BishopSound BDP15

• Sensitivity (1W, 1m, infinite baffle) SPL1W 92.6dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 42Hz
• Mechanical quality factor QMS 5.20
• Electrical quality factor QES 0.44
• Total quality factor QTS 0.42

Large signal parameters

• Maximum linear excursion xmax 12.2mm
• Maximum excursion before damage xlim 18mm
• Air volume displaced at xmax VD 915cm³
• Power handling P 750W
• Program power Pmax 1500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 1.3mH
• VC Diameter 100mm
• Winding height HVC 16mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 1.04T
• Force factor Bl 21.3N/A
• Motor constant Bl/√RE 9.43N/√W
• Air gap height HAG 11mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 309mm
• Effective area SD 750cm²
• Moving mass MMS 151g
• Moving mass (without air load) MMD 136g

Suspensions

• Stiffness KMS 11.1N/mm
• Compliance CMS 90µm/N
• Equivalent volume to the compliance VAS 103L
• Mechanical resistance RMS 4.3N·s/m

Dimensions

• Nominal diameter 15″
• 393mm
• Overall diameter 393mm
• Overall depth 168mm
• Flange thickness 12mm
• Mounting depth 156mm
• Volume occupied by the driver (estimated) 5L
• Net weight 11.0kg
• Frame material Aluminium