Tang Band W6-789E

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.9dB
• Frequency response 50 - 10000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 6.32
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.46

Large signal parameters

• Maximum linear excursion xmax 4.3mm
• Air volume displaced at xmax VD 60cm³
• Power handling P 15W
• Program power Pmax 30W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 0.128mH
• VC Diameter 25.4mm

Magnet

• Force factor Bl 5.13N/A
• Motor constant Bl/√RE 2.09N/√W
• Air gap height HAG 6mm
• Material Ferrite

Diaphragm

• Effective diameter 134mm
• Effective area SD 140cm²
• Moving mass MMS 7g
• Moving mass (without air load) MMD 5.8g
• Material Polypropylene-Mica

Suspensions

• Stiffness KMS 0.67N/mm
• Compliance CMS 1492µm/N
• Equivalent volume to the compliance VAS 41.5L
• Mechanical resistance RMS 0.35N·s/m
• Surround material Structured Santoprene

Dimensions

• Nominal diameter 6.5″
• 165mm
• Volume occupied by the driver (estimated) 0.66L
• Net weight 1.63kg