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DAYTON AUDIO DMA90-4 Speaker Driver Full Range Aluminium 30W 4 Ohm 89.3dB 85Hz - 20kHz Ø8.9cm

DAYTON AUDIO DMA90-4 Speaker Driver Full Range Aluminium 30W 4 Ohm 89.3dB 85Hz - 20kHz Ø 8.9cm
The Dayton Audio DMA90-4 wideband Dayton Audio DMA90-4 aluminum cone provides excellent performance and low distortion. This speaker can be integrated into many audio projects, from the design of a Bluetooth portable speaker, a sound bar, a PC audio system and much more!

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Reference : 13571
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16,58 €tax excl.

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Shipping date: 28-05-2020.

Orders placed before 1pm (GMT+1) will be shipped the same day (working day).

Produit garantie 2 ans
 
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Dayton Audio DMA90-4

Haut-Parleur Large Bande Aluminium 30W 4 Ohm 89.3dB 85Hz - 20kHz Ø 8.9cm

DAYTON AUDIO DMA90-4 Haut-Parleur Large Bande Aluminium 30W 4 Ohm 89.3dB 85Hz - 20kHz Ø 8.9cm

The Dayton Audio DMA90-4 wideband Dayton Audio DMA90-4 aluminum cone provides excellent performance and low distortion. This speaker can be integrated into many audio projects, from the design of a Bluetooth portable speaker, a sound bar, a PC audio system and much more!

Designed to provide the best performance at a reasonable price, the uncompromising design of the DMA90-4 is capable of reproducing a very wide frequency range while significantly limiting distortion. The speaker motor uses two Neodymium magnets creating a strong symmetrical magnetic field for high efficiency and excellent membrane control. The magnet set also includes a large copper cover with a sheath to reduce inductance and distortion, thus improving the reproduction of high frequencies.

The 2.54cm diameter double layer coil is wound on an open Aluminium support ensuring excellent heat dissipation and high power retention. The rubber suspension and wide Spider hold the Aluminium diaphragm with very good damping. In addition, the Aluminium dome is attached to the coil support, which also improves high-frequency reproduction. The entire loudspeaker is supported by a 12-spoke bowl with an open design, which also allows for a large linear excursion.

When designing the DMA range, Dayton Audio thought of DIY enthusiasts. Thus, the wide edge of the loudspeaker does not require an extremely precise cut-out and thus simplifies assembly. In addition, the terminals are oriented to simplify their wiring.

DAYTON AUDIO DMA90-4 Haut-Parleur Large Bande Aluminium 30W 4 Ohm 89.3dB 85Hz - 20kHz Ø 8.9cm

Technical characteristics

Specifications
Product typeFull range speaker driver
Nominal diameter8.89cm
PowerRMS : 30W
Max : 60W
Impedance4 Ohm
Frequency response85Hz - 20kHz
Sensitivity89.3dB 2.83V/1m
86.1dB 1W/1m
Voice coil diameter2.54cm
Thiele-Small Parameters
Resonant frequency (Fs)88.15Hz
DC Resistance (Re)3.84 Ohm
Voice coil inductance (Le)0.32mH
Mechanical Q (Qms)2.50
Electromagnetic Q (Qes)0.56
Total Q (Qts)0.45
Compliance equivalent volume (Vas)0.08ft³
Mechanical compliance of suspension (Cms)1.03mm/N
BL Product (BL)3.5Tm
Diaphragm Mass Inc. Airload  (Mms)3.2g
Maximum linear excursion (Xmax)2.5mm
Surface area of cone (Sd)38.5cm²
General
Weight204g
 
Data sheet
ColorBlack
Speaker Power (W RMS)30
Speaker TypeFull range
Impedance (Ω)4
Loudspeaker diameter (cm)89
Diaphragm typeAluminium
Efficiency / Sensitivity (dB)89
Xmax (mm)2.5
Lowest frequency85
Highest frequency20000
 
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Surprenant
Installés dans des charges BR en tube PVC, franchement le rendu est vraiment convaincant dans une petite pièce.
Excellent rapport qualité-prix
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This review has been posted for DAYTON AUDIO DMA90-4 Speaker Driver Full Range Aluminium 30W 4 Ohm 89.3dB 85Hz - 20kHz Ø8.9cm
 
DAYTON AUDIO DMA90-4 Speaker Driver Full Range Aluminium 30W 4 Ohm 89.3dB 85Hz - 20kHz Ø8.9cm
The Dayton Audio DMA90-4 wideband Dayton Audio DMA90-4 aluminum cone provides excellent performance and low distortion. This speaker can be...

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