Eminence Sigma Pro 18 - 18 inch 650W 8 Ohm
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Eminence
Eminence Sigma Pro 18 - 18" 650W 8 Ohm
SPL: 99.0dB Fs: 28Hz Xmax: 6.1mm
 
Product Code: EMISIGPRO18A | Brand: Eminence | Model: SIGMA PRO 18A-2
Eminence Sigma Pro 18 - 18 inch 650W 8 Ohm

Eminence Sigma Pro 18 - 18 inch 650W 8 Ohm Eminence Sigma Pro 18 - 18 inch 650W 8 Ohm Eminence Sigma Pro 18 - 18 inch 650W 8 Ohm 
£229.43
£191.19 ex VAT
2-3 £225.99 ea.4-7 £222.55 ea.8+ £217.96 ea.
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Eminence Sigma Pro 18 650W 18" Driver

Performance-optimised for high power bass applications. Recommended for professional audio as a woofer in vented enclosures.

Specifications:

  • Nominal Basket Diameter 18", 457.2mm
  • Nominal Impedance* 8 ohms
  • Power Rating: Watts 650W, Music Program 1300W
  • Resonance 28Hz
  • Usable Frequency Range 41Hz - 2.4kHz
  • Sensitivity*** 99dB
  • Magnet Weight 120 oz.
  • Gap Height 0.37", 9.53mm
  • Voice Coil Diameter 3", 76.2mm


Thiele & Small Parameters :

  • Resonant Frequency (fs) 28Hz
  • DC Resistance (Re) 6.29
  • Coil Inductance (Le) 1.9mH
  • Mechanical Q (Qms) 8.28
  • Electromagnetic Q (Qes) 0.3
  • Total Q (Qts) 0.29
  • Compliance Equivalent Volume (Vas) 441.2 liters /
  • 15.6 cu.ft.
  • Peak Diaphragm Displacement Volume (Vd) 695cc
  • Mechanical Compliance of Suspension (Cms) 0.24mm/N
  • BL Product (BL) 22.1 T-M
  • Diaphragm Mass Inc. Airload (MMs) 130 grams
  • Efficiency Bandwidth Product (EBP) 93
  • Maximum Linear Excursion (Xmax) 6.1mm
  • Surface Area of Cone (Sd) 1140 cm2
  • Maximum Mechanical Limit (Xlim) 18mm


Mounting Information :

  • Driver Volume Displaced 403.9 cu.in. / 6.62 liters
  • Overall Diameter 18", 457.2mm
  • Baffle Hole Diameter 16.56", 420.5mm
  • Front Sealing Gasket Fitted as standard
  • Rear Sealing Gasket Fitted as standard
  • Mounting Holes Diameter 0.28", 7.1mm
  • Mounting Holes B.C.D. 17.25", 438.2mm
  • Depth 8.15", 207mm
  • Net Weight 24.5 lbs, 11.1 kg
  • Shipping Weight 28.1 lbs, 12.8 kgs


Materials of Construction:

  • Coil Construction Copper voice coil
  • Coil Former Polyimide former
  • Magnet Composition Ferrite magnet
  • Core Details Vented and extended core
  • Basket Materials Die-cast aluminum basket
  • Cone Composition Paper Cone
  • Cone Edge Composition Cloth cone edge
  • Dust Cap Composition Solid composition paper dust cap

Eminence Sigma Pro 18 Mk 2 Twin Pack
Pack size: 2 units @ £451.97 incl VAT - Equivalent price: £225.98 incl VAT per item

Eminence Sigma Pro 18 Mk 2 Twin Pack - currently in stock2 IN STOCK
Product Code: EMISIGPRO18A_2PK

Eminence Sigma Pro 18 Mk 2 Four Pack
Pack size: 4 units @ £890.18 incl VAT - Equivalent price: £222.55 incl VAT per item

Eminence Sigma Pro 18 Mk 2 Four Pack - currently in stock1 IN STOCK
Product Code: EMISIGPRO18A_4PK
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