RCF MB15H401

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.5dB
• Frequency response 40 - 2000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 44Hz
• Mechanical quality factor QMS 4.80
• Electrical quality factor QES 0.32
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 8mm
• Maximum excursion before damage xlim 25mm
• Air volume displaced at xmax VD 720cm³
• Power handling P 700W
• Program power Pmax 1400W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.4Ω
• Inductance (1kHz) LE 0.7mH
• VC Diameter 102mm
• Winding height HVC 21mm
• Winding material Aluminium

Magnet

• Force factor Bl 22.1N/A
• Motor constant Bl/√RE 9.51N/√W
• Material Ceramic

Diaphragm

• Effective diameter 340mm
• Effective area SD 900cm²
• Moving mass MMS 107g
• Moving mass (without air load) MMD 88.4g

Suspensions

• Stiffness KMS 9.52N/mm
• Compliance CMS 105µm/N
• Equivalent volume to the compliance VAS 121L
• Mechanical resistance RMS 6.16N·s/m
• Surround material Polycotton

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 393mm
• Baffle cutout diameter 360mm
• Overall depth 164mm
• Flange thickness 12mm
• Mounting depth 152mm
• Volume occupied by the driver 4.3L
• Net weight 12.0kg