SICA 8 Fe 2 CP

Woofer

Nominal diameter8″ / 210 mm
Resonance67 Hz
Q factor0.32
Sensitivity92.7 dB
Linear excursion± 4.5 mm
Program Power400 W
Ω°0102030405060101001 00010 000-180-120-60060120180Electrical ImpedanceElectrical Phase
mm05101520101001 00010 000Diaphragm ExcursionMaximum Linear Excursion
m/s0246810101001 00010 000Diaphragm Velocity
dB60708090100110120101001 00010 000SPL (1W, 1m, on axis)Maximum SPL
°-180-120-60060120180101001 00010 000Acoustical phase (1m, on axis)
ms051015202530101001 00010 000Group Delay (1m, on axis)
00.51-205101520Step response
-1-0.500.51-2010203040Response to a tone burst of Hz with cycles
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 92.7dB
  • Frequency response 65 - 3000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 67Hz
  • Mechanical quality factor QMS 2.27
  • Electrical quality factor QES 0.37
  • Total quality factor QTS 0.32

Large signal parameters

  • Maximum linear excursion xmax 4.5mm
  • Air volume displaced at xmax VD 96cm³
  • Power handling P 200W
  • Program power Pmax 400W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.1Ω
  • Inductance (1kHz) LE 0.78mH
  • VC Diameter 50mm
  • Winding height HVC 8mm
  • Winding material Copper
  • Former material Kapton

Magnet

  • Flux density B 1.2T
  • Force factor Bl 12.3N/A
  • Motor constant Bl/√RE 4.97N/√W
  • Weight 0.93kg
  • Material Ferrite

Diaphragm

  • Effective diameter 165mm
  • Effective area SD 214cm²
  • Moving mass MMS 21.7g
  • Moving mass (without air load) MMD 19.4g
  • Material Paper

Suspensions

  • Stiffness KMS 3.85N/mm
  • Compliance CMS 260µm/N
  • Equivalent volume to the compliance VAS 16.9L
  • Mechanical resistance RMS 4.02N·s/m
  • Surround material Treated Cloth

Dimensions

  • Nominal diameter 8
  • 210mm
  • Overall diameter 210mm
  • Baffle cutout diameter 184mm
  • Overall depth 93mm
  • Volume occupied by the driver (estimated) 0.96L
  • Net weight 2.8kg
  • Frame material Aluminium Die-Cast
SICA 8 Fe 2 CP SPL & Impedance
SICA 8 Fe 2 CP Dimensions

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