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Eminence Sigma Pro 18 A V2 18" Speaker 650 W 8 Ohms - die-cast Basket

#915684
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SIGMA PRO 18A Professional Series
Recommended for professional audio as a woofer in vented enclosures.

  • Product type Loudspeaker Chassis
  • Type PA
  • Nominal Diameter 18 "
  • Nominal Diameter 457.2 mm
  • Voice Coil 3 "
  • Voice Coil 76.2 mm
  • Overall diameter 457.2 mm
  • Pitch Circle Diameter 438.2 mm
  • Section Diameter 420.5 mm
  • Diameter of fixing holes 7.1 mm
  • Depth 207 mm
  • Nominal Impedance 8 Ohm(s)
  • Nominal Load Capacity 650 W
  • maximum rated load 1300 W
  • Sensitivity (1 W / 1 m) 99 dB
  • Frequency response 41 - 2400 Hz
  • Voice Coil Material copper
  • Magnet Ferrite
  • Depth of the magnetic gap 9.53 mm
  • Thiele & Small Parameter
  • Fs (Resonance Frequency) 28 Hz
  • Re (DC resistance) 6.29 Ohm(s)
  • Qms (mechanical quality) 8.28
  • Le (inductance of the voice coil) 1.9 mH
  • Qes (electrical quality) 0.3
  • Qts (overall quality) 0.29
  • Vas (equivalent volume) 441.2
  • Mms (moving mass) 130 g
  • BL (power factor) 22.1 T/m
  • Xmax (maximum displacement) 6.1 mm
  • Cms (elasticity of the suspension) 0.24 mm/N
  • Sd (membrane area) 1140 cm²
  • Weight 12,75 kg

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