Specification :

Dimension : 6.5 inch

Comments :

• Nominal impedance: 4OHM+/- 15%
• FO: 89 HZ+/-20% (without baffle)
• Output SPL:  85dB+/- 3dB, at PST from 1W/1M
• Sweep test: sine wave 9V, from 89k - 20K  HZ (must be normal)
• Bottoming test: sine wave,  10.5V, from 89 - 20K  HZ (must be normal) 
• Power input:
  • Nom: 20W
  • Max: 40W
• Life test:
  
  • White noise
  • 20W
  • 96H
• Magnet:
  • Size: 80*40*12
  • Grade: Y25
  • Weight: 10 OZ
• Voice coil: 25.5 mm  2(L)
  • Winding length: 7.5(mm)
  • Former material:  ASV/2L
• Qms: 4.048
• BL: 2.917
• Qes: 2.613
• MMs: 11.578
• Qts: 1.588
• Vas: 6.780