RCF MB15N301

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97.1dB
• Frequency response 40 - 3500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 48Hz
• Mechanical quality factor QMS 4.60
• Electrical quality factor QES 0.39
• Total quality factor QTS 0.37

Large signal parameters

• Maximum linear excursion xmax 6mm
• Maximum excursion before damage xlim 20mm
• Air volume displaced at xmax VD 540cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.8Ω
• Inductance (1kHz) LE 0.9mH
• VC Diameter 76mm
• Winding height HVC 17mm
• Winding material Copper
• Former material Glass Fiber

Magnet

• Force factor Bl 19.2N/A
• Motor constant Bl/√RE 7.97N/√W
• Air gap height HAG 10mm

Diaphragm

• Effective diameter 330mm
• Effective area SD 900cm²
• Moving mass MMS 90g
• Moving mass (without air load) MMD 71.6g

Suspensions

• Stiffness KMS 7.46N/mm
• Compliance CMS 134µm/N
• Equivalent volume to the compliance VAS 134L
• Mechanical resistance RMS 5.9N·s/m

Dimensions

• Nominal diameter 15″
• 381mm
• Overall diameter 388mm
• Baffle cutout diameter 358mm
• Overall depth 165mm
• Volume occupied by the driver 3L
• Net weight 3.7kg