18-Sound 10 NDA 520 8 Ohm
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18-Sound 10 NDA 520 8 Ohm Product Details
The 10NDA520 is a 10" mid-bass transducer created for compact reflex 2-way enclosures. It can be coupled with 1" compression drivers and it can also be used in mid-low sections on modern line-array systems.
Its features and design characteristics make it extremely defined in mid-range frequencies, offering a significant and consistent bottom-end. This also makes it suitable for monitoring applications.
The 10NDA520 incorporates our proprietary Active Impedance Control technology (AIC), consisting of an additional coil fixed on the pole piece and connected in parallel to the moving coil.
The magnetic field generated by AIC coil has the following effects:
1) Impedance linearization
2) Acoustic and electric phase linearization
3) Significant increase of sensitivity and total SPL
4) Total harmonic distortion reduction
5) Constant power transfer
By not absorbing the moving coil’s electromagnetic energy, the AIC offers substantial advantages to the sound quality.
The extremely powerful external neodymium magnet assembly assures high flux concentration, low power compression and excellent heat exchange. The overall result is the best power to weight ratio available on the market today.
The curvilinear cone, specified with a high damping wood pulp has been designed to achieve the best possible linearity within its frequency range. The in-house developed cone treatment is a humidity repellent and significantly dampens bell-mode resonances.
The 65mm edge-wound voice coil assembly is wound on a strong fiberglas former in order to improve force transmission and power handling.
A proprietary humidity-block cone treatment makes the transducer suitable for outdoor use in adverse weather conditions. In addition, a special coating applied to both the top and back plates makes the 10NDA520 far more resistant to the corrosive effects of salts and oxidization.
Features:
- 99,5 dB SPL 1W / 1m average sensitivity (AIC on)
- 65 mm (2,5 in) Interleaved Sandwich Voice coil (ISV)
- 300 W AES power handling
- Neodymium motor assembly
- AIC (Active Impedance Control) technology for superior intelligibility, very low distortion and inductance linearization
- Humidity resistant cone
- Suitable for high quality two way compact systems
Technical Data:
- Nominal Diameter: 260 mm (10 in)
- Rated Impedance: 8 Ohm
- AES Power: 300 W
- Program Power: 450 W
- Peak Power: 900 W
- Sensitivity: 99,5 dB
- Frequency Range: 60 - 6500 Hz
- Power Compression @ -10 dB: 0,7 dB
- Power Compression @ -3 dB: 2,5 dB
- Power Compression @ 0 dB: 3,9 dB
- Max Recomm. Frequency: 2000 Hz
- Recomm. Enclosure Volume: 10 ÷ 40 lt. (0,90 ÷ 1,41 cuft)
- Minimum Impedance: 6,5 Ohm at 25°C
- Max Peak To Peak Excursion: 22 mm (0,87 in)
- Voice Coil Diameter: 65 mm (2,5 in)
- Voice Coil Winding Material: aluminum
- Suspension: Double roll, polycotton
- Cone: Curvilinear, Paper
- Overall diameter: 260 mm (10,24 in)
- N. of mounting holes: 4 on diam. 275 mm (4 on 10,83 in) 8 on diam. 244,5 mm (4 on 9,63 in)
- Mounting holes diameter: 7,15 mm (0,28 in)
- Bolt circle diameter: 244,5 mm (9,63 in)
- Front mount baffle cutout ø: 232 mm (9,13 in)
- Rear mount baffle cutout ø: 232 mm (9,13 in)
- Total depth: 104 mm (4,09 in)
- Flange and gasket thickness: 14,5 mm (0,57 in)
- Net weight: 3 kg (6,67 lb)
- Shipping weight: 3,57 kg (7,88 lb)
- CardBoard Packaging dimensions: 275 x 275 x 164mm (10,83 x 10,83 x 6,46 in)