Beyma 6G40Fe
Mid-range
6.5″ / 165 mm
Nominal diameter
102 Hz
Resonance
0.4
Q factor
93 dB
Sensitivity
± 3.1 mm
Linear excursion
340 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.8
dB
Frequency response
70 - 9000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
102
Hz
Mechanical quality factor
QMS
9.25
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
3.1
mm
Maximum excursion before damage
xlim
18.9
mm
Air volume displaced at xmax
VD
43
cm³
Power handling
P
170
W
Program power
Pmax
340
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
52
mm
Winding height
HVC
9.2
mm
Magnet
Force factor
Bl
11.0
N/A
Motor constant
Bl/√RE
4.49
N/√W
Air gap height
HAG
7
mm
Material
Ferrite
Diaphragm
Effective diameter
134
mm
Effective area
SD
140
cm²
Moving mass
MMS
13
g
Moving mass (without air load)
MMD
11.8
g
Suspensions
Stiffness
KMS
5.44
N/mm
Compliance
CMS
184
µm/N
Equivalent volume to the compliance
VAS
5.04
L
Mechanical resistance
RMS
0.91
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
3.02
kg
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SpeakerbenchSimilar speaker drivers to Beyma 6G40Fe
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6″Woofer
fS
100 Hz
SD
138 cm²
90 - 4000 Hz
QTS
0.46
xmax
3.9 mm
SPL1W
92 dB
Bl/√RE
4.34
Pmax
350 W
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6.5″Coaxial
fS
97 Hz
SD
154 cm²
100 - 20000 Hz
QTS
0.38
xmax
5.3 mm
SPL1W
93 dB
Bl/√RE
4.23
Pmax
300 W
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6″Woofer
fS
100 Hz
SD
141 cm²
100 - 7000 Hz
QTS
0.36
xmax
4.8 mm
SPL1W
93 dB
Bl/√RE
4.7
Pmax
400 W