mivoc FR 358N

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.6dB
• Frequency response 80 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 88Hz
• Mechanical quality factor QMS 3.20
• Electrical quality factor QES 0.36
• Total quality factor QTS 0.32

Large signal parameters

• Maximum linear excursion xmax 3mm
• Air volume displaced at xmax VD 11cm³
• Power handling P 50W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 7.3Ω
• Inductance (1kHz) LE 0.23mH
• VC Diameter 25mm
• Winding height HVC 10mm

Magnet

• Force factor Bl 5.2N/A
• Motor constant Bl/√RE 1.92N/√W

Diaphragm

• Effective diameter 68mm
• Effective area SD 36.3cm²
• Moving mass MMS 2.4g
• Moving mass (without air load) MMD 2.2g

Suspensions

• Stiffness KMS 0.747N/mm
• Compliance CMS 1338µm/N
• Equivalent volume to the compliance VAS 2.5L
• Mechanical resistance RMS 0.41N·s/m

Dimensions

• Nominal diameter 3.5″
• 9mm
• Overall size 86 x 86mm
• Baffle cutout diameter 77mm
• Overall depth 51mm
• Flange thickness 4mm
• Mounting depth 47mm
• Volume occupied by the driver (estimated) 0.11L