Beyma 8CFX260Nd
Coaxial
8″ / 200 mm
Nominal diameter
100 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 6 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.6
dB
Frequency response
100 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
100
Hz
Mechanical quality factor
QMS
4.80
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
20.0
mm
Air volume displaced at xmax
VD
132
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.23
mH
VC Diameter
64
mm
Winding height
HVC
15
mm
Magnet
Force factor
Bl
13.5
N/A
Motor constant
Bl/√RE
5.92
N/√W
Air gap height
HAG
7
mm
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
21
g
Moving mass (without air load)
MMD
18.6
g
Suspensions
Stiffness
KMS
8.4
N/mm
Compliance
CMS
119
µm/N
Equivalent volume to the compliance
VAS
8
L
Mechanical resistance
RMS
2.7
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
212
mm
Baffle cutout diameter
181
mm
Overall depth
134
mm
Volume occupied by the driver (estimated)
1.7
L
Net weight
4.9
kg
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