B&C Speaker 18PZB100

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.2dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 38Hz
• Mechanical quality factor QMS 6.10
• Electrical quality factor QES 0.29
• Total quality factor QTS 0.28

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 907cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 4.0Ω
• Inductance (1kHz) LE 1.25mH
• VC Diameter 100mm
• Winding height HVC 21mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.15T
• Force factor Bl 25N/A
• Motor constant Bl/√RE 12.5N/√W
• Air gap height HAG 11mm
• Material Ferrite

Diaphragm

• Effective diameter 380mm
• Effective area SD 1134cm²
• Moving mass MMS 190g
• Moving mass (without air load) MMD 163g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 10.9N/mm
• Compliance CMS 92µm/N
• Equivalent volume to the compliance VAS 164L
• Mechanical resistance RMS 7.44N·s/m
• Spider material Silicone

Dimensions

• Nominal diameter 18″
• 460mm
• Overall diameter 460mm
• Baffle cutout diameter 422mm
• Overall depth 202mm
• Flange thickness 16mm
• Mounting depth 186mm
• Volume occupied by the driver 9.5L
• Net weight 12.2kg