ND140-4 5-1/4" Aluminum Cone Midbass Driver 4 Ohm

Dayton Audio's compact aluminum cone drivers demonstrate the latest advances in high-excursion design processes.
€36.45
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SIND1404

Data sheet

Impedance
4 Ohm
Driver type
Midwoofer
Sensitivity
88.4 dB @ 2.83V/1m
Frequency range
54 - 8000 Hz
Resonance frequency (fs)
59.2 Hz
DC resistance (Re)
3.7 ohms
Mechanical Q (Qms)
5.35
Electrical Q at Fs (Qes)
0.72
Total Q factor (Qts)
0.63
Speaker diameter
5"
Power handling
80 W
Voice coil inductance (L)
0.79 mH @ 1 kHz
Effective mechanical mass incl air load (mms)
10.1g
Effective piston radiating area (Sd)
86.6 cm²
Force factor (BL)
3.9 Tm
Equivalent volume of compliance (Vas)
7.22 liters
Overall diameter
138 mm
Mounting diameter
120 mm