Radian 2216

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.1dB
• Frequency response 34 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 38.7Hz
• Mechanical quality factor QMS 2.95
• Electrical quality factor QES 0.43
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 4.8mm
• Air volume displaced at xmax VD 395cm³
• Power handling P 750W
• Program power Pmax 1500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.2Ω
• Inductance (1kHz, estimated) LE 2.76mH
• VC Diameter 101.6mm
• Winding material Edgewood Aluminum

Magnet

• Force factor Bl 17.8N/A
• Motor constant Bl/√RE 7.15N/√W
• Material Ferrite

Diaphragm

• Effective diameter 325mm
• Effective area SD 832cm²
• Moving mass MMS 90.4g
• Moving mass (without air load) MMD 73.5g
• Material Kevlar Reinforced Paper

Suspensions

• Stiffness KMS 5.35N/mm
• Compliance CMS 187µm/N
• Equivalent volume to the compliance VAS 184L
• Mechanical resistance RMS 7.45N·s/m

Dimensions

• Nominal diameter 15″
• 387mm
• Overall diameter 387mm
• Baffle cutout diameter 355mm
• Overall depth 156mm
• Volume occupied by the driver (estimated) 4.9L
• Net weight 11.36kg
• Frame material Cast Aluminum