Tang Band W8-2145

Full-range

Nominal diameter8″ / 203 mm
Resonance40 Hz
Q factor0.45
Sensitivity92.3 dB
Linear excursion± 3 mm
Program Power80 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 92.3dB
  • Frequency response 40 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 40Hz
  • Mechanical quality factor QMS 1.65
  • Electrical quality factor QES 0.61
  • Total quality factor QTS 0.45

Large signal parameters

  • Maximum linear excursion xmax 3mm
  • Air volume displaced at xmax VD 66cm³
  • Power handling P 40W
  • Program power Pmax 80W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.8Ω
  • Inductance (1kHz) LE 0.011mH
  • VC Diameter 38.5mm

Magnet

  • Force factor Bl 6.59N/A
  • Motor constant Bl/√RE 2.53N/√W
  • Air gap height HAG 10mm
  • Material Ferrite

Diaphragm

  • Effective diameter 167mm
  • Effective area SD 220cm²
  • Moving mass MMS 15g
  • Moving mass (without air load) MMD 12.6g
  • Material Paper

Suspensions

  • Stiffness KMS 1.02N/mm
  • Compliance CMS 985µm/N
  • Equivalent volume to the compliance VAS 67.7L
  • Mechanical resistance RMS 2.28N·s/m
  • Surround material Structured Santoprene

Dimensions

  • Nominal diameter 8
  • 203mm
  • Volume occupied by the driver (estimated) 1.8L
  • Net weight 4.15kg
Tang Band W8-2145 SPL & Impedance
Tang Band W8-2145 Dimensions

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