STX W.38.800.8.MC

Woofer

Nominal diameter15″ / 380 mm
Resonance28 Hz
Q factor0.24
Sensitivity94.2 dB
Linear excursion± 8 mm
Program power800 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 94.2dB
  • Frequency response 30 - 1000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 28Hz
  • Mechanical quality factor QMS 3.71
  • Electrical quality factor QES 0.27
  • Total quality factor QTS 0.24

Large signal parameters

  • Maximum linear excursion (one way) xmax 8mm
  • Maximum excursion before damage xlim 26mm
  • Air volume displaced at xmax VD 684cm³
  • Power handling P 500W
  • Program power Pmax 800W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.7Ω
  • Inductance (1kHz) LE 3.68mH
  • VC Diameter 75mm
  • Winding material Copper
  • Former material Aluminium

Magnet

  • Force factor Bl 23N/A
  • Motor constant Bl/√RE 9.63N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 330mm
  • Effective area SD 855cm²
  • Moving mass (including air load) MMS 136g
  • Moving mass MMD 119g
  • Material Modified cellulose

Suspensions

  • Stiffness KMS 4.17N/mm
  • Compliance CMS 240µm/N
  • Equivalent volume to the compliance VAS 247L
  • Mechanical resistance RMS 6.45N·s/m

Dimensions

  • Nominal diameter 15
  • 380mm
  • Overall diameter 388mm
  • Baffle cutout diameter 362mm
  • Overall depth 183mm
  • Volume occupied by the driver (estimated) 3.8L
  • Net weight 6.5kg
  • Frame material Aluminium
STX W.38.800.8.MC SPL
STX W.38.800.8.MC Dimensions

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