Scan-Speak 16W/4531G06

• Sensitivity (1W, 1m, infinite baffle) SPL1W 85.7dB
• Frequency response 51 - 6000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 51Hz
• Mechanical quality factor QMS 5.08
• Electrical quality factor QES 0.66
• Total quality factor QTS 0.59

Large signal parameters

• Maximum linear excursion xmax 6.5mm
• Maximum excursion before damage xlim 9.5mm
• Air volume displaced at xmax VD 80cm³
• Power handling P 70W
• Program power Pmax 125W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 3.5Ω
• Inductance (1kHz, estimated) LE 0.49mH
• VC Diameter 38mm
• Winding height HVC 17.5mm

Magnet

• Force factor Bl 5.18N/A
• Motor constant Bl/√RE 2.78N/√W
• Air gap height HAG 4mm
• Material Neodymium

Diaphragm

• Effective diameter 125mm
• Effective area SD 123cm²
• Moving mass MMS 16.3g
• Moving mass (without air load) MMD 15.3g
• Material Sliced

Suspensions

• Stiffness KMS 1.7N/mm
• Compliance CMS 590µm/N
• Equivalent volume to the compliance VAS 12.6L
• Mechanical resistance RMS 1.02N·s/m
• Surround material SBR Rubber

Dimensions

• Nominal diameter 6.5″
• 160mm
• Volume occupied by the driver 0.2L
• Net weight 0.8kg
• Frame material Die cast Aluminium