B&C Speaker 12TBX100

• Sensitivity (1W, 1m, infinite baffle) SPL1W 93.2dB
• Frequency response 45 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 6.23
• Electrical quality factor QES 0.24
• Total quality factor QTS 0.23

Large signal parameters

• Maximum linear excursion xmax 9mm
• Air volume displaced at xmax VD 478cm³
• Power handling P 1000W
• Program power Pmax 2000W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.6Ω
• Inductance (1kHz) LE 1.74mH
• VC Diameter 100mm
• Winding height HVC 25mm
• Winding material Copper
• Former material Glass Fibre

Magnet

• Flux density B 1.1T
• Force factor Bl 22.9N/A
• Motor constant Bl/√RE 12.1N/√W
• Air gap height HAG 12mm
• Material Ferrite

Diaphragm

• Effective diameter 260mm
• Effective area SD 531cm²
• Moving mass MMS 125g
• Moving mass (without air load) MMD 116g
• Material Waterproof Both Sides

Suspensions

• Stiffness KMS 9.71N/mm
• Compliance CMS 103µm/N
• Equivalent volume to the compliance VAS 41.1L
• Mechanical resistance RMS 5.55N·s/m
• Spider material Silicone

Dimensions

• Nominal diameter 12″
• 320mm
• Overall diameter 319mm
• Baffle cutout diameter 281mm
• Overall depth 135mm
• Flange thickness 13mm
• Mounting depth 122mm
• Volume occupied by the driver 4.2L
• Net weight 11.8kg