Micro-Precision 3.16 MK II

• Sensitivity (1W, 1m, infinite baffle) SPL1W 88.3dB

Thiele & Small parameters

• Resonance frequency (free air) fS 61Hz
• Mechanical quality factor QMS 4.50
• Electrical quality factor QES 0.71
• Total quality factor QTS 0.61

Large signal parameters

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz) LE 0.35mH

Magnet

• Force factor Bl 5.1N/A
• Motor constant Bl/√RE 2.73N/√W

Diaphragm

• Effective diameter 135mm
• Effective area SD 143cm²
• Moving mass MMS 13.7g
• Moving mass (without air load) MMD 12.4g

Suspensions

• Stiffness KMS 2.01N/mm
• Compliance CMS 497µm/N
• Equivalent volume to the compliance VAS 14.5L
• Mechanical resistance RMS 1.16N·s/m

Dimensions

• Nominal diameter 6.5″
• 167mm
• Overall diameter 167mm
• Baffle cutout diameter 145mm
• Overall depth 67mm
• Flange thickness 3mm
• Mounting depth 64mm
• Volume occupied by the driver (estimated) 0.52L
• Net weight 1.9kg