LaVoce CSF122.50K

Coaxial

Nominal diameter12″ / 300 mm
Resonance47 Hz
Q factor0.42
Sensitivity95.3 dB
Linear excursion± 6.3 mm
Program Power600 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 95.3dB
  • Frequency response 45 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 47Hz
  • Mechanical quality factor QMS 5.80
  • Electrical quality factor QES 0.45
  • Total quality factor QTS 0.42

Large signal parameters

  • Maximum linear excursion xmax 6.3mm
  • Maximum excursion before damage xlim 10.3mm
  • Air volume displaced at xmax VD 332cm³
  • Power handling P 300W
  • Program power Pmax 600W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.8Ω
  • Inductance (1kHz) LE 0.46mH
  • VC Diameter 65mm
  • Winding height HVC 16.6mm
  • Winding material Edgewound CCA
  • Former material Glass Fiber

Magnet

  • Flux density B 1.12T
  • Force factor Bl 13.9N/A
  • Motor constant Bl/√RE 5.77N/√W
  • Air gap height HAG 8mm
  • Diameter 185mm
  • Height 22mm
  • Material Ferrite

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 531cm²
  • Moving mass MMS 50.8g
  • Moving mass (without air load) MMD 42.4g
  • Material Waterproof Treated Paper

Suspensions

  • Stiffness KMS 4.35N/mm
  • Compliance CMS 230µm/N
  • Equivalent volume to the compliance VAS 89.8L
  • Mechanical resistance RMS 2.59N·s/m
  • Surround material Polycotton

Dimensions

  • Nominal diameter 12
  • 300mm
  • Volume occupied by the driver 3L
  • Net weight 5.6kg
  • Frame material Steel
LaVoce CSF122.50K SPL & Impedance
LaVoce CSF122.50K Dimensions

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