DAYTON AUDIO ND140-8 Speaker Driver Midbass / Midrange Aluminium 40W 8 Ohm 84.5dB 54Hz - 8000Hz Ø13.3cm

DAYTON AUDIO ND140-8 Speaker Driver Midbass Aluminium 40W 8 Ohm 84.5dB 54Hz - 8000Hz Ø 13.3cm
The Dayton Audio ND140-8 is a low/midrange driver capable of delivering 40W RMS (80W Max) at 8 Ohm. It reproduces frequencies between 54Hz and 8000Hz. It has a robust Aluminium diaphragm with rubber suspensions, ensuring a large 4mm travel, and its symmetrical Neodymium engine ensures very low distortion for optimum reproduction quality.

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Dayton Audio ND140-8

Speaker Driver Midbass / Midrange Aluminium 40W 8 Ohm 84.5dB 54Hz - 8000Hz Ø 13.3cm

Dayton Audio ND140-8 Haut-Parleur Bas Médium / Médium Aluminium 40W 8 Ohm

The Dayton Audio ND140-8 is a low/midrange driver capable of delivering 40W RMS (80W Max) at 8 Ohm. It reproduces frequencies between 54Hz and 8000Hz. It has a robust Aluminium diaphragm with rubber suspensions, ensuring a large 4mm travel, and its symmetrical Neodymium engine ensures very low distortion for optimum reproduction quality.

Technical characteristics

General characteristics
Speaker typeMidbass / Midrange
Nominal diameter13.3cm (5.25")
Power handlingRMS : 40W
Max : 80W
Impedance8 Ohm
Sensitivity84.5dB @ 2.83/1m
Frequency response54Hz - 8000Hz
Voice coil diameter25mm
Max linear excursion (Xmax)4mm
Cone materialAnodized Aluminium
Surround materialRubber
Voice coil wire materialCopper
Voice coil formerKapton / Polyimide
Basket materialSteel
Magnet materialNeodymium
Overall diametet138mm
Total depth70.5mm
Drilling diameter120mm
Number of fixation holes4
Measurements
DC Resistance (Re)7.8 Ohm
Voice coil inductance (Le)1.44mH @ 1kHz
Resonant frequency (Fs)56.5Hz
Mechanical Q (Qms)5.01
Electromagnetic Q (Qes)0.79
Total Q (Qts)0.68
Diaphragm Mass Inc. Airload (Mms)10.4g
Mechanical compliance of suspension (Cms)0.76 mm/N
Surface area of cone (Sd)86.6cm²
Volume of displacement (Vd)34.6cm²
BL Product (Bl)6.05Tm
Compliance equivalent volume (Vas)7.74 litres
Optimum cabinet size (Based on BassBox Calculations)
Sealed volume0.36ft³
Sealed F375Hz
Vented Volume0.84ft³
Vented F337Hz
dayton-audio-nd140-8-inpage2.jpg
 
Data sheet
Speaker Power (W RMS)80.0
Speaker TypeMidrange
Speaker TypeMidbass
Impedance (Ω)8
Loudspeaker diameter (mm)133.0
Diaphragm typeAluminium
Efficiency / Sensitivity (dB)84.0
Max Linear Excursion (Xmax) (mm)4.0
Lowest frequency (Hz)54
Highest frequency (Hz)8000
 
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DAYTON AUDIO ND140-8 Speaker Driver Midbass / Midrange Aluminium 40W 8 Ohm 84.5dB 54Hz - 8000Hz Ø13.3cm
The Dayton Audio ND140-8 is a low/midrange driver capable of delivering 40W RMS (80W Max) at 8 Ohm. It reproduces frequencies between 54Hz and...

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