Tang Band WQ-760C

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.6dB
• Frequency response 25 - 13000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 25Hz
• Mechanical quality factor QMS 5.32
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.38

Large signal parameters

• Maximum linear excursion xmax 12mm
• Air volume displaced at xmax VD 600cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 0.899mH
• VC Diameter 49.5mm

Magnet

• Force factor Bl 13.6N/A
• Motor constant Bl/√RE 7.59N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 252mm
• Effective area SD 500cm²
• Moving mass MMS 145g
• Moving mass (without air load) MMD 137g
• Material Paper

Suspensions

• Stiffness KMS 3.72N/mm
• Compliance CMS 269µm/N
• Equivalent volume to the compliance VAS 95.4L
• Mechanical resistance RMS 4.27N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 12″
• 305mm
• Volume occupied by the driver (estimated) 2.4L
• Net weight 5.6kg