Morel Integra INTEGRA 424

• Sensitivity (1W, 1m, infinite baffle) SPL1W 89.2dB

Thiele & Small parameters

• Resonance frequency (free air) fS 120Hz
• Mechanical quality factor QMS 2.47
• Electrical quality factor QES 0.60
• Total quality factor QTS 0.48

Large signal parameters

• Maximum linear excursion xmax 3mm
• Air volume displaced at xmax VD 19cm³
• Power handling P 60W
• Program power Pmax 120W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.15mH
• VC Diameter 54mm
• Winding height HVC 10mm
• Winding material T: Copper W: Hexatech™ Aluminum
• Former material Aluminum

Magnet

• Flux density B 0.85T
• Force factor Bl 4.32N/A
• Motor constant Bl/√RE 2.49N/√W
• Air gap height HAG 4mm
• Material Hybrid™ Neodymium/Ferrite

Diaphragm

• Effective diameter 90mm
• Effective area SD 63cm²
• Moving mass MMS 5g
• Moving mass (without air load) MMD 4.6g
• Material T: soft dome w: composite paper

Suspensions

• Stiffness KMS 2.86N/mm
• Compliance CMS 350µm/N
• Equivalent volume to the compliance VAS 2L
• Mechanical resistance RMS 1.52N·s/m

Dimensions

• Nominal diameter 4″
• 119mm
• Overall diameter 119mm
• Baffle cutout diameter 94mm
• Overall depth 55mm
• Flange thickness 5mm
• Mounting depth 50mm
• Volume occupied by the driver (estimated) 0.15L
• Net weight 0.49kg