P.Audio 15NT-100XB

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.4dB
• Frequency response 40 - 1000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 10.57
• Electrical quality factor QES 0.50
• Total quality factor QTS 0.47

Large signal parameters

• Maximum linear excursion xmax 7mm
• Air volume displaced at xmax VD 599cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.9Ω
• Inductance (1kHz) LE 0.87mH
• VC Diameter 99.3mm
• Winding height HVC 25mm
• Winding material Copper
• Former material Glass fiber

Magnet

• Flux density B 1.2T
• Force factor Bl 22.2N/A
• Motor constant Bl/√RE 9.14N/√W
• Air gap height HAG 11mm
• Material Neodymium

Diaphragm

• Effective diameter 332mm
• Effective area SD 855cm²
• Moving mass MMS 151g
• Moving mass (without air load) MMD 134g
• Material Waterproof Paper

Suspensions

• Stiffness KMS 11.8N/mm
• Compliance CMS 85µm/N
• Equivalent volume to the compliance VAS 88.6L
• Mechanical resistance RMS 3.95N·s/m
• Surround material Cloth
• Spider material Cotton

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 386mm
• Baffle cutout diameter 355mm
• Overall depth 210mm
• Flange thickness 19mm
• Mounting depth 191mm
• Volume occupied by the driver (estimated) 5L
• Net weight 8.9kg
• Frame material Aluminium