BMS 15CN860

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.6dB
• Frequency response 40 - 22000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 50Hz
• Mechanical quality factor QMS 3.70
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.35

Large signal parameters

• Maximum linear excursion xmax 6mm
• Air volume displaced at xmax VD 482cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.7Ω
• Inductance (1kHz) LE 0.8mH
• VC Diameter 101.6mm
• Winding height HVC 22mm
• Winding material Copper
• Former material Kapton

Magnet

• Flux density B 2T
• Force factor Bl 23.6N/A
• Motor constant Bl/√RE 9.88N/√W
• Air gap height HAG 10mm
• Material Neodymium

Diaphragm

• Effective diameter 320mm
• Effective area SD 804cm²
• Moving mass MMS 120g
• Moving mass (without air load) MMD 104g
• Material Polyester

Suspensions

• Stiffness KMS 11.9N/mm
• Compliance CMS 84µm/N
• Equivalent volume to the compliance VAS 77L
• Mechanical resistance RMS 10.2N·s/m

Dimensions

• Nominal diameter 15″
• 388mm
• Overall diameter 388mm
• Baffle cutout diameter 358mm
• Overall depth 292mm
• Volume occupied by the driver (estimated) 6.3L
• Net weight 8.95kg
• Frame material Cast Aluminum