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- 100,5dB SPL 1W / 1m average sensitivity
- 65 mm (2,5 in) Interleaved Sandwich Voice coil (ISV)
- 350 W AES power handling
- Excellent transient response and cone damping
- Improved heat dissipation via unique basket design
- Ideal for compact two way and multiway systems
DescriptionThe 15W500 is a fine example of a high quality transducer providing the right balance between performance and engineering costs. This ferrite low frequency driver satisfies the demand for a 15" loudspeaker which combines excellent linearity with good sensitivity and power handling characteristics. The 15W500 has been designed for two-way or multi-way reflex systems. The high quality paper cone has a smooth, Eighteen Sound specified curvilinear textured profile design that eliminates bell-mode resonance within the intended frequency range. The cone is carried by a specially treated and dampened multi-roll linen suspension designed to control excursion while maintaining piston action linearity. The 15W500 also employs our Interleaved Sandwich Voice coil (ISV) technology, in which a high strength fiberglas former carries windings on both the outer and inner surfaces to achieve a mass balanced coil. This results in an extremely linear motor assembly with a reduced tendency for eccentric behavior when driven hard. Voice coil cooling has been achieved by incorporating airways between the chassis back plate and the magnetic top plate, allowing heated air from the voice coil and gap to be channeled away and dissipated by the chassis basket. This technology is the result of a meticulous 3D CAD design project.
Nominal Diameter 380 mm (15 in) Rated Impedance 8 Ohm AES Power 350 W Program Power 500 W Peak Power 1000 W Sensitivity 100,5 dB Frequency Range 50 ÷ 4500 Hz Power Compression @-10dB 0,7 dB Power Compression @-3dB 2,5 dB Power Compression @Full power 4,0 dB Max Recomm. Frequency 3000 Hz Recomm. Enclosure Volume 80 ÷ 200 lt. (2,47 ÷ 5,3 cuft) Minimum Impedance 6 Ohm at 25°C Max Peak To Peak Excursion 23 mm (0,88 in) Voice Coil Diameter 64 mm (2,5 in) Voice Coil Winding Material aluminum Suspension Multiroll, Polycotton Cone Curvilinear ribbed, Paper
Thiele Small Parameters
Fs 50 Hz Re 5,2 Ohm Sd 0,085 sq.mt. (131,75 sq.in.) Qms 9,64 Qes 0,55 Qts 0,52 Vas 189 lt. (6,68 cuft) Mms 55 gr. (0,12 lb) BL 12,6 Tm Linear Mathematical Xmax ± 4 mm (±0,16 in) Le (1kHz) 1,04 mH Ref. Efficiency 1W@1m (half space) 98,2 dB
Overall diameter 387 mm (15,23 in) N. of mounting holes and bolt 8 Mounting holes diameter 7,15 mm (0,28 in) Bolt circle diameter 370 - 371 mm (14,55 - 14,6 in) Front mount baffle cutout ø 353 mm (13,90 in) Rear mount baffle cutout ø 357 mm (14,06 in) Total depth 161 mm (6,33 in) Flange and gasket thickness 11,5 mm (0,45 in) Net weight 4,3 kg (9,4 lb) Shipping weight 5,1 kg (11,2 lb) CardBoard Packaging dimensions 405 x 405 x 214 mm (15,94 x 15,94 x 8,43 in)
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