Tang Band W5-876SD

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86dB
• Frequency response 50 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 3.90
• Electrical quality factor QES 0.36
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 47cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.4Ω
• Inductance (1kHz) LE 2.09mH
• VC Diameter 32mm

Magnet

• Force factor Bl 9.92N/A
• Motor constant Bl/√RE 3.92N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 109mm
• Effective area SD 94cm²
• Moving mass MMS 17g
• Moving mass (without air load) MMD 16.4g
• Material Paper

Suspensions

• Stiffness KMS 1.76N/mm
• Compliance CMS 568µm/N
• Equivalent volume to the compliance VAS 7.13L
• Mechanical resistance RMS 1.37N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 5″
• 127mm
• Volume occupied by the driver (estimated) 0.25L