500 Watts 4 Ohm Eminence Delta Pro – 18″ Speaker

£215.00

Available on backorder

SKU: EDP18C Category:

Description

DELTA PRO Series 400W

Recommended for professional audio in both sealed and vented enclosures. Ideal for full-range, mid/hi, and
monitor wedges.
SPECIFICATION

  • Nominal Basket Diameter 18″, 457 mm
  • Nominal Impedance 4 ohms
  • Power Rating Watts 500 W / Music Program 1000 W
  • Resonance 28 Hz
  • Usable Frequency Range 37 Hz – 250 Hz
  • Sensitivity 96
  • Magnet Weight 67 oz.
  • Gap Height 0.38″, 9.53 mm
  • Voice Coil Diameter 2.5″, 63.5 mm

THIELE & Small Parameters

  • Resonant Frequency (fs) 28 Hz
  • DC Resistance (Re) 5.3
  • Coil Inductance (Le) 3.43 mH
  • Mechanical Q (Qms) 10.38
  • Electromagnetic Q (Qes) 0.33
  • Total Q (Qts) 0.32
  • Compliance Equivalent Volume (Vas) 493.19 liters / 17.41 cu. ft.
  • Peak Diaphragm Displacement Volume (Vd) 796.00 cc
  • Mechanical Compliance of Suspension (Cms) 0.25 mm/N
  • BL Product (BL) 18.9 T-M
  • Diaphragm Mass inc. Airload (Mms) 128.1 grams
  • Efficiency Bandwidth Product (EBP) 84
  • Maximum Linear Excursion (Xmax) 6.7 mm
  • Surface Area of Cone (Sd) 1188.0 cm²
  • Maximum Mechanical Limit (Xlim) 15.0 mm

MOUNTING Information

  • Recommended Enclosure Volume
    Sealed N/A
    Vented 85-297 liters/3.0-10.5 cu. ft.
  • Overall Diameter 18.00″, 457.20 mm
  • Baffle Hole Diameter 16.57″, 420.88 mm
  • Front Sealing Gasket fitted as standard
  • Rear Sealing Gasket fitted as standard
  • Mounting Holes Diameter 0.28″, 7.11 mm
  • Mounting Holes B.C.D. 17.25″, 438.15 mm
  • Depth 8.13″, 206.50 mm

MATERIALS of Construction

  • Copper voice coil
  • Polyimide former
  • Ferrite magnet
  • Vented and extended core
  • Die-cast aluminum basket
  • Paper Cone
  • Cloth cone edge
  • Solid composition paper dust cap
  • (PLEASE CONTACT OUR OFFICE RE SHIPPING)

Additional information

Weight 7.7 kg
4 Ohms
8 Ohms

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