Fane FC-123F01

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95dB
• Frequency response 45 - 3000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 34Hz
• Mechanical quality factor QMS 4.32
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.24

Large signal parameters

• Maximum linear excursion xmax 8.5mm
• Air volume displaced at xmax VD 451cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 2.26mH
• VC Diameter 76.2mm
• Winding height HVC 20mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1T
• Force factor Bl 18.3N/A
• Motor constant Bl/√RE 7.88N/√W
• Air gap height HAG 9mm
• Weight 1.2kg
• Material Ferrite

Diaphragm

• Effective diameter 260mm
• Effective area SD 530cm²
• Moving mass MMS 63g
• Moving mass (without air load) MMD 53.9g
• Material Paper

Suspensions

• Stiffness KMS 3.62N/mm
• Compliance CMS 276µm/N
• Equivalent volume to the compliance VAS 110L
• Mechanical resistance RMS 3.12N·s/m
• Surround material Polyvinyl damped Linen

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 330mm
• Baffle cutout diameter 257mm
• Overall depth 154mm
• Flange thickness 8mm
• Mounting depth 146mm
• Volume occupied by the driver (estimated) 3.4L
• Net weight 7.6kg
• Frame material Die-cast Aluminium