Eighteensound 18LW1251 18inch Lautsprecher Chassis 8 Ohm

Artikelnummer: ES18LW1251

Lieferzeit ca. 2 - 4 Werktage

Versandkostenfreie Lieferung voraussichtlich zwischen Saturday, 30.03 und Monday, 01.04 nach Deutschland

Mengenstaffelpreise
Von 2 Stück 322,91 €
Von 4 Stück 313,03 €
Von 8 Stück 309,73 €
Von 14 Stück 303,14 €
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Eighteensound 18LW1251 18inch Lautsprecher Chassis 8 Ohm


ES18LW1251

  • 98 dB SPL 1W / 1m average sensitivity
  • 100 mm (4 in) Interleaved Sandwich Voice coil (ISV)
  • 1000 W AES power handling
  • Double Silicon Spider (DSS) for improved excursion control and linearity
  • Weather protected cone and plates for outdoor usage
  • Improved heat dissipation via unique basket design and backplate vents
  • Suitable for high SPL subwoofer design

The 18LW1251 is the updated version of the 18LW1250, an 18 inch (460 mm) high performance extended low frequency transducer. It has been designed for use as a low bass or sub-woofer component, in either a reflex, bandpass or horn loaded configuration, in high power loudspeaker systems. The 18LW1251 design has evolved from extensive research carried out at our own R&D and Engineering facilities. It provides clean, undistorted low frequency reproduction at very high levels and is able to withstand high power without damage. The transducer design features include a large displacement suspension system which in conjunction with a high quality cone and the Eighteen Sound Double Silicon Spider (DSS), assure a very linear piston action and provide full control across the entire working range. This is further improved by a inside outside copper voice coil, based on our Interleaved Sandwich Voice coil (ISV) technology. This provides high levels of thermal stability and durability. The ISV technology is based on a high strength fiberglas former with half the coil wound on the outside and half on the inside, bonded together using unique high temperature resin adhesives. The result is a balanced linear motor exerting a very high force factor. Excellent heat dissipation is derived from a basket design which incorporates air channels between the basket and the magnetic top plate. In addition, eight air vents in the back plate, aligned with the voice coil, force the air into the lower part of the gap. Maximum flux density in the gap is assured by the special top and back plate design, resulting in a high BL factor. Due to the increasing use of audio systems at outdoor events, the ability to perform in adverse weather conditions or in areas of high humidity is a key feature of the 18LW1251. This has been achieved using exclusive cone treatment and magnetic plate processes which increase resistance to corrosion and render the cone water repellent.

Nominal Diameter460 mm
Nominal Impedance8 Ohm
Minimum Impedance6,4 Ohm
Nominal Power Handling11000 W
Continuous Power Handling21400 W
Sensitivity398,0 dB
Frequency Range35 - 3500 Hz
Voice Coil Diameter100 mm
Surround ShapeM-roll
Cone ShapeCurvilinear
Magnet MaterialFerrite
SpiderDouble Silicon Spider
Woofer Cone TreatmentWeather protected
Recommended Enclosure230,0 dm3
Recommended Tuning40 Hz
Resonance Frequency35 Hz
Re5,0 Ohm
Qes0,28
Qms8,0
Qts0,27
Vas268,0 dm3
Sd1134,0 cm2
Xmax9,0 mm
Mms142,0 g
Bl23,6 Txm
Le2,73 mH
EBP125 Hz
Overall Diameter462 mm
Bolt Circle Diameter438 mm
Baffle Cutout Diameter416,0 mm
Depth207 mm
Flange and Gasket Thickness19 mm
Net Weight13,0 kg
Shipping Weight14,7 kg
Shipping Box482 x 482 x 257 mm
Lochkreisdurchmesser
438 mm ( in)
Einbautiefe
207 mm ( in)
Woofer Cone Treatment
Weather protected
Re
5.0 Ω
BL
23.6 Txm
Empfindlichkeit
98.0 dB
Qts
0.27
MInimale Impedanz
6.4 Ω
Tuning Frequenz
40 Hz
Außendurchmesser
462 mm ( in)
Flange and Gasket Thickness
19 mm ( in)
Nominale Impedanz
8 Ω
Sd
1134.0 cm2 (175.77 in2)
Frequenzbereich
35 - 3500 Hz
Cone Shape
Curvilinear
Versandgewicht
14.7 kg ( lb)
Surround Shape
M-roll
Qms
8.0
Spider
Double Silicon Spider
Magnet
Ferrite
Xmax
9.0 mm
Nominale Belastbarkeit
1000 W
Schallwandausschnitt
416.0 mm ( in)
EBP
125 Hz
Schwingspulendurchmesser
100 mm (4.0 in)
Qes
0.28
Vas
268.0
Mms
142.0 g
Dauerbelastbarkeit
1400 W
Versandkarton
482 x 482 x 257 mm (19 x 19 x 10,1 in) mm ( in)
Recommended Enclosure
230.0 dm3 (8.12 ft3)
Netto Gewicht
13.0 kg
Nominaler Durchmesser
460 mm ( in)
Le
2.73 mH
Resonanz Frequenz
35 Hz

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