Products

LOUDSPEAKER 4"FR40 8 OH

Technical specifications

Nominal diameter
100 mm 4 in
Nominal impedance
8 Ohm
Minimum impedance
7.3 ohm
Power capacity
40 W AES
Program power
80 W
Sensitivity
87 dB 1 W/1 m @ ZN
Frequency range
100-20000 Hz
Voice coil diameter
20.3 mm 0.8 in
BL factor
4.2 N/A
Moving mass
0.0044 kg
Winding length
7.7 mm
Air gap height
5 mm
Xdamage pp
-

Parameters Thiele & Small

Fs
92 Hz
Re
6.4 ohm
Qms
11.3
Qes
0.96
Qts
0.88
Vas
2.8 l
Cms
668 µm / N
Rms
0.23 kg/s
Efficiency %
0.22
Sd
0.0055 m²
Xmax
3 mm
Vd
11 cm³
Le @1 kHz
0.2 mH

Construction details

Net weight
0.55 kg 1.2 lb
Total weight
0.75 kg 1.65 lb
Magnet
Ferrite
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