STX W.22.200.8.MCX_v4

Woofer

Nominal diameter8″ / 220 mm
Resonance26 Hz
Q factor0.39
Sensitivity87.8 dB
Linear excursion± 5 mm
Program power200 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 87.8dB
  • Frequency response 40 - 6000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 26Hz
  • Mechanical quality factor QMS 2.45
  • Electrical quality factor QES 0.46
  • Total quality factor QTS 0.39

Large signal parameters

  • Maximum linear excursion (one way) xmax 5mm
  • Maximum excursion before damage xlim 11mm
  • Air volume displaced at xmax VD 107cm³
  • Power handling P 100W
  • Program power Pmax 200W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.0Ω
  • Inductance (1kHz) LE 0.29mH
  • VC Diameter 35mm
  • Winding material Drut termospiekalny miedziany
  • Former material Aluminium

Magnet

  • Force factor Bl 6.1N/A
  • Motor constant Bl/√RE 2.73N/√W
  • Material Ferryt

Diaphragm

  • Effective diameter 165mm
  • Effective area SD 214cm²
  • Moving mass (including air load) MMS 21.7g
  • Moving mass MMD 19.2g
  • Material Modyfikowana celuloza

Suspensions

  • Stiffness KMS 0.559N/mm
  • Compliance CMS 1790µm/N
  • Equivalent volume to the compliance VAS 117L
  • Mechanical resistance RMS 1.45N·s/m

Dimensions

  • Nominal diameter 8
  • 220mm
  • Overall diameter 228mm
  • Baffle cutout diameter 184mm
  • Overall depth 93mm
  • Volume occupied by the driver (estimated) 0.79L
  • Net weight 1.9kg
  • Frame material Stal
STX W.22.200.8.MCX_v4 SPL
STX W.22.200.8.MCX_v4 Dimensions

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