Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion... more
Product information "Dayton Audio ND140-4"
Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes.
An efficient, low-distortion Neo-Balanced motor is combined with a rigid yet lightweight aluminum diaphragm, yielding impressive high-impact audio reproduction. Perfect for single point-source applications, or combined in multiples and line arrays.
Product Highlights
• Extended-range 54 Hz to 8 kHz performance
• Rubber-edged aluminum alloy cone
• Large excursion capability4 mm Xmax, 20 mm peak
• Self-shielded Neo-Balanced motor structure
• 1" 4-layer underhung voice coil with polyimide former
• 40 watts RMS power handling
ND140-4 Specifications
Impedance 4 ohms
Re 3.7 ohms
Le 0.79 mH @ 1 kHz
Fs 59.2 Hz
Qms 5.35
Qes 0.72
Qts 0.63
Mms 10.1g
Cms 0.71 mm/N
Sd 86.6 cm²
Vd 34.6 cm³
BL 4.42 Tm
Vas 7.22 liters
Xmax 4.0 mm
VC Diameter 1"
SPL 88.4 dB @ 2.83V/1m
RMS Power Handling 40 watts
Usable Frequency Range (Hz) 54 - 8,000 Hz
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