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Eminence Definimax 4018 LF - 18" Speaker 800 W 8 Ohm - die-cast Basket

Item number: ADHEDM4018LFA

DEFINIMAXâ?¢ 4018LF Professional Series

Recommended for professional audio and bass as a low distortion sub-woofer in single or multi-driver designs.


SPECIFICATION
  • Nominal Basket Diameter 18", 457.2 mm
  • Nominal Impedance 8 ohms
  • Power Rating Watts 800 W / Music Program 1600 W
  • Resonance 32Hz Usable Frequency Range 36 Hz -200 Hz
  • Sensitivity 95
  • Magnet Weight 109
  • Gap Height 0.375",
  • Voice Coil Diameter 4", 101.6 mm

THIELE & Small Parameters
  • Resonant Frequency (fs) 32 Hz
  • DC Resistance (Re) 6.19
  • Coil Inductance (Le) 4.78 mH
  • Mechanical Q (Qms) 10.38
  • Electromagnetic Q (Qes) 0.36
  • Total Q (Qts) 0.35
  • Compliance Equivalent Volume (Vas) 237.9 liters / 8.4 cu. ft.
  • Peak Diaphragm Displacement Volume 939 cc
  • Mechanical Compliance of Suspension (Cms) 0.12 mm/N
  • BL Product (BL) 27.0
  • Diaphragm Mass inc. Airload (Mms) 211 grams
  • Efficiency Bandwidth Product (EBP) 89
  • Maximum Linear Excursion (Xmax) 7.9 mm
  • Surface Area of Cone (Sd) 1188.0 cm²
  • Maximum Mechanical Limit (Xlim) 15.9 mm

MOUNTING Information
  • Recommended Enclosure Volume
    Sealed N/A
    Vented 125-210
  • Overall Diameter 18",
  • Baffle Hole Diameter 16.57",
  • Front Sealing Gasket fitted as standard
  • Rear Sealing Gasket fitted as standard
  • Mounting Holes Diameter 0.28", 7 mm
  • Mounting Holes B.C.D. 17.25", 438.2 mm
  • Depth 8.13", 206.4 mm

MATERIALS of Construction
  • Copper voice coil
  • Polyimide former
  • Ferrite magnet
  • Undercut with copper shorting ring and Core Periphery Ventilation
  • Die-cast aluminum basket
  • Acrylic Wetlook Paper Cone
  • Cloth cone edge
  • Acrylic wetlook paper dust cap

Category: Eminence


299,00 €

including 19% VAT., no shipping costs (Paketversand)

Recommended retail price: 398,60 €
(You save 24.99%, that is 99,60 €)
Must be ordered. Ready for shipment in 2 days

Shipping time: 3 - 5 workdays



Description

DEFINIMAX?¢ 4018LF Professional Serie

Empfohlen als besonders verzerrungsarmer Subwoofer für professionelle Audioanwendungen und Bass (Gehäuse mit einem oder mehreren Treibern).


  • Produktart: Lautsprecher-Chassis
  • Typ: PA
  • nominaler Durchmesser: 18 ", 457,2 mm
  • Schwingspule: 4 ", 101,6 mm
  • Gesamtdurchmesser: 457,2 mm
  • Lochkreisdurchmesser: 438,2 mm
  • Ausschnittdurchmesser: 420,9 mm
  • Durchmesser Befestigungslöcher: 7 mm
  • Tiefe: 206,4 mm
  • nominale Impedanz: 8 Ohm
  • nominale Belastbarkeit: 1200 W
  • maximale Belastbarkeit: 2400 W
  • Empfindlichkeit (1 W / 1 m): 95 dB
  • Frequenzgang: 36 - 200 Hz
  • Material Schwingspule: Kupfer
  • Magnet: Ferrit
  • Magnetspalt-Tiefe: 9,53 mm

Thiele & Small Parameter

  • Fs (Resonanzfrequenz): 32 Hz
  • Re (Gleichstromwiderstand): 6,19 Ohm
  • Qms (Mechanische Güte): 10,38
  • Le (Induktivität der Schwingspule): 4,78 mH
  • Qes (Elektrische Güte): 0,36
  • Qts (Gesamtgüte): 0,35
  • Vas (Ã?quavilentvolumen): 237,9
  • Mms (Bewegte Masse): 211 g
  • BL (Kraftfaktor): 27 Tesla/meter
  • Xmax (Maximale Auslenkung): 7,9 mm
  • Cms (Nachgiebigkeit der Aufhängung): 0,12 mm/N
  • Sd (Membranfläche): 1188 cm²
  • Gewicht: 11,79 kg

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