Difuzor LF neodim 18NTLW5000

Difuzor LF neodim 18NTLW5000
5052.42 Lei (-19%)
4092.46 Lei
*pretul include TVA
La comanda
18 Sound
cod produs: 18NTLW5000
Descrierea Produsului

 

 
  • 95 dB SPL 1W / 1m average sensitivity
  • Dual 115mm (4,5 in) Tetracoil Aluminum Voice coil
  • 4000 W program power handling
  • 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
  • Suitable for vented, horn loaded and bandpass applications

The 18NTLW5000 is a 18 inch diameter next generation high performance subwoofer, specifically designed for high SPL very low frequency applications in either a reflex, bandpass or horn loaded configuration. For optimum results we recommend the usage of power amplifiers able to deliver 4000W program power without clipping.
The 18NTLW5000 uses Eighteen Sound proprietary Tetracoil technology, where two different, axially separated magnetic gaps and two inside-outside 4.5" diameter aluminum 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 4.6" Tetracoil speaker is greater than 6". Consequently heat dissipation occurs over a larger surface area, driving AES power handling up to 1800 W.
18NTLW5000 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.
18NTLW5000 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 462 mm (18 in)
Rated Impedance 8 Ohm
AES Power 1800 W
Program Power 4000 W
Sensitivity 95 dB
Frequency Range 30-1800Hz
Max Recomm. Frequency 150 Hz
Recomm. Enclosure Volume 120 ÷ 250 lt. (4.24 ÷ 8.83 cu.ft)
Minimum Impedance 6.8 Ω at 25°
Max Peak To Peak Excursion 60 mm (2.36 in)
Voice Coil Diameter dual 115 mm (4.53 in)
Voice Coil winding material Aluminum
Suspension Triple roll, Polycotton
Cone Curvilinear paper composite, Water, UV repellent

 





Mounting information

Overall diameter 462 mm (18.19 in)
N. of mounting holes and bolt 8
Mounting holes diameter 8.5 mm (0.33 in)
Bolt circle diameter 440 mm (17.32 in)
Front mount baffle cutout ø 416 mm (16.38 in)
Rear mount baffle cutout ø 422 mm (16.61 in)
Total depth 310 mm (12.20 in)
Flange and gasket thickness 26 mm (1.02 in)
Net weight 12 kg (26.46 lb)
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