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MODEL
 
DIAMETER (in)
POWER (W AES)
SEN. (dB 2.83V-1m)
FREQ. RANGE (Hz)
COIL DIAM. (in)
Fs (Hz)
Qts
Vas (l)
Xmax (mm)
NET WEIGHT (kg)
MAGNET
PDF Fav.
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3FR3033091160-200000.81600.490.674.50.57Ferr
3FR30Nd33091180-20.0000.81800.560.554.50.25Nd
4FR4044087100-200000.8920.882.830.55Ferr
4FR40Nd44088100-200000.8940.722.730.28Nd
12GA501225010270-180002901.163423.55Ferr

4FR40Nd

4FR40Nd

GRAPH

TECHNICAL SPECIFICATIONS

Nominal diameter100 mm 4 in
Nominal impedance8 Ohm
Minimum impedance7.2 ohm
Power capacity40 W AES
Program power80 W
Sensitivity88 dB 1 W @ 1 m @ ZN
Frequency range100-20000 Hz
Voice coil diameter20.3 mm 0.8 in
BL factor4.7 N/A
Moving mass0.0045 kg
Winding length7.7 mm
Air gap height4 mm

THIELE SMALL PARAMETERS

Fs94 Hz
Re6.4 ohm
Qms10.8
Qes0.78
Qts0.73
Vas2.7 l
Cms627 µm / N
Rms0.25 kg/s
Efficiency %0.28
Sd0.0055 m²
Xmax3 mm
Vd11 cm³
Le @1 kHz0.2 mH

CONSTRUCTIVE DETAILS

Net weight0.28 kg 0.62 lb
Total weight0.45 kg 0.99 lb
MagnetNeodymium

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