xmax 7.5mm
  • Maximum excursion before damage xlim 17.8mm
  • Air volume displaced at xmax VD 407cm³
  • Power handling P 400W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 0.61mH
  • VC Diameter 76mm
  • Winding material Copper
  • Former material Glass Fiber

Magnet

  • Force factor Bl 16N/A
  • Motor constant Bl/√RE 6.71N/√W
  • Air gap height HAG 9.3mm
  • Weight 0.312kg
  • Material Neodymium

Diaphragm

  • Effective diameter 264mm
  • Effective area SD 545cm²
  • Moving mass MMS 54g
  • Moving mass (without air load) MMD 45g
  • Material Treated paper

Suspensions

  • Stiffness KMS 3.7N/mm
  • Compliance CMS 270µm/N
  • Equivalent volume to the compliance VAS 112L
  • Mechanical resistance RMS 1.7N·s/m
  • Surround material Sealed cloth

Dimensions

  • Nominal diameter 12″
  • 305mm
  • Overall diameter 314mm
  • Baffle cutout diameter 281mm
  • Overall depth 143mm
  • Volume occupied by the driver 1.53L
  • Net weight 3.31kg
  • Frame material Die-cast aluminum
SPL & Impedance
Eminence KL3012CX-8 SPL & Impedance
PDF fileDatasheet

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