RCF MB15N405

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.9dB
• Frequency response 45 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 46Hz
• Mechanical quality factor QMS 4.80
• Electrical quality factor QES 0.28
• Total quality factor QTS 0.27

Large signal parameters

• Maximum linear excursion xmax 7mm
• Maximum excursion before damage xlim 26.5mm
• Air volume displaced at xmax VD 630cm³
• Power handling P 1100W
• Program power Pmax 2200W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.5Ω
• Inductance (1kHz) LE 1.1mH
• VC Diameter 102mm
• Winding height HVC 20mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Force factor Bl 23.5N/A
• Motor constant Bl/√RE 10N/√W
• Air gap height HAG 12mm

Diaphragm

• Effective diameter 340mm
• Effective area SD 900cm²
• Moving mass MMS 98g
• Moving mass (without air load) MMD 79.4g

Suspensions

• Stiffness KMS 8.13N/mm
• Compliance CMS 123µm/N
• Equivalent volume to the compliance VAS 124L
• Mechanical resistance RMS 5.9N·s/m

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 393mm
• Baffle cutout diameter 354mm
• Overall depth 160mm
• Volume occupied by the driver 3.8L
• Net weight 8.6kg