STX W.15.140.8.MCX

Mid Bass

Nominal diameter6″ / 150 mm
Resonance45 Hz
Q factor0.36
Sensitivity86.7 dB
Linear excursion± 4 mm
Program power140 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 86.7dB
  • Frequency response 50 - 10000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 45Hz
  • Mechanical quality factor QMS 1.74
  • Electrical quality factor QES 0.46
  • Total quality factor QTS 0.36

Large signal parameters

  • Maximum linear excursion (one way) xmax 4mm
  • Maximum excursion before damage xlim 10mm
  • Air volume displaced at xmax VD 35cm³
  • Power handling P 70W
  • Program power Pmax 140W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 5.1Ω
  • Inductance (1kHz) LE 0.25mH
  • VC Diameter 25mm
  • Winding material Copper
  • Former material Aluminum

Magnet

  • Force factor Bl 5.1N/A
  • Motor constant Bl/√RE 2.26N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 105mm
  • Effective area SD 87cm²
  • Moving mass (including air load) MMS 8.3g
  • Moving mass MMD 7.6g
  • Material Modified cellulose

Suspensions

  • Stiffness KMS 0.662N/mm
  • Compliance CMS 1510µm/N
  • Equivalent volume to the compliance VAS 16L
  • Mechanical resistance RMS 1.35N·s/m

Dimensions

  • Nominal diameter 6
  • 150mm
  • Overall diameter 151mm
  • Baffle cutout diameter 124mm
  • Overall depth 74mm
  • Volume occupied by the driver (estimated) 0.41L
  • Net weight 1.3kg
  • Frame material Steel
STX W.15.140.8.MCX SPL
STX W.15.140.8.MCX Dimensions

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