BMS 15S430v²

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.3dB
• Frequency response 35 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39.8Hz
• Mechanical quality factor QMS 6.40
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.28

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 704cm³
• Power handling P 1200W
• Program power Pmax 2400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 4.8Ω
• Inductance (1kHz) LE 0.73mH
• VC Diameter 101.6mm
• Winding height HVC 26mm
• Winding material Copper

Magnet

• Force factor Bl 23.5N/A
• Motor constant Bl/√RE 10.7N/√W
• Air gap height HAG 10mm
• Material Ferrite

Diaphragm

• Effective diameter 335mm
• Effective area SD 880cm²
• Moving mass MMS 130g
• Moving mass (without air load) MMD 112g

Suspensions

• Stiffness KMS 8.33N/mm
• Compliance CMS 120µm/N
• Equivalent volume to the compliance VAS 135L
• Mechanical resistance RMS 5.08N·s/m

Dimensions

• Nominal diameter 15″
• 388mm
• Overall diameter 388mm
• Baffle cutout diameter 358mm
• Overall depth 189mm
• Volume occupied by the driver (estimated) 5.3L
• Net weight 10.7kg
• Frame material Cast Aluminum