RCF CX12N351

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.1dB
• Frequency response 50 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 58Hz
• Mechanical quality factor QMS 5.40
• Electrical quality factor QES 0.21
• Total quality factor QTS 0.20

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 19.5mm
• Air volume displaced at xmax VD 300cm³
• Power handling P 90W
• Program power Pmax 180W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 1.5mH
• VC Diameter 89mm
• Winding height HVC 17mm
• Winding material Aluminium
• Former material Glass Fiber

Magnet

• Force factor Bl 25N/A
• Motor constant Bl/√RE 10.4N/√W
• Air gap height HAG 11mm

Diaphragm

• Effective diameter 260mm
• Effective area SD 500cm²
• Moving mass MMS 62g
• Moving mass (without air load) MMD 53.7g

Suspensions

• Stiffness KMS 8.26N/mm
• Compliance CMS 121µm/N
• Equivalent volume to the compliance VAS 47L
• Mechanical resistance RMS 4.18N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 320mm
• Baffle cutout diameter 284mm
• Overall depth 157mm
• Volume occupied by the driver 2.2L
• Net weight 6.29kg