Morel ULTIMO Ti 804

• Sensitivity (1W, 1m, infinite baffle) SPL1W 83.5dB
• Frequency response 20 - 900Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 39Hz
• Mechanical quality factor QMS 4.31
• Electrical quality factor QES 0.61
• Total quality factor QTS 0.53

Large signal parameters

• Maximum linear excursion xmax 12.5mm
• Air volume displaced at xmax VD 318cm³
• Power handling P 800W
• Program power Pmax 1600W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.7Ω
• Inductance (1kHz) LE 0.44mH
• VC Diameter 130mm
• Winding height HVC 37mm
• Winding material Hexatech™ Aluminum
• Former material Titanium

Magnet

• Flux density B 0.64T
• Force factor Bl 13N/A
• Motor constant Bl/√RE 6.76N/√W
• Air gap height HAG 12mm
• Material Double Magnet Vented

Diaphragm

• Effective diameter 180mm
• Effective area SD 254cm²
• Moving mass MMS 107g
• Moving mass (without air load) MMD 104g
• Material Carbon-fiber laminated paper

Suspensions

• Stiffness KMS 5.88N/mm
• Compliance CMS 170µm/N
• Equivalent volume to the compliance VAS 16L
• Mechanical resistance RMS 5.26N·s/m

Dimensions

• Nominal diameter 8″
• 222mm
• Overall diameter 222mm
• Baffle cutout diameter 201mm
• Mounting depth 120mm
• Volume occupied by the driver 2L
• Net weight 6.1kg