Product Description

  • Application: Midrange, Midbass and Woofer
  • 425 Watts Rated Power Handling
  • 850 Watts Program Power
  • 12 inch (310mm) Nominal diameter
  • 8 Ohms
  • Pressed steel basket
  • Kapton voice coil
  • Ferrite magnet
  • Paper cone
  • Cloth cone edge
  • Rubber boot
General Specifications
Nominal Basket Diameter310 mm / 12 inch
Rated Impedance8 ohm
Rated Power Handling425 Watts
Program Power850 Watts
Sensitivity94 dB
Frequency Range55 hz - 4 Khz
Magnet56 Oz
156x80x20 mm / 6.1x3.1x0.8 inch
Effective Piston Diameter258 mm / 10.1 inch
Minimum Impedance6.3 ohm
Voice Coil Diameter60.6 mm / 2.4 inch
Voice Coil MaterialKapton
Thiele - Small Parameters
Resonance Frequencyfs56 hz
DC Resistencere6.3 ohm
Mechanical FactorQms10.5
Electrical FactorQes0.75
Total FactorQts0.7
BL FactorBL11.7 T - m
Effective Moving MassMms47 gr
Equivalent Cas Air LoadVas68 liters
Maximum Linear ExcursionXmax3.19 mm
Voice Coil Inductance @ 1kHzLa1k1.04 mH
Mounting Information
Overall Diameter310 mm / 12.2 inch
Bolt Circle Diameter298 mm / 11.73 inch
Bolt Hole Diameter7.5x6 mm / 0.295x0.336 inch
Baffle Hole Diameter280 mm / 11.02 inch
Depth126 mm / 4.96 inch
Physical Information
Net Weight4.6 Kg / 10.14 Lbs
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