Morel VIRTUS MW 4

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.5dB
• Frequency response 70 - 4500Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 80Hz
• Mechanical quality factor QMS 2.00
• Electrical quality factor QES 0.76
• Total quality factor QTS 0.55

Large signal parameters

• Maximum linear excursion xmax 2mm
• Air volume displaced at xmax VD 13cm³
• Power handling P 100W
• Program power Pmax 200W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.0Ω
• Inductance (1kHz) LE 0.23mH
• VC Diameter 54mm
• Winding height HVC 8mm
• Winding material Hexatech™ Aluminum
• Former material Aluminum

Magnet

• Flux density B 0.48T
• Force factor Bl 3.33N/A
• Motor constant Bl/√RE 1.92N/√W
• Air gap height HAG 4mm
• Material Double ferrite rear vented

Diaphragm

• Effective diameter 90mm
• Effective area SD 64cm²
• Moving mass MMS 5.96g
• Moving mass (without air load) MMD 5.6g
• Material Composite cellular fiber

Suspensions

• Stiffness KMS 1.37N/mm
• Compliance CMS 730µm/N
• Equivalent volume to the compliance VAS 4.17L
• Mechanical resistance RMS 1.42N·s/m

Dimensions

• Nominal diameter 4″
• 104mm
• Overall diameter 104mm
• Baffle cutout diameter 95mm
• Mounting depth 50mm
• Volume occupied by the driver (estimated) 0.21L
• Net weight 0.54kg