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Eighteen Sound

12W500 8 Ohm

Šifra Proizvoda: 11315

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139 €

Dostupnost:

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Kratak opis

The 12W500 is a 500W program low frequency driver designed to satisfy the need for a 12" loudspeaker which combines excellent linearity with good sensitivity and power handling characteristics. It is primarily intended for compact bass reflex applications in enclosures as small as 50 lt, typically for two-way systems in combination with 1" compression driver.

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The high quality paper cone has a smooth, curvilinear profile design that eliminates bell-mode resonances within the intended frequency range. This is carried by a specially treated, dampened double half-roll linen suspension which has been designed to control excursion maintaining the piston action linearity. The 12W500 employs the 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 is achieved by incorporating airways between the chassis back plate and the top plate of the magnet, allowing heated air from the voice coil and gap to be channeled away and dissipated by the chassis basket.

Key Features

  • 99,5 dB SPL 1W / 1m average sensitivity
  • 65 mm (2,5 in) Interleaved Sandwich Voice coil (ISV)
  • 350 W AES power handling
  • Excellent transient response
  • Improved heat dissipation via unique basket design
  • Ideal for compact two way systems

General Specifications

Nominal Diameter 300 mm (12 in)
Rated Impedance 8 Ohm
AES Power 350 W
Program Power 500 W
Peak Power 1000 W
Sensitivity 99,5 dB
Frequency Range 50 - 6000 Hz
Power Compression @-10dB 0,7 dB
Power Compression @-3dB 2,5 dB
Power Compression @Full Power 4,1 dB
Max Recomm. Frequency 2500 Hz
Recomm. Enclosure Volume 50 - 100 lt. (1,77 - 3,53 cuft)
Minimum Impedance 6,4 Ohm at 25°C
Max Peak To Peak Excursion 22 mm (0,87 in)
Voice Coil Diameter 64 mm (2,5 in)
Voice Coil winding material aluminum
Suspension M-roll, Polycotton
Cone Curvilinear, Paper

Thiele Small Parameters

Fs 46 Hz
Re 5,2 Ohm
Sd 0,0531 sq.mt. (82,31 sq.in.)
Qms 6,02
Qes 0,38
Qts 0,36
Vas 123 lt. (4,34 cuft)
Mms 36,5 gr. (0,08 lb)
BL 12,1 Tm
Linear Mathematical Xmax ± 4 mm (±0,16 in)
Le (1kHz) 1,12 mH
Ref. Efficiency 1W@1m (half space) 97,2 dB

Mounting information

Overall diameter 315 mm (12,4 in)
N. of mounting holes and bolt 8
Mounting holes diameter 7,15 mm (0,28 in)
Bolt circle diameter 296 - 300 mm (11,65 - 11,8 in)
Front mount baffle cutout ø 282 mm (11,1 in)
Rear mount baffle cutout ø 282 mm (11,1 in)
Total depth 141 mm (5,55 in)
Flange and gasket thickness 16,5 mm (0,65 in)
Net weight 4,5 kg (9,93 lb)
Shipping weight 5,7 kg (12,56 lb)
Packaging Dimensions 5,7 kg (12,56 lb)

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