Morel Ultimate UW 1058

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.4dB

Thiele & Small parameters

• Resonance frequency (free air) fS 26Hz
• Mechanical quality factor QMS 1.72
• Electrical quality factor QES 0.58
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 12.5mm
• Air volume displaced at xmax VD 433cm³
• Power handling P 500W
• Program power Pmax 1000W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.8Ω
• Inductance (1kHz) LE 1.33mH
• VC Diameter 130mm
• Winding height HVC 37mm
• Winding material Hexatech™ Aluminum
• Former material Aluminum

Magnet

• Flux density B 0.64T
• Force factor Bl 15.3N/A
• Motor constant Bl/√RE 5.87N/√W
• Air gap height HAG 12mm
• Material High flux double ferrite vented

Diaphragm

• Effective diameter 210mm
• Effective area SD 346cm²
• Moving mass MMS 99.3g
• Moving mass (without air load) MMD 94.6g
• Material Composite cellular fiber

Suspensions

• Stiffness KMS 4.17N/mm
• Compliance CMS 240µm/N
• Equivalent volume to the compliance VAS 40.8L
• Mechanical resistance RMS 11.7N·s/m

Dimensions

• Nominal diameter 10″
• 263mm
• Overall diameter 263mm
• Baffle cutout diameter 241mm
• Overall depth 149mm
• Flange thickness 7mm
• Mounting depth 142mm
• Volume occupied by the driver (estimated) 2.5L
• Net weight 6.1kg