Radian 5215Neo

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
• Frequency response 40 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 3.21
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.23

Large signal parameters

• Maximum linear excursion xmax 5.5mm
• Air volume displaced at xmax VD 484cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 5Ω
• DC resistance RE 6.3Ω
• Inductance (1kHz) LE 1.4mH
• VC Diameter 101.6mm
• Winding height HVC 16.5mm
• Winding material Copper Clad Aluminum
• Former material Fiberglass

Magnet

• Force factor Bl 20N/A
• Motor constant Bl/√RE 7.97N/√W
• Air gap height HAG 10mm
• Material Neodymium

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 82g
• Moving mass (without air load) MMD 64g
• Material Paper/Kevlar composite

Suspensions

• Stiffness KMS 6.29N/mm
• Compliance CMS 159µm/N
• Equivalent volume to the compliance VAS 175L
• Mechanical resistance RMS 7.06N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 388mm
• Baffle cutout diameter 356mm
• Overall depth 185mm
• Flange thickness 15mm
• Mounting depth 170mm
• Volume occupied by the driver (estimated) 3.9L
• Net weight 6.85kg
• Frame material Cast Aluminum