Beyma 8WR250
Woofer
8″ / 200 mm
Nominal diameter
62 Hz
Resonance
0.24
Q factor
93 dB
Sensitivity
± 6 mm
Linear excursion
500 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.3
dB
Frequency response
65 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
62.0
Hz
Mechanical quality factor
QMS
2.40
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.24
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
16.0
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
5.9
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
51
mm
Winding height
HVC
15
mm
Magnet
Force factor
Bl
15.1
N/A
Motor constant
Bl/√RE
6.22
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
26
g
Moving mass (without air load)
MMD
23.7
g
Suspensions
Stiffness
KMS
3.98
N/mm
Compliance
CMS
251
µm/N
Equivalent volume to the compliance
VAS
17.7
L
Mechanical resistance
RMS
4.2
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall depth
95
mm
Volume occupied by the driver (estimated)
0.86
L
Net weight
3.3
kg
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fS
60 Hz
SD
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60 - 2500 Hz
QTS
0.24
xmax
9.0 mm
SPL1W
93 dB
Bl/√RE
10
Pmax
1400 W
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fS
59 Hz
SD
214 cm²
59 - 3000 Hz
QTS
0.25
xmax
2.0 mm
SPL1W
93 dB
Bl/√RE
6.08
Pmax
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