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Eighteensound 18TLW3000 Extended LF Ferrite Transducer Lautsprecher

Extended LF Ferrite Transducer

ArtNr.: ES18TLW3000
dd
395,00 *
Gewicht:: 16 kg
Sofort lieferbar.
  • 3600 W program power handling
  • 100 mm (4 in) Tetracoil dual voice coil, equivalent to a single coil diameter larger than 152 mm (> 6 in)
  • Ultra linear suspension behavior for excellent sound clarity
  • Symmetric flux density and inductance behaviour
  • Low noise forced air cooling design
  • Water repellent cone and epoxy coated plates for outdoor use
  • Suitable for vented, horn loaded and bandpass subwoofer design

The 18TLW3000 is an 18 inch diameter high performance subwoofer, specifically designed for high SPL subwoofer applications in either a reflex, bandpass or horn loaded configuration. For optimum results we recommend the usage of power amplifiers able to deliver 3600W program power without clipping18TLW3000 uses Eighteen Sound proprietary Tetracoil technology, where two different, axially separated magnetic gaps and two inside-outside 4" diameter voice coils are wound on the same former and suspended evenly in the two magnetic gaps.The Tetracoil design key advantages are:1) a symmetric flux density versus displacement behavior, that minimizes the even distortion products;2) a very symmetric and flat inductance curve;3) the equivalent voice coil diameter of a 4" Tetracoil speaker is greater than 6". Consequently heat dissipation occurs over a larger surface area, driving AES power handling up to 1800 W.18TLW3000 design features include a large displacement suspension system which, in conjunction with a fiberglass reinforced, straight ribbed cone allows an ultra-linear piston action and provides full mechanical control across the entire working range.In order to furtherly increase power handling and reduce power compression figure, a low density material air diffractor is placed into the backplate venting hole acting as a cooling system, increasing power handling capability and lowering the power compression figure.18TLW3000 is able to perform properly under inclement weather conditions: the exclusive cone treatment improves pulp strength and gives water repellent properties to both sides of the membrane. In addition, magnetic structure metal plates coating is far more resistant than standard zinc coating to the corrosive effects of salts and oxidization.

Nominal Diameter 460 mm (18 in)
Rated Impedance 8 Ohm
AES Power 1800 W
Program Power 3600 W
Peak Power 10000 W
Sensitivity 95 dB
Frequency Range 30 - 2000 Hz
Power Compression @-10dB 0,6 dB
Power Compression @-3dB 2,0 dB
Power Compression @Full Power 3,4 dB
Max Recomm. Frequency 150 Hz
Recomm. Enclosure Volume 100 ÷ 350 lt. (3,53 ÷ 12,36 cuft)
Minimum Impedance 5,7 Ohm at 25°C
Max Peak To Peak Excursion 45 mm (1.77 in)
Voice Coil Diameter 100 mm (4 in)
Voice Coil Equiv. Diameter > 152 mm (> 6 in)
Voice Coil Winding Material copper
Suspension Triple roll, Polycotton
Cone Curvilinear fiberglass loaded cellulose
Thiele Small Parameters
Fs 33 Hz
Re 4,6 Ohm
Sd 0,1225 sq. mt. (189,88 sq. in.)
Qms 13,00
Qes 0,42
Qts 0,41
Vas 185 lt. (6.53 cuft)
Mms 266 gr. (0,59 lb)
BL 24,5 Tm
Linear Mathematical Xmax ± 12 mm (± 0,47 in)
Le (1kHz) 1,80 mH
Ref. Efficiency 1W@1m (half space) 94,0 dB
Mounting information
Overall diameter 462 mm (18,18 in)
N. of mounting holes and bolt 8
Mounting holes diameter 8,5 mm (0,33 in)
Bolt circle diameter 438-440 mm (17,24-17,32 in)
Front mount baffle cutout ø 425 mm (16.73 in)
Rear mount baffle cutout ø 414 mm (16,30 in)
Total depth 275 mm (10,83 in)
Flange and gasket thickness 24 mm (0.94 in)
Net weight 13,2 kg (29.10 lb)
Shipping weight 14,6 kg (32,18 lb)
CardBoard Packaging dimensions 482 x 482 x 257 mm (19 x 19 x 10,1 in)
lieferbar
sofort lieferbar
Hersteller
Eigteensound
Preis
300 - 400 EUR
Extended LF Ferrite Transducer
Extended LF Ferrite Transducer

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