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Eminence Sigma Pro 18in (457mm) 650W Bass PA Speaker

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About this product


  • Omega Pro 18 inch driver for bass applications
  • 8&ohm impedance up to 650Wrms
  • 41Hz-2.4KHz frequency range

Product overview

• Omega Pro 18 inch driver for bass applications
• 8Ω impedance up to 650Wrms
• 41Hz-2.4KHz frequency range

Recommended for professional audio as a woofer in vented enclosures. Suitable for horn loading and bass scoop enclosures


General Specifications
Nominal diameter 457.2mm/18in
Power rating 800W
Nominal impedance 8
Sensitivity 99dB
Frequency range 41Hz-2.4kHz
Voice coil diameter 76.2mm/3in
Chassis type Die-cast Aluminium
Magnet type Ferrite
Magnet weight 3.4kg/120oz
Coil material Copper
Former material Polymide
Cone material Paper Cone
Surround material Cloth cone edge
Xmax 6.1mm
Gap depth 9.53mm/0.37in
Diameter 457.2mm/18in
Overall depth 207mm/8.15in
Cut-out diameter 420.5mm/16.56in
Mounting slot dimensions 7.1mm/0.28in
Number of mounting slots 8
Mounting PCD range 438.2mm/17.25in
Unit weight 11.1kg/24.2lb