B&C Speaker 18PZW100

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.1dB
• Frequency response 37 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 37Hz
• Mechanical quality factor QMS 7.90
• Electrical quality factor QES 0.38
• Total quality factor QTS 0.36

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 968cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.1Ω
• Inductance (1kHz) LE 1.58mH
• VC Diameter 100mm
• Winding height HVC 21mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1T
• Force factor Bl 25.5N/A
• Motor constant Bl/√RE 11.3N/√W
• Air gap height HAG 11mm
• Material Ferrite

Diaphragm

• Effective diameter 393mm
• Effective area SD 1210cm²
• Moving mass MMS 209g
• Moving mass (without air load) MMD 180g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 11.2N/mm
• Compliance CMS 89µm/N
• Equivalent volume to the compliance VAS 186L
• Mechanical resistance RMS 6.15N·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 12.25kg