P.Audio 15NT-100MB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.7dB
• Frequency response 45 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 10.69
• Electrical quality factor QES 0.37
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 428cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz) LE 0.87mH
• VC Diameter 99.3mm
• Winding height HVC 20mm
• Winding material Flat aluminium wire
• Former material Kapton

Magnet

• Flux density B 1.2T
• Force factor Bl 24.3N/A
• Motor constant Bl/√RE 10.3N/√W
• Air gap height HAG 10mm
• Material Neodymium

Diaphragm

• Effective diameter 332mm
• Effective area SD 855cm²
• Moving mass MMS 129g
• Moving mass (without air load) MMD 112g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 11.9N/mm
• Compliance CMS 84µm/N
• Equivalent volume to the compliance VAS 87.1L
• Mechanical resistance RMS 3.65N·s/m
• Surround material Cloth
• Spider material Cotton

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 386mm
• Baffle cutout diameter 353mm
• Overall depth 210mm
• Flange thickness 20mm
• Mounting depth 190mm
• Volume occupied by the driver (estimated) 5.4L
• Frame material Aluminium