Tang Band W69-1042J

• Sensitivity (1W, 1m, infinite baffle) SPL1W 86.5dB
• Frequency response 35 - 350Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 3.93
• Electrical quality factor QES 0.40
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 7.3mm
• Air volume displaced at xmax VD 165cm³
• Power handling P 90W
• Program power Pmax 170W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 0.911mH
• VC Diameter 38.5mm

Magnet

• Force factor Bl 13.3N/A
• Motor constant Bl/√RE 5.2N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 170mm
• Effective area SD 226cm²
• Moving mass MMS 49.9g
• Moving mass (without air load) MMD 48.3g
• Material Non-Pressed Paper

Suspensions

• Stiffness KMS 2.4N/mm
• Compliance CMS 417µm/N
• Equivalent volume to the compliance VAS 30.3L
• Mechanical resistance RMS 2.79N·s/m
• Surround material Rubber W-Shape

Dimensions

• Nominal size 6 x 9″
• 152 x 229mm
• Volume occupied by the driver (estimated) 1.2L
• Net weight 2.876kg