SUPRAVOX 245 EXC Heritage

• Sensitivity (1W, 1m, infinite baffle) SPL1W 100.3dB
• Frequency response 60 - 8000Hz

Thiele & Small parameters

• Resonance frequency (free air) fS 70Hz
• Mechanical quality factor QMS 11.00
• Electrical quality factor QES 0.30
• Total quality factor QTS 0.30

Large signal parameters

• Maximum linear excursion xmax 4mm
• Maximum excursion before damage xlim 7mm
• Air volume displaced at xmax VD 132cm³
• Power handling P 25W
• Program power Pmax 50W

Voice Coil

• Nominal impedance Z 8Ω
• DC resistance RE 6.5Ω
• Inductance (1kHz) LE 0.82mH
• VC Diameter 35mm

Magnet

• Flux density B 1.5T
• Force factor Bl 11N/A
• Motor constant Bl/√RE 4.31N/√W
• Material Electromagnet

Diaphragm

• Effective diameter 205mm
• Effective area SD 330cm²
• Moving mass MMS 12g
• Moving mass (without air load) MMD 7.7g
• Material Paper

Suspensions

• Stiffness KMS 2.63N/mm
• Compliance CMS 380µm/N
• Equivalent volume to the compliance VAS 55L
• Mechanical resistance RMS 0.48N·s/m
• Surround material Paper

Dimensions

• Nominal diameter 10″
• 245mm
• Overall diameter 249mm
• Baffle cutout diameter 237mm
• Overall depth 183mm
• Volume occupied by the driver (estimated) 3L
• Net weight 7.1kg
• Frame material Die cast aluminium