SPEAKER 18SOUND 10" 10NMB420

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SKU:

62634

MPN:

0adfd74a-1584-11e9-ef2a-d002fa63f25a

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Description

Description

Eighteen Sound 10NMB420

Resonant frequency	f_S	65	Hz
Electrical Q	Q_ES	0.36
Mechanical Q	Q_MS	4.60
Total Q factor	Q_TS	0.33
Suspension equivalent air volume	V_AS	30	litres
DC resistance	R_E	10.5	Ω
Minimum impedance	Z_min	11.9	Ω
Voice coil inductance	L_E	0.4	mH
Force factor	B·l	19.5	T·m
Suspension mechanical resistance	R_MS	2.8	N·s/m

Suspension mechanical compliance	C_MS	177	µm/N
Moving mass	M_MD	26.8	g
Moving mass (including airload)	M_MS	31.5	g
Surface of the diaphragm	S_D	346	cm²
Effective diaphragm diameter	Ø	21	cm
Maximum linear excursion	X_max	± 4	mm
Excursion limit	X_lim	± 12.5	mm
Displacement volume at Xmax	V_D	138.4	cm³
Efficiency	η₀	2.23	%
Efficiency bandwidth product	EBP	180

Overall diameter	260	mm
Baffle hole diameter	232	mm
Overall depth	122	mm
Flange thickness	11	mm
Net weight	3	kg
Diaphragm material	Curvilinear, Treated paper
Surround material	M-roll, Polycotton
Voice coil diameter	65	mm
Coil material	Aluminum
Magnet	Neodymium

260 mm

MAX POWER

500 W

99 dB

FREQUENCY RANGE

65 - 5000 Hz

DC RESISTANCE

10.5 Ω

The 10NMB420 neodymium transducer has been developed in response to a specific market requirement for a 10" midbass driver that combines excellent linearity with good efficiency and high power handling capabilities. The 10NMB420 is primarily intended for use as a midbass driver in line-arrays as well as high quality 2-way or multiway reflex enclosures. The low pass filter might be positioned as high as 2000Hz. 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, as a consequence, at the upper professional level with best power to weight ratio. The 65mm Ø state-of-the-art, aluminum wire voice coil employs Interleaved Sandwich Voice coil (ISV) technology. It is composed by a high strength fiberglas former used to carry windings on both the outer and inner surfaces, in order to achieve a mass balanced coil. This results in an extremely linear motor assembly which, in conjunction with the highly advanced design of the magnetic structure, provides a high BL force factor. The voice coil is cooled through airways placed between the chassis back plate and the magnet faceplate. In this way heated air is channeled away from the voice coil and the gap. Another technology present into the 10NMB420 is the SDR (Single Demodulating Ring), used to reproduce instantaneous peak on mid frequencies, reducing intermodulation distortion. Thanks to the increasing use during outdoor audio events, the ability to perform in humid environments is an extra key feature of the 10NMB420. This is achieved trough an exclusively developed cone treatment which renders the cone humidity repellent while does not increasing the total moving speaker mass.

Speaker

Size: 10"
Power rating: 350 W AES
Impedance: 8 Ohm
99 dB SPL 1W/1m
Frequency range: 65 - 5000 Hz
Qts 0.33
Fs 65 Hz
Weight: 3 kg
Neodymium chassis

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