Beyma 5G40Nd/N
Mid Bass
5″ / 125 mm
Nominal diameter
140 Hz
Resonance
0.45
Q factor
91 dB
Sensitivity
± 3 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.7
dB
Frequency response
150 - 17000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
140
Hz
Mechanical quality factor
QMS
2.80
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
26
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
38
mm
Winding height
HVC
9
mm
Magnet
Force factor
Bl
10.0
N/A
Motor constant
Bl/√RE
3.89
N/√W
Air gap height
HAG
7
mm
Diaphragm
Effective diameter
104
mm
Effective area
SD
85
cm²
Moving mass
MMS
9
g
Moving mass (without air load)
MMD
8.4
g
Suspensions
Stiffness
KMS
6.99
N/mm
Compliance
CMS
143
µm/N
Equivalent volume to the compliance
VAS
1.4
L
Mechanical resistance
RMS
2.9
N·s/m
Dimensions
Nominal diameter
5
″
125
mm
Overall diameter
155
mm
Baffle cutout diameter
120
mm
Overall depth
72
mm
Volume occupied by the driver (estimated)
0.39
L
Net weight
1.2
kg
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4″Mid-range
fS
120 Hz
SD
57 cm²
120 - 12000 Hz
QTS
0.44
xmax
1.8 mm
SPL1W
90 dB
Bl/√RE
2.76
Pmax
50 W
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4″Full-range
fS
110 Hz
SD
51 cm²
100 - 20000 Hz
QTS
0.38
xmax
2.8 mm
SPL1W
90 dB
Bl/√RE
2.89
Pmax
80 W
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4″Full-range
fS
110 Hz
SD
51 cm²
100 - 20000 Hz
QTS
0.47
xmax
2.8 mm
SPL1W
90 dB
Bl/√RE
2.58
Pmax
80 W