SUPRAVOX 215 GMF

• Sensitivity (1W, 1m, infinite baffle) SPL1W 99.7dB
• Frequency response 40 - 5000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 45Hz
• Mechanical quality factor QMS 6.00
• Electrical quality factor QES 0.35
• Total quality factor QTS 0.33

Large signal parameters

• Maximum linear excursion xmax 5mm
• Air volume displaced at xmax VD 143cm³
• Power handling P 40W
• Program power Pmax 80W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 8.0Ω
• Inductance (1kHz, estimated) LE 0.82mH

Magnet

• Flux density B 1.5T
• Force factor Bl 8N/A
• Motor constant Bl/√RE 2.83N/√W
• Diameter 96mm

Diaphragm

• Effective diameter 190mm
• Effective area SD 285cm²
• Moving mass MMS 10g
• Moving mass (without air load) MMD 6.6g

Suspensions

• Stiffness KMS 1N/mm
• Compliance CMS 1000µm/N
• Equivalent volume to the compliance VAS 120L
• Mechanical resistance RMS 0.47N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 8″
• 215mm
• Overall diameter 224mm
• Baffle cutout diameter 212mm
• Overall depth 110mm
• Flange thickness 10mm
• Mounting depth 100mm
• Volume occupied by the driver (estimated) 1.1L
• Frame material Aluminium