LaVoce CSF082.00K

Coaxial

Nominal diameter8″ / 200 mm
Resonance81 Hz
Q factor0.40
Sensitivity93.9 dB
Linear excursion± 5 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 93.9dB
  • Frequency response 75 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 81Hz
  • Mechanical quality factor QMS 3.48
  • Electrical quality factor QES 0.45
  • Total quality factor QTS 0.40

Large signal parameters

  • Maximum linear excursion xmax 5mm
  • Maximum excursion before damage xlim 9mm
  • Air volume displaced at xmax VD 110cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.9Ω
  • Inductance (1kHz) LE 0.46mH
  • VC Diameter 51mm
  • Winding height HVC 14mm
  • Winding material Edgewound CCA
  • Former material Glass Fiber

Magnet

  • Flux density B 1T
  • Force factor Bl 11N/A
  • Motor constant Bl/√RE 4.52N/√W
  • Air gap height HAG 8mm
  • Diameter 140mm
  • Height 22mm
  • Material Ferrite

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 220cm²
  • Moving mass MMS 17.9g
  • Moving mass (without air load) MMD 15.6g
  • Material Waterproof Treated Paper

Suspensions

  • Stiffness KMS 4.63N/mm
  • Compliance CMS 216µm/N
  • Equivalent volume to the compliance VAS 14.8L
  • Mechanical resistance RMS 2.62N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 8
  • 200mm
  • Volume occupied by the driver (estimated) 1.3L
  • Net weight 3.0kg
  • Frame material Steel
LaVoce CSF082.00K SPL & Impedance
LaVoce CSF082.00K Dimensions

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