DAYTON AUDIO DMA70-4 Speaker Driver Full Range Aluminium 20W 4 Ohm 86.2dB 120Hz - 20kHz Ø6.3cm

DAYTON AUDIO DMA70-4 Speaker Driver Full Range Aluminium 20W 4 Ohm 86.2dB 120Hz - 20kHz Ø 6.3cm
The Dayton Audio DMA70-4 wideband Dayton Audio DMA70-4 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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Shipping date: 19-01-2021.

Orders placed before 11AM (GMT+1) will be shipped the same day (working day).

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Dayton Audio DMA70-4

Speaker Driver Full Range Aluminium 20W 4 Ohm 86.2dB 120Hz - 20kHz Ø 6.3cm

DAYTON AUDIO DMA70-4 Haut-Parleur Large Bande Aluminium 20W 4 Ohm 86.2dB 120Hz - 20kHz Ø 6.3cm

The Dayton Audio DMA70-4 wideband Dayton Audio DMA70-4 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 DMA70-4 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 an 8-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 DMA70-4 Haut-Parleur Large Bande Aluminium 20W 4 Ohm 86.2dB 120Hz - 20kHz Ø 6.3cm

Technical characteristics

Specifications
Product typeFull Range Speaker Driver
Nominal diameter6.3cm
PowerRMS : 20W
Max : 40W
Impedance4 Ohm
Frequency response120Hz - 20kHz
Sensitivity86.2dB 2.83V/1m
83.2dB 1W/1m
Voice coil diameter2.54cm
Thiele-Small Parameters
Resonant Frequency (Fs)113Hz
DC Resistance (Re)3.98 Ohm
Voice coil inductance (Le)0.3mH
Mechanical Q (Qms)2.04
Electromagnetic Q (Qes)0.56
Total Q (Qts)0.44
Compliance equivalent volume (Vas)0.018ft³
Mechanical compliance of suspension (Cms)0.71mm/N
BL Product (BL)3.7Tm
Diaphragm Mass Inc. Airload (Mms)2.8g
Maximum linear excursion (Xmax)2mm
Surface area of cone (Sd)22.9cm²
General
Weight159g
 
Data sheet
ColorBlack
Speaker TypeFull range
Impedance (Ω)4
Loudspeaker diameter (mm)63.0
Diaphragm typeAluminium
Efficiency / Sensitivity (dB)86.0
Lowest frequency (Hz)120
Highest frequency (Hz)20000
 
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Date :
Réparation Home Cinéma
Première livraison un peu longue, mais produit conforme a mes attentes, parfait.
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This review has been posted for DAYTON AUDIO DMA70-4 Speaker Driver Full Range Aluminium 20W 4 Ohm 86.2dB 120Hz - 20kHz Ø6.3cm
 
DAYTON AUDIO DMA70-4 Speaker Driver Full Range Aluminium 20W 4 Ohm 86.2dB 120Hz - 20kHz Ø6.3cm
The Dayton Audio DMA70-4 wideband Dayton Audio DMA70-4 aluminum cone provides excellent performance and low distortion. This speaker can be...

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