STX W.16.50.4.MC

Mid Bass

Nominal diameter6.5″ / 160 mm
Resonance66 Hz
Q factor1.01
Sensitivity86.9 dB
Linear excursion± 3 mm
Program power50 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 86.9dB
  • Frequency response 50 - 8000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 66Hz
  • Mechanical quality factor QMS 3.41
  • Electrical quality factor QES 1.42
  • Total quality factor QTS 1.01

Large signal parameters

  • Maximum linear excursion (one way) xmax 3mm
  • Maximum excursion before damage xlim 6mm
  • Air volume displaced at xmax VD 43cm³
  • Power handling P 30W
  • Program power Pmax 50W

Voice Coil

  • Nominal impedance Z 4Ω
  • DC resistance RE 3.4Ω
  • Inductance (1kHz) LE 0.32mH
  • VC Diameter 25mm
  • Winding material Copper
  • Former material Aluminium

Magnet

  • Force factor Bl 3.41N/A
  • Motor constant Bl/√RE 1.85N/√W
  • Material Ferrite

Diaphragm

  • Effective diameter 135mm
  • Effective area SD 143cm²
  • Moving mass (including air load) MMS 13.9g
  • Moving mass MMD 12.6g
  • Material Modified cellulose

Suspensions

  • Stiffness KMS 2.44N/mm
  • Compliance CMS 410µm/N
  • Equivalent volume to the compliance VAS 11.8L
  • Mechanical resistance RMS 1.69N·s/m

Dimensions

  • Nominal diameter 6.5
  • 160mm
  • Overall diameter 169mm
  • Baffle cutout diameter 145mm
  • Overall depth 70mm
  • Volume occupied by the driver (estimated) 0.28L
  • Net weight 0.7kg
  • Frame material Steel
STX W.16.50.4.MC SPL
STX W.16.50.4.MC Dimensions

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