BishopSound BSP15

• Sensitivity (1W, 1m, infinite baffle) SPL1W 94.6dB
• Frequency response 50 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 7.48
• Electrical quality factor QES 0.95
• Total quality factor QTS 0.85

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 14.3mm
• Air volume displaced at xmax VD 330cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 12.0Ω
• Inductance (1kHz) LE 0.71mH
• VC Diameter 75mm
• Winding height HVC 14mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 0.8T
• Force factor Bl 12.3N/A
• Motor constant Bl/√RE 3.55N/√W
• Air gap height HAG 10mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 265mm
• Effective area SD 550cm²
• Moving mass MMS 53.2g
• Moving mass (without air load) MMD 42.6g

Suspensions

• Stiffness KMS 14.3N/mm
• Compliance CMS 70µm/N
• Equivalent volume to the compliance VAS 50.6L
• Mechanical resistance RMS 4.21N·s/m

Dimensions

• Nominal diameter 15″
• 393mm
• Overall diameter 393mm
• Overall depth 183mm
• Flange thickness 1mm
• Mounting depth 182mm
• Volume occupied by the driver 8L
• Net weight 9.0kg
• Frame material Aluminium