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Proizvođač: | Eighteen Sound 15W700 |
Dostupnost: | Na stanju |
Šifra Proizvoda: | 4878 |
Prikazana cjena je za komad. |
LF Ferrite Driver 8 Ohm 99 dB SPL 1W / 1m average sensitivity 75 mm (3 in) Interleaved Sandwich Voice coil (ISV) 450 W AES power handling Weather protected cone and plates for outdoor usage Excellent transient response Improved heat dissipation via unique basket design Ideal for compact reflex subwoofers and multiway systems The 15W700 low frequency transducer meets the specific market demand for a loudspeaker which combines good linearity and efficiency with high power handling capabilities, containing a 75 mm Ø aluminum voice coil. Although primarily intended for use in tuned reflex enclosures, the versatile characteristics of the 15W700 render it suitable for a wide variety of enclosure types, particularly as a subwoofer or as a LF driver in 2 or 3-way systems. When used in a 2-way system, we recommend a 1.4" or 2" exit compression driver in order to obtain the best sound quality.The deep profile curvilinear paper cone has been made using a special high strength wood pulp and designed to achieve the best possible linearity within its intended frequency range and to control bell-mode resonances around the cone circumference. The cone is carried by an unusually deep profile, double half-roll suspension formed of a linen-like material which is more resistant to aging and fatigue than the traditional cotton-based materials used in conventional surrounds. The 75 mm Ø aluminum voice coil 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. The magnetic structure has been optimized using our in-house FEA CAD resource that has maximized the flux density in the voice coil gap. Excellent heat dissipation has also been achieved by incorporating air channels between the basket and the magnetic top plate. Due to the increase in use of audio systems at outdoor events, the ability of the 15W700 to perform in adverse weather conditions or in areas of high humidity is a great advantage. This has been achieved using exclusive treatments which enable the cone and the magnetic plate to resist corrosion and render the cone water repellent at the same time. GENERAL SPECIFICATIONS Nominal Diameter 380 mm (15 in) Rated Impedance 8 Ohm AES Power 450 W Program Power 700 W Peak Power 1500 W Sensitivity 99 dB Frequency Range 38 ÷ 5000 Hz Power Compression @-10dB 0,7 dB Power Compression @-3dB 2,3 dB Power Compression @Full Power 3,4 dB Max Recomm. Frequency 2000 Hz Recomm. Enclosure Volume 80 ÷ 140 lt. (2,82 ÷ 4,95 cuft) Minimum Impedance 6,8 Ohm at 25°C Max Peak To Peak Excursion 35 mm (1,38 in) Voice Coil Diameter 75 mm (2,95 in) Voice Coil Winding Material aluminum Suspension M-roll, Polycotton Cone Curvilinear, Paper THIELE SMALL PARAMETERS Fs 38 Hz Re 5,7 Ohm Sd 0,085 sq.mt. (131,75 sq.in.) Qms 3,8 Qes 0,33 Qts 0,3 Vas 217 lt. (7,67 cuft) Mms 80 gr. (0,18 lb) BL 18,4 Tm Linear Mathematical Xmax ± 6,5 mm (± 0,26 in) Le (1kHz) 1,57 mH Ref. Efficiency 1W@1m (half space) 97,8 dB MOUNTING INFORMATIONS Overall diameter 387 mm (15,23 in) N. of mounting holes 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 168,5 mm (6,63 in) Flange and gasket thickness 19,5 mm (0,76 in) Net weight 8,6 kg (18,98 lb) Shipping weight 9,7 kg (21,41 lb) CardBoard Packaging dimensions 405 x 405 x 214 mm (15,94 x 15,94 x 8,43 in) FREQUENCY RESPONSE CURVE OF 15W700 MADE ON 125 LIT. ENCLOSURE TUNED 50HZ IN FREE FIELD (4PI) ENVIRONMENT. ENCLOSURE CLOSES THE REAR OF THE DRIVER. THE THIN LINE REPRESENTS 45 DEG. OFF AXIS FREQUENCY RESPONSE FREE AIR IMPEDANCE MAGNITUDE CURVE
The 15W700 low frequency transducer meets the specific market demand for a loudspeaker which combines good linearity and efficiency with high power handling capabilities, containing a 75 mm Ø aluminum voice coil.
