Tang Band W6-623I

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.8dB
• Frequency response 46 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 5.21
• Electrical quality factor QES 0.45
• Total quality factor QTS 0.41

Large signal parameters

• Maximum linear excursion xmax 4mm
• Air volume displaced at xmax VD 56cm³
• Power handling P 30W
• Program power Pmax 60W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.168mH
• VC Diameter 25.4mm

Magnet

• Force factor Bl 6.7N/A
• Motor constant Bl/√RE 2.74N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 134mm
• Effective area SD 140cm²
• Moving mass MMS 12g
• Moving mass (without air load) MMD 10.8g
• Material Paper

Suspensions

• Stiffness KMS 0.934N/mm
• Compliance CMS 1071µm/N
• Equivalent volume to the compliance VAS 29.8L
• Mechanical resistance RMS 0.66N·s/m
• Surround material Rubber W-Shape

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.62L
• Net weight 1.527kg