SUPRAVOX 215-2000 mk2

• Sensitivity (1W, 1m, infinite baffle) SPL1W 97dB
• Frequency response 45 - 18000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 65Hz
• Mechanical quality factor QMS 8.00
• Electrical quality factor QES 0.61
• Total quality factor QTS 0.57

Large signal parameters

• Maximum linear excursion xmax 2.9mm
• Maximum excursion before damage xlim 6.5mm
• Air volume displaced at xmax VD 65cm³
• Power handling P 35W
• Program power Pmax 70W

Voice Coil

• Nominal impedance Z 6Ω
• DC resistance RE 4.1Ω
• Inductance (1kHz) LE 0.18mH
• VC Diameter 35mm

Magnet

• Flux density B 1.4T
• Force factor Bl 4.64N/A
• Motor constant Bl/√RE 2.29N/√W
• Material Alnico

Diaphragm

• Effective diameter 168mm
• Effective area SD 222cm²
• Moving mass MMS 8.1g
• Moving mass (without air load) MMD 5.6g

Suspensions

• Stiffness KMS 1.33N/mm
• Compliance CMS 750µm/N
• Equivalent volume to the compliance VAS 52L
• Mechanical resistance RMS 0.41N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 8″
• 215mm
• Overall diameter 224mm
• Baffle cutout diameter 212mm
• Overall depth 157mm
• Volume occupied by the driver (estimated) 2L
• Net weight 4.8kg
• Frame material Aluminium