Morel PRIMO 124

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87dB
• Frequency response 22 - 900Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 32Hz
• Mechanical quality factor QMS 3.64
• Electrical quality factor QES 0.61
• Total quality factor QTS 0.52

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 347cm³
• Power handling P 350W
• Program power Pmax 700W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 1.15mH
• VC Diameter 51mm
• Winding height HVC 24mm
• Winding material Copper
• Former material Aluminum

Magnet

• Flux density B 0.66T
• Force factor Bl 10.5N/A
• Motor constant Bl/√RE 5.87N/√W
• Air gap height HAG 8mm
• Material High grade ferrite

Diaphragm

• Effective diameter 235mm
• Effective area SD 434cm²
• Moving mass MMS 105g
• Moving mass (without air load) MMD 98.2g
• Material Laminated paper

Suspensions

• Stiffness KMS 4.35N/mm
• Compliance CMS 230µm/N
• Equivalent volume to the compliance VAS 60L
• Mechanical resistance RMS 5.85N·s/m

Dimensions

• Nominal diameter 12″
• 305mm
• Overall diameter 305mm
• Baffle cutout diameter 270mm
• Mounting depth 140mm
• Volume occupied by the driver 2.6L
• Net weight 4.7kg