B&C Speaker 12PE32

• Sensitivity (1W, 1m, infinite baffle) SPL1W 99.2dB
• Frequency response 50 - 4000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 51Hz
• Mechanical quality factor QMS 7.60
• Electrical quality factor QES 0.19
• Total quality factor QTS 0.18

Large signal parameters

• Maximum linear excursion xmax 2.8mm
• Air volume displaced at xmax VD 146cm³
• Power handling P 250W
• Program power Pmax 500W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 1.2mH
• VC Diameter 65mm
• Winding height HVC 12mm
• Winding material Aluminium
• Former material Glass Fibre

Magnet

• Flux density B 1.4T
• Force factor Bl 19.1N/A
• Motor constant Bl/√RE 7.93N/√W
• Air gap height HAG 7mm
• Material Ferrite

Diaphragm

• Effective diameter 258mm
• Effective area SD 522cm²
• Moving mass MMS 37g
• Moving mass (without air load) MMD 28.4g

Suspensions

• Stiffness KMS 3.83N/mm
• Compliance CMS 261µm/N
• Equivalent volume to the compliance VAS 101L
• Mechanical resistance RMS 1.56N·s/m

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 315mm
• Baffle cutout diameter 282mm
• Overall depth 135mm
• Flange thickness 15mm
• Mounting depth 120mm
• Volume occupied by the driver 3.1L
• Net weight 7.6kg