RCF L15P400

• Sensitivity (1W, 1m, infinite baffle)SPL1W95.4dB
• Frequency response30 - 1500Hz

Thiele & Small parameters

• Resonance frequency (free air)fS36Hz
• Mechanical quality factorQMS7.50
• Electrical quality factorQES0.27
• Total quality factorQTS0.25

Large signal parameters

• Maximum linear excursionxmax8mm
• Maximum excursion before damagexlim25mm
• Air volume displaced at xmaxVD720cm³
• Power handlingP800W
• Program powerPmax1600W

Voice Coil

• Nominal impedanceZ8Ω
• DC resistanceRE4.8Ω
• Inductance (1kHz)LE1.2mH
• VC Diameter102mm
• Winding heightHVC23mm
• Winding materialCopper
• Former materialGlass Fiber

Magnet

• Force factorBl24.8N/A
• Motor constantBl/√RE11.3N/√W
• Air gap heightHAG14mm

Diaphragm

• Effective diameter340mm
• Effective areaSD900cm²
• Moving massMMS150g
• Moving mass (without air load)MMD131g

Suspensions

• StiffnessKMS7.81N/mm
• ComplianceCMS128µm/N
• Equivalent volume to the complianceVAS160L
• Mechanical resistanceRMS4.52N·s/m
• Spider materialwith silicon damping

Dimensions

• Nominal diameter15″
• 381mm
• Overall diameter393mm
• Baffle cutout diameter360mm
• Overall depth159mm
• Volume occupied by the driver4.3L
• Net weight13.5kg