LaVoce CPF082.00K

Coaxial

Nominal diameter8″ / 200 mm
Resonance93 Hz
Q factor0.46
Sensitivity93.5 dB
Linear excursion± 3.3 mm
Program power400 W
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 93.5dB
  • Frequency response 90 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 93Hz
  • Mechanical quality factor QMS 4.07
  • Electrical quality factor QES 0.52
  • Total quality factor QTS 0.46

Large signal parameters

  • Maximum linear excursion (one way) xmax 3.3mm
  • Maximum excursion before damage xlim 7.3mm
  • Air volume displaced at xmax VD 73cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.9Ω
  • Inductance (1kHz) LE 0.43mH
  • VC Diameter 51mm
  • Winding height HVC 10.7mm
  • Winding material EdgeWound CCA
  • Former material Glass fiber

Magnet

  • Flux density B 1T
  • Force factor Bl 10.9N/A
  • Motor constant Bl/√RE 4.49N/√W
  • Air gap height HAG 8mm
  • Diameter 140mm
  • Height 22mm
  • Material Ferrite

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 220cm²
  • Moving mass (including air load) MMS 18.1g
  • Moving mass MMD 16.5g
  • Material Water proof treated paper

Suspensions

  • Stiffness KMS 6.41N/mm
  • Compliance CMS 162µm/N
  • Equivalent volume to the compliance VAS 11.1L
  • Mechanical resistance RMS 1.92N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 8
  • 200mm
  • Volume occupied by the driver 1.1L
  • Net weight 2.9kg
  • Frame material ABS
LaVoce CPF082.00K SPL & Impedance
LaVoce CPF082.00K Dimensions

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