VISATON GF 200 - 2 x 4 Ohm
Woofer
8″ / 200 mm
Nominal diameter
30 Hz
Resonance
0.34
Q factor
89 dB
Sensitivity
± 6 mm
Linear excursion
180 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.3
dB
Frequency response
30 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
4.12
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
10.0
mm
Air volume displaced at xmax
VD
128
cm³
Power handling
P
120
W
Program power
Pmax
180
W
Voice Coil
Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
5.8
Ω
Inductance (1kHz, in series)
LE
1.1
mH
VC Diameter
38
mm
Winding height
HVC
18
mm
Magnet
Flux density
B
1.3
T
Force factor (in series)
Bl
9.2
N/A
Motor constant
Bl/√RE
3.82
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
25
g
Moving mass (without air load)
MMD
22.8
g
Suspensions
Stiffness
KMS
0.96
N/mm
Compliance
CMS
1047
µm/N
Equivalent volume to the compliance
VAS
68
L
Mechanical resistance
RMS
1.14
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Baffle cutout diameter
190
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.5
kg
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SpeakerbenchSimilar woofers to VISATON GF 200 - 2 x 4 Ohm
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8″Woofer
fS
34 Hz
SD
227 cm²
40 - 2000 Hz
QTS
0.38
xmax
7.5 mm
SPL1W
89 dB
Bl/√RE
3.88
Pmax
60 W