Morel PRIMO 104

• Sensitivity (1W, 1m, infinite baffle) SPL1W 87.5dB
• Frequency response 25 - 900Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 35Hz
• Mechanical quality factor QMS 3.59
• Electrical quality factor QES 0.49
• Total quality factor QTS 0.43

Large signal parameters

• Maximum linear excursion xmax 8mm
• Air volume displaced at xmax VD 256cm³
• Power handling P 300W
• Program power Pmax 600W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.2Ω
• Inductance (1kHz) LE 1.1mH
• VC Diameter 51mm
• Winding height HVC 24mm
• Winding material Copper
• Former material Aluminum

Magnet

• Flux density B 0.66T
• Force factor Bl 10.1N/A
• Motor constant Bl/√RE 5.62N/√W
• Air gap height HAG 8mm
• Material High grade ferrite

Diaphragm

• Effective diameter 202mm
• Effective area SD 320cm²
• Moving mass MMS 70g
• Moving mass (without air load) MMD 65.7g
• Material Laminated paper

Suspensions

• Stiffness KMS 3.7N/mm
• Compliance CMS 270µm/N
• Equivalent volume to the compliance VAS 40L
• Mechanical resistance RMS 4.45N·s/m

Dimensions

• Nominal diameter 10″
• 263mm
• Overall diameter 263mm
• Baffle cutout diameter 230mm
• Mounting depth 130mm
• Volume occupied by the driver 2.34L
• Net weight 4.56kg