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18 Sound 12W700
Art.Nr.: 18S12W700
18-Sound 12W700 LF Ferrite Treiber
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Hersteller:
Eighteensound
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18 Sound 12W700
SMALL SPECIFICATIONS
98 dB SPL 1W / 1m average sensitivity 75 mm (3 in) Interleaved Sandwich Voice coil (ISV) 450 W continuous pink noise power handling Weather protected cone and plates for outdoor usage Excellent transient response Ideal for compact two way, multiway systems and subwoofer applications Improved heat dissipation via unique basket design
The 12W700 meets the specific market requirement for a loudspeaker which combines the excellent linearity, good efficiency and high power handling of the 15W700 model but in a 12" chassis for use in more compact systems. It is primarily intended for application in compact reflex and band-pass enclosures but can also be used for horn loaded configurations. The ribbed curvilinear paper cone has been made from a special high strength woodpulp 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, triple roll suspension made from a polycotton material which is more resistant to aging and fatigue than traditional cotton-based ones.
The 75 mm Ø state-of-the-art voice coil is similar to that fitted to our top-of-the-range 18" and 15" models. It employs our Interleaved Sandwich Voice coil (ISV) 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 FEACAD resource to maximize the flux density in the voice coil gap.
Voice coil cooling has been 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. The basket itself is the result of a meticulous design exercise using the sophisticated 3D CAD resource within the Eighteen Sound R&D facility.
Due to the increasing use of audio systems at outdoor events, the ability to perform in adverse weather conditions or in high-humidity areas is an essential feature of our 12W700. This has been achieved using an exclusive cone and magnet plate treatment process which increases resistance to corrosion and renders the cone water repellent.
SMALL SPECIFICATIONS
| GENERAL SPECIFICATIONS | |
| Nominal Diameter | 300 mm (12 in) |
| Rated Impedance | 8 Ohm |
| Continuous Pink Noise (1) | 450 W |
| Continuous Power (2) | 350 W |
| Program Power (3) | 700 W |
| Peak Power (4) | 1500 W |
| Sensitivity (5) | 98 dB |
| Frequency Range (6) | 55 ÷ 4200 Hz |
| Power Compression @-10dB (7) | (35 W) 0,8 dB |
| Power Compression @-3dB | (175 W) 2,3 dB |
| Power Compression@Full Power | (350 W) 3,1 dB |
| Max Recomm. Frequency | 1700 Hz |
| Recomm. Enclosure Volume | 40 ÷ 90 lt. (1,41 ÷ 3,18 cuft) |
| Minimum Impedance | 7 Ohm at 25°C |
| Max Peak To Peak Excursion | 34 mm (1,34 in) |
| Voice Coil Diameter | 75 mm (2,95 in) |
| Voice Coil Winding Material | aluminum |
| Polarity | positive voltage on red terminal gives forward cone motion |
| THIELE SMALL PARAMETERS (8) | |
| Fs | 58 Hz |
| Re | 5,7 Ohm |
| Sd | 0,0531 sq.mt. (82,31 sq.in.) |
| Qms | 3,93 |
| Qes | 0,37 |
| Qts | 0,36 |
| Vas | 55 lt. (1,94 cuft) |
| Mms | 51 gr. (0,11 lb) |
| BL | 17,7 Tm |
| Linear Mathematical Xmax (9) | ± 6,5 mm (± 0,26 in) |
| Le (1kHz) | 1,48 mH |
| Ref. Efficiency 1W@1m (half space) | 97,2 dB |
| MOUNTING INFORMATIONS | |
| Overall diameter | 315 mm (12,4 in) |
| N. of mounting holes | 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 | 147,5 mm (5,80 in) |
| Flange and gasket thickness | 16,5 mm (0,65 in) |
| Net weight | 8,2 kg (18,1 lb) |
| Shipping weight | 9 kg (19,87 lb) |
| CardBoard Packaging dimensions | 332 x 332 x 184 mm (13,07 x 13,07 x 7,24 in) |
The 12W700 meets the specific market requirement for a loudspeaker which combines the excellent linearity, good efficiency and high power handling of the 15W700 model but in a 12" chassis for use in more compact systems. It is primarily intended for application in compact reflex and band-pass enclosures but can also be used for horn loaded configurations. The ribbed curvilinear paper cone has been made from a special high strength woodpulp 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, triple roll suspension made from a polycotton material which is more resistant to aging and fatigue than traditional cotton-based ones.
The 75 mm Ø state-of-the-art voice coil is similar to that fitted to our top-of-the-range 18" and 15" models. It employs our Interleaved Sandwich Voice coil (ISV) 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 FEACAD resource to maximize the flux density in the voice coil gap.
Voice coil cooling has been 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. The basket itself is the result of a meticulous design exercise using the sophisticated 3D CAD resource within the Eighteen Sound R&D facility.
Due to the increasing use of audio systems at outdoor events, the ability to perform in adverse weather conditions or in high-humidity areas is an essential feature of our 12W700. This has been achieved using an exclusive cone and magnet plate treatment process which increases resistance to corrosion and renders the cone water repellent.
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18 Sound 12W700
Art.Nr.: 18S12W700
18 Sound 12W700Art.Nr.: 18S12W700
18-Sound 12W700 LF Ferrite Treiber
SMALL SPECIFICATIONS 98 dB SPL 1W / 1m average sensitivity 75 mm (3 in) Interleaved Sandwich Voice coil (ISV) 450 W continuous pink noise...
Artikel 59 / 81