Tang Band W8-1722B

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.2dB
• Frequency response 35 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 3.92
• Electrical quality factor QES 0.58
• Total quality factor QTS 0.51

Large signal parameters

• Maximum linear excursion xmax 9mm
• Air volume displaced at xmax VD 198cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 0.115mH
• VC Diameter 38.5mm

Magnet

• Force factor Bl 6.24N/A
• Motor constant Bl/√RE 3.29N/√W
• Air gap height HAG 25mm
• Material Ferrite

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 26.9g
• Moving mass (without air load) MMD 24.6g
• Material Paper

Suspensions

• Stiffness KMS 1.48N/mm
• Compliance CMS 674µm/N
• Equivalent volume to the compliance VAS 46.3L
• Mechanical resistance RMS 1.51N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 8″
• 203mm
• Volume occupied by the driver (estimated) 3.4L
• Net weight 7.6kg