B&C Speaker 15SW115

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.9dB
• Frequency response 35 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 4.40
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.24

Large signal parameters

• Maximum linear excursion xmax 13.5mm
• Air volume displaced at xmax VD 1154cm³
• Power handling P 1700W
• Program power Pmax 3400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.2Ω
• Inductance (1kHz) LE 1.8mH
• VC Diameter 116mm
• Winding height HVC 34mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.15T
• Force factor Bl 30N/A
• Motor constant Bl/√RE 13.2N/√W
• Air gap height HAG 14mm
• Material Neodymium Inside Slug

Diaphragm

• Effective diameter 330mm
• Effective area SD 855cm²
• Moving mass MMS 200g
• Moving mass (without air load) MMD 182g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 9.52N/mm
• Compliance CMS 105µm/N
• Equivalent volume to the compliance VAS 110L
• Mechanical resistance RMS 10N·s/m
• Spider material Silicone

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 393mm
• Baffle cutout diameter 353mm
• Overall depth 193mm
• Flange thickness 16mm
• Mounting depth 177mm
• Volume occupied by the driver 7L
• Net weight 11.1kg