RCF L15-554K

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 8.60
• Electrical quality factor QES 0.25
• Total quality factor QTS 0.24

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 22mm
• Air volume displaced at xmax VD 480cm³
• Power handling P 600W
• Program power Pmax 1200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.6Ω
• Inductance (1kHz) LE 1mH
• VC Diameter 102mm
• Winding height HVC 16mm
• Winding material Copper

Magnet

• Force factor Bl 23N/A
• Motor constant Bl/√RE 8.95N/√W
• Material Ceramic

Diaphragm

• Effective diameter 325mm
• Effective area SD 800cm²
• Moving mass MMS 91g
• Moving mass (without air load) MMD 74.8g

Suspensions

• Stiffness KMS 4N/mm
• Compliance CMS 250µm/N
• Equivalent volume to the compliance VAS 227L
• Mechanical resistance RMS 2.33N·s/m
• Surround material Polycotton

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 387mm
• Baffle cutout diameter 362mm
• Overall depth 133mm
• Flange thickness 9mm
• Mounting depth 124mm
• Volume occupied by the driver 3.8L
• Net weight 11.0kg