MD Lab SW-B10F

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.5dB

Thiele & Small parameters

• Resonance frequency (free air) fS 52.1Hz
• Mechanical quality factor QMS 5.33
• Electrical quality factor QES 1.19
• Total quality factor QTS 0.98

Large signal parameters

• Power handling P 250W
• Program power Pmax 750W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.8Ω
• Inductance (1kHz, estimated) LE 2.06mH

Magnet

• Force factor Bl 11.3N/A
• Motor constant Bl/√RE 5.8N/√W

Diaphragm

• Effective diameter 217mm
• Effective area SD 368cm²
• Moving mass MMS 122g
• Moving mass (without air load) MMD 117g

Suspensions

• Stiffness KMS 12.5N/mm
• Compliance CMS 80µm/N
• Equivalent volume to the compliance VAS 15.4L
• Mechanical resistance RMS 7.5N·s/m

Dimensions

• Nominal diameter 10″
• 256mm
• Overall diameter 256mm
• Baffle cutout diameter 230mm
• Overall depth 156mm
• Flange thickness 15mm
• Mounting depth 141mm
• Volume occupied by the driver (estimated) 2.1L