PHL audio 5241MNdU-7

• Sensitivity (1W, 1m, infinite baffle) SPL1W 96.9dB
• Frequency response 50 - 2500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45Hz
• Mechanical quality factor QMS 3.71
• Electrical quality factor QES 0.28
• Total quality factor QTS 0.26

Large signal parameters

• Maximum linear excursion xmax 7.5mm
• Maximum excursion before damage xlim 16mm
• Air volume displaced at xmax VD 634cm³
• Power handling P 400W
• Program power Pmax 800W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 5.6Ω
• Inductance (1kHz, estimated) LE 2.75mH
• VC Diameter 77mm
• Winding height HVC 20mm

Magnet

• Force factor Bl 24.3N/A
• Motor constant Bl/√RE 10.3N/√W
• Air gap height HAG 10mm
• Diameter 140mm
• Material Neodymium

Diaphragm

• Effective diameter 328mm
• Effective area SD 845cm²
• Moving mass MMS 105g
• Moving mass (without air load) MMD 88.1g

Suspensions

• Stiffness KMS 8.33N/mm
• Compliance CMS 120µm/N
• Equivalent volume to the compliance VAS 121L
• Mechanical resistance RMS 8N·s/m

Dimensions

• Nominal diameter 15″
• 380mm
• Overall diameter 381mm
• Baffle cutout diameter 356mm
• Overall depth 188mm
• Flange thickness 13mm
• Mounting depth 175mm
• Volume occupied by the driver 3.8L
• Net weight 4.9kg