BishopSound BSP12

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.5dB
• Frequency response 46 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 64Hz
• Mechanical quality factor QMS 9.40
• Electrical quality factor QES 0.65
• Total quality factor QTS 0.91

Large signal parameters

• Maximum linear excursion xmax 6.2mm
• Maximum excursion before damage xlim 15.3mm
• Air volume displaced at xmax VD 220cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.0Ω
• Inductance (1kHz) LE 0.51mH
• VC Diameter 50mm
• Winding height HVC 14mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Flux density B 0.6T
• Force factor Bl 11.3N/A
• Motor constant Bl/√RE 4.27N/√W
• Air gap height HAG 10mm
• Material Ferrite Ring

Diaphragm

• Effective diameter 213mm
• Effective area SD 355cm²
• Moving mass MMS 31.9g
• Moving mass (without air load) MMD 26.5g

Suspensions

• Stiffness KMS 14.3N/mm
• Compliance CMS 70µm/N
• Equivalent volume to the compliance VAS 55.6L
• Mechanical resistance RMS 4.21N·s/m

Dimensions

• Nominal diameter 12″
• 300mm
• Overall diameter 300mm
• Overall depth 143mm
• Flange thickness 1mm
• Mounting depth 142mm
• Volume occupied by the driver 6.3L
• Net weight 6.0kg
• Frame material Aluminium