Tang Band W8-1853

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.3dB
• Frequency response 37 - 350Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 5.95
• Electrical quality factor QES 0.33
• Total quality factor QTS 0.31

Large signal parameters

• Maximum linear excursion xmax 5.3mm
• Air volume displaced at xmax VD 116cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.4Ω
• Inductance (1kHz) LE 0.543mH
• VC Diameter 49.5mm

Magnet

• Force factor Bl 13N/A
• Motor constant Bl/√RE 7.06N/√W
• Air gap height HAG 6mm
• Material Neodymium

Diaphragm

• Effective diameter 167mm
• Effective area SD 220cm²
• Moving mass MMS 69.9g
• Moving mass (without air load) MMD 67.5g
• Material Polypropylene Injection

Suspensions

• Stiffness KMS 3.86N/mm
• Compliance CMS 259µm/N
• Equivalent volume to the compliance VAS 17.8L
• Mechanical resistance RMS 2.73N·s/m
• Surround material Foam Rubber

Dimensions

• Nominal diameter 8″
• 203mm
• Volume occupied by the driver (estimated) 0.75L
• Net weight 1.83kg