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- 103 dB SPL 1W / 1m average sensitivity (AIC on)
- 75 mm (3 in) Interleaved Sandwich Voice coil (ISV)
- 400 W AES power handling
- Neodymium motor assembly
- A.I.C. (Active Impedance Control) technology
- Very shallow profile, 90 mm (3,5 in) total depth
- Humidity resistant cone and plates
- Suitable for high quality, very high SPL midrange frequency reproduction
DescriptionThe 10NDA610 is a high power, very high output, state-of-the-art midrange transducer for high quality professional use. The high level of sound reproduction is achieved thanks to extensive research by Eighteen Sound engineers, which focused on implementing mid frequencies intelligibility. The 10NDA610 is ideally used as a midrange in both horn and direct radiation, closed or reflex enclosures, as small as 4 liters. The 10NDA610 incorporates an Active Impedance Control (A.I.C.) consisting of an additional coil fixed on the pole piece and connected in parallel to the moving coil. The magnetic field generated by this 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 The A.I.C. offers substantial advantages to the sound quality by not absorbing the moving coil's electromagnetic energy. The extremely powerful external neodymium magnet assembly assures high flux concentration, low power compression and excellent heat exchange. The levels of force factor and power handling are consequently at a top professional level, with the best power to weight ratio on the market today. The curvilinear cone, made 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 acts as humidity repellent and significantly dampens bell mode resonances. The 75mm edge-wound voice coil assembly is wound on a strong fiberglas former 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 10NDA610 far more resistant to the corrosive effects of salts and oxidization.
Nominal Diameter 260mm (10 in) Rated Impedance 8 Ohm AES Power 400W Program Power 600W Peak Power 1200W Sensitivity 103dB Frequency Range 100 - 6100 Hz Power Compression @-10dB 0,5 dB Power Compression @-3dB 1,5 dB Power Compression @Full Power 2,1 dB Max Recomm. Frequency 4000 Hz Recomm. Enclosure Volume 4 ÷ 15 lt. (0,14 ÷ 0,53 cuft) Minimum Impedance 6,5 Ohm at 25°C Max Peak To Peak Excursion 13 mm (0,51 in) Voice Coil Diameter 75 mm (3 in) Voice Coil Winding Material aluminum Suspension Double roll, polycotton Cone Curvilinear, Paper
Thiele Small Parameters
Fs 89 Hz Re 5,5 Ohm Sd 0,035 sq.mt. (54,25 sq.in.) Qms 7,1 Qes 0,24 Qts 0,23 Vas 18 lt. (0,64 cuft) Mms 30 gr. (0,07 lb) BL 20,3 Tm Linear Mathematical Xmax ±2,5 mm (± 0,10 in) Le (1kHz) 0,06 mH Ref. Efficiency 1W@1m (half space) 98 dB
Overall diameter 260 mm (10,24 in) N. of mounting holes and bolt 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) Front mount baffle cutout ø 232 mm (9,13 in) Rear mount baffle cutout ø 232 mm (9,13 in) Total depth 96 mm (3,78 in) Flange and gasket thickness 14,5 mm (0,57 in) Net weight 3,5 kg (7,7 lb) Shipping weight 3,9 kg (8,58 lb) CardBoard Packaging dimensions 275 x 275 x 164 mm(10,83 x 10,83 x 6,46 in)
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