P.Audio BT10-500A

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.5dB
• Frequency response 60 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 60Hz
• Mechanical quality factor QMS 9.78
• Electrical quality factor QES 0.59
• Total quality factor QTS 0.55

Large signal parameters

• Maximum linear excursion xmax 4.1mm
• Air volume displaced at xmax VD 149cm³
• Power handling P 200W
• Program power Pmax 400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 0.49mH
• VC Diameter 63.7mm
• Winding height HVC 16.2mm
• Winding material CCA-W
• Former material Kapton

Magnet

• Flux density B 1.1T
• Force factor Bl 11.7N/A
• Motor constant Bl/√RE 4.9N/√W
• Air gap height HAG 8mm
• Material Ferrite

Diaphragm

• Effective diameter 213mm
• Effective area SD 363cm²
• Moving mass MMS 38.3g
• Moving mass (without air load) MMD 33.3g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 5.5N/mm
• Compliance CMS 182µm/N
• Equivalent volume to the compliance VAS 34.1L
• Mechanical resistance RMS 1.48N·s/m
• Surround material Cloth
• Spider material Cotton (Single)

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 265mm
• Baffle cutout diameter 237mm
• Overall depth 120mm
• Flange thickness 14mm
• Mounting depth 106mm
• Volume occupied by the driver (estimated) 1.9L
• Net weight 5.0kg
• Frame material Aluminium