Tang Band W5-2143

• Sensitivity (1W, 1m, infinite baffle) SPL1W 90.9dB
• Frequency response 55 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 55Hz
• Mechanical quality factor QMS 3.21
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 2.5mm
• Air volume displaced at xmax VD 24cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 0.023mH
• VC Diameter 25.4mm

Magnet

• Force factor Bl 5.43N/A
• Motor constant Bl/√RE 2.16N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 109mm
• Effective area SD 94cm²
• Moving mass MMS 5.99g
• Moving mass (without air load) MMD 5.4g
• Material Paper

Suspensions

• Stiffness KMS 0.661N/mm
• Compliance CMS 1514µm/N
• Equivalent volume to the compliance VAS 19L
• Mechanical resistance RMS 0.64N·s/m
• Surround material Structured Santoprene

Dimensions

• Nominal diameter 5″
• 127mm
• Volume occupied by the driver (estimated) 0.74L
• Net weight 1.82kg