18s 10NMBA520 8 Ohm

18s 10NMBA520 8 Ohm
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  • SW10263
The 10NMBA520 is the evolution of the 10NDA520. The transducer is a 10" mid-bass transducer... mehr
Produktinformationen "18s 10NMBA520 8 Ohm"
The 10NMBA520 is the evolution of the 10NDA520. The transducer is a 10" mid-bass transducer created for compact reflex 2-way enclosures, and when compared to 10NDA520 shows 1 dB increased sensitivity over all operative frequency range, as well as 600 Watts program power handling. It can be used in mid-low sections on line-array systems and everywhere very high quality mid-bass frequency range reproduction is needed. The 10NMBA520 incorporates 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 external neodymium magnet assembly assures high flux concentration, low power compression and excellent heat exchange. The curvilinear cone, specified with a high damping wood pulp has been designed to achieve the best possible linearity within its frequency range. The 65 mm (2,5 in) diameter aluminum voice coil is wound on a strong fiberglas former in order to improve force transmission and power handling. A special coating applied to both the top and back plates makes the 10NMBA520 far more resistant to the corrosive effects of salts and oxidization.


General Specifications

Nominal Diameter 260mm (10 in)
Rated Impedance 8 Ohm
AES Power 300W
Program Power 600W
Peak Power 900W
Sensitivity 100,5 dB
Frequency Range 60 - 7000 Hz
Power Compression @-10dB 0,7 dB
Power Compression @-3dB 2,5 dB
Power Compression @Full Power 3,9 dB
Max Recomm. Frequency 2000 Hz
Recomm. Enclosure Volume 10 - 40 lt. (0,90 - 1,41 cuft)
Minimum Impedance 6,3 Ohm at 25°C
Max Peak To Peak Excursion 24 mm (0,95 in)
Voice Coil Diameter 65 mm (2,5 in)
Voice Coil winding material aluminum
Suspension Double roll, polycotton
Cone Curvilinear, paper

Thiele Small Parameters

Fs 60 Hz
Re 5 Ohm
Sd 0,035 sq.mt. (54,25 sq.in.)
Qms 4,2
Qes 0,24
Qts 0,23
Vas 42 lt. (1,48 cu ft)
Mms 28 gr. (0,06 lb)
BL 14,6 Tm
Linear Mathematical Xmax ±4 mm (±0,16 in)
Le (1kHz) 0,01 mH (AIC on) - 0,38 mH (AIC off)
Ref. Efficiency 1W@1m (half space) 97,8 dB

Mounting information

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 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)
Packaging Dimensions 275 x 275 x 164mm (10,83 x 10,83 x 6,46 in)
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