SB Acoustics SW26SFC38-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 28.5Hz
• Mechanical quality factor QMS 5.18
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 119cm³
• Power handling P 80W
• Program power Pmax 160W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 1.38mH
• VC Diameter 38.5mm
• Winding height HVC 16mm
• Former material Glass Fiber

Magnet

• Flux density B 0.72T
• Force factor Bl 13.5N/A
• Motor constant Bl/√RE 5.51N/√W
• Air gap height HAG 9mm
• Weight 0.1kg
• Material Neodymium

Diaphragm

• Effective diameter 208mm
• Effective area SD 340cm²
• Moving mass MMS 63.7g
• Moving mass (without air load) MMD 59.2g
• Material Paper

Suspensions

• Stiffness KMS 2.04N/mm
• Compliance CMS 490µm/N
• Equivalent volume to the compliance VAS 80L
• Mechanical resistance RMS 2.2N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 10″
• 254mm
• Volume occupied by the driver (estimated) 0.37L
• Net weight 0.94kg