Tang Band W4-2356

Full-range

Nominal diameter4″ / 102 mm
Resonance70 Hz
Q factor0.45
Sensitivity85.3 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
  • Sensitivity (1W, 1m, infinite baffle) SPL1W 85.3dB
  • Frequency response 70 - 20000Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 70Hz
  • Mechanical quality factor QMS 1.83
  • Electrical quality factor QES 0.59
  • Total quality factor QTS 0.45

Large signal parameters

  • Maximum linear excursion xmax 3mm
  • Air volume displaced at xmax VD 15cm³
  • Power handling P 25W
  • Program power Pmax 50W

Voice Coil

  • Nominal impedance Z 8Ω
  • DC resistance RE 6.8Ω
  • Inductance (1kHz) LE 0.06mH
  • VC Diameter 25.4mm

Magnet

  • Force factor Bl 4.94N/A
  • Motor constant Bl/√RE 1.89N/√W
  • Air gap height HAG 10mm
  • Material Neodymium

Diaphragm

  • Effective diameter 80mm
  • Effective area SD 50cm²
  • Moving mass MMS 4.99g
  • Moving mass (without air load) MMD 4.7g
  • Material Black Polypropylene

Suspensions

  • Stiffness KMS 0.894N/mm
  • Compliance CMS 1118µm/N
  • Equivalent volume to the compliance VAS 3.97L
  • Mechanical resistance RMS 1.2N·s/m
  • Surround material Santoprene

Dimensions

  • Nominal diameter 4
  • 102mm
  • Volume occupied by the driver (estimated) 0.35L
  • Net weight 0.9kg
Tang Band W4-2356 SPL & Impedance
Tang Band W4-2356 Dimensions

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fS66 Hz
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60 - 5000 Hz
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