Although primarily intended for use in tuned reflex enclosures, the versatile characteristics of the 15W700 render it suitable for a wide variety of enclosure types, particularly as a subwoofer or as a LF driver in 2 or 3-way systems. When used in a 2-way system, we recommend a 1.4" or 2" exit compression driver in order to obtain the best sound quality.
The deep profile curvilinear paper cone has been made using a special high strength wood pulp and designed to achieve the best possible linearity within its intended frequency range and to control bell-mode resonances around the cone circumference. The cone is carried by an unusually deep profile, double half-roll suspension formed of a linen-like material which is more resistant to aging and fatigue than the traditional cotton-based materials used in conventional surrounds.
The 75 mm Ø aluminum voice coil 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.
The magnetic structure has been optimized using our in-house FEA CAD resource that has maximized the flux density in the voice coil gap. Excellent heat dissipation has also been achieved by incorporating air channels between the basket and the magnetic top plate.
Due to the increase in use of audio systems at outdoor events, the ability of the 15W700 to perform in adverse weather conditions or in areas of high humidity is a great advantage. This has been achieved using exclusive treatments which enable the cone and the magnetic plate to resist corrosion and render the cone water repellent at the same time.
GENERAL SPECIFICATIONS | |
Nominal Diameter | 380 mm (15 in) |
Rated Impedance | 8 Ohm |
AES Power | 450 W |
Program Power | 700 W |
Peak Power | 1500 W |
Sensitivity | 99 dB |
Frequency Range | 38 ÷ 5000 Hz |
Power Compression @-10dB | 0,7 dB |
Power Compression @-3dB | 2,3 dB |
Power Compression @Full Power | 3,4 dB |
Max Recomm. Frequency | 2000 Hz |
Recomm. Enclosure Volume | 80 ÷ 140 lt. (2,82 ÷ 4,95 cuft) |
Minimum Impedance | 6,8 Ohm at 25°C |
Max Peak To Peak Excursion | 35 mm (1,38 in) |
Voice Coil Diameter | 75 mm (2,95 in) |
Voice Coil Winding Material | aluminum |
Suspension | M-roll, Polycotton |
Cone | Curvilinear, Paper |
THIELE SMALL PARAMETERS | |
Fs | 38 Hz |
Re | 5,7 Ohm |
Sd | 0,085 sq.mt. (131,75 sq.in.) |
Qms | 3,8 |
Qes | 0,33 |
Qts | 0,3 |
Vas | 217 lt. (7,67 cuft) |
Mms | 80 gr. (0,18 lb) |
BL | 18,4 Tm |
Linear Mathematical Xmax | ± 6,5 mm (± 0,26 in) |
Le (1kHz) | 1,57 mH |
Ref. Efficiency 1W@1m (half space) | 97,8 dB |
MOUNTING INFORMATIONS | |
Overall diameter | 387 mm (15,23 in) |
N. of mounting holes | 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 | 168,5 mm (6,63 in) |
Flange and gasket thickness | 19,5 mm (0,76 in) |
Net weight | 8,6 kg (18,98 lb) |
Shipping weight | 9,7 kg (21,41 lb) |
CardBoard Packaging dimensions | 405 x 405 x 214 mm (15,94 x 15,94 x 8,43 in) |
FREQUENCY RESPONSE CURVE OF 15W700 MADE ON 125 LIT. ENCLOSURE TUNED 50HZ IN FREE FIELD (4PI) ENVIRONMENT. ENCLOSURE CLOSES THE REAR OF THE DRIVER. THE THIN LINE REPRESENTS 45 DEG. OFF AXIS FREQUENCY RESPONSE
FREE AIR IMPEDANCE MAGNITUDE CURVE