P.Audio 10NT-65MB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.7dB
• Frequency response 75 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 78Hz
• Mechanical quality factor QMS 7.12
• Electrical quality factor QES 0.55
• Total quality factor QTS 0.51

Large signal parameters

• Maximum linear excursion xmax 3.5mm
• Air volume displaced at xmax VD 121cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 0.42mH
• VC Diameter 63.7mm
• Winding height HVC 15mm
• Winding material Flat aluminium wire
• Former material Kapton

Magnet

• Flux density B 1.25T
• Force factor Bl 12.7N/A
• Motor constant Bl/√RE 4.98N/√W
• Air gap height HAG 8mm
• Material Neodymium

Diaphragm

• Effective diameter 211mm
• Effective area SD 346cm²
• Moving mass MMS 27.6g
• Moving mass (without air load) MMD 22.9g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 6.76N/mm
• Compliance CMS 148µm/N
• Equivalent volume to the compliance VAS 25.2L
• Mechanical resistance RMS 1.91N·s/m
• Surround material Cloth
• Spider material Cotton

Dimensions

• Nominal diameter 10″
• 254mm
• Overall diameter 262mm
• Baffle cutout diameter 230mm
• Overall depth 146mm
• Flange thickness 18mm
• Mounting depth 128mm
• Volume occupied by the driver (estimated) 2L
• Frame material Aluminium