SUPRAVOX 165-2000

• Sensitivity (1W, 1m, infinite baffle) SPL1W 95.4dB
• Frequency response 60 - 20000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 70Hz
• Mechanical quality factor QMS 6.00
• Electrical quality factor QES 0.90
• Total quality factor QTS 0.78

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 83cm³
• Power handling P 35W
• Program power Pmax 70W

Voice Coil

• Nominal impedance Z 4Ω
• DC resistance RE 4.1Ω
• Inductance (1kHz, estimated) LE 0.26mH

Magnet

• Flux density B 2T
• Force factor Bl 3.2N/A
• Motor constant Bl/√RE 1.58N/√W
• Weight 1.2kg
• Material Alnico

Diaphragm

• Effective diameter 145mm
• Effective area SD 165cm²
• Moving mass MMS 4.9g
• Moving mass (without air load) MMD 3.3g

Suspensions

• Stiffness KMS 0.909N/mm
• Compliance CMS 1100µm/N
• Equivalent volume to the compliance VAS 40L
• Mechanical resistance RMS 0.36N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 6.5″
• 165mm
• Overall diameter 185mm
• Baffle cutout diameter 160mm
• Overall depth 95mm
• Flange thickness 10mm
• Mounting depth 85mm
• Volume occupied by the driver (estimated) 0.7L
• Frame material Aluminium