SB Acoustics SB26SFCL38-8

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 27.5Hz
• Mechanical quality factor QMS 5.09
• Electrical quality factor QES 0.60
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 8.2mm
• Air volume displaced at xmax VD 284cm³
• Power handling P 80W
• Program power Pmax 160W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.0Ω
• Inductance (1kHz) LE 1.6mH
• VC Diameter 38.5mm
• Winding height HVC 22.4mm

Magnet

• Flux density B 1.05T
• Force factor Bl 9.6N/A
• Motor constant Bl/√RE 3.92N/√W
• Air gap height HAG 6mm
• Weight 1.1kg

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 53g
• Moving mass (without air load) MMD 48.4g
• Material Paper

Suspensions

• Stiffness KMS 1.59N/mm
• Compliance CMS 630µm/N
• Equivalent volume to the compliance VAS 107L
• Mechanical resistance RMS 1.8N·s/m
• Surround material Rubber

Dimensions

• Nominal diameter 10″
• 254mm
• Volume occupied by the driver (estimated) 1.2L
• Net weight 2.9kg