6.5″ / 170 mm
Nominal diameter
36 Hz
Resonance
0.41
Q factor
87 dB
Sensitivity
± 4.3 mm
Linear excursion
80 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.4
dB
Frequency response
36 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
2.16
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
4.3
mm
Maximum excursion before damage
xlim
10.0
mm
Air volume displaced at xmax
VD
56
cm³
Power handling
P
50
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
25
mm
Winding height
HVC
12.5
mm
Magnet
Flux density
B
1.0
T
Force factor
Bl
4.4
N/A
Motor constant
Bl/√RE
2.46
N/√W
Air gap height
HAG
4
mm
Diaphragm
Effective diameter
128
mm
Effective area
SD
129
cm²
Moving mass
MMS
12
g
Moving mass (without air load)
MMD
10.9
g
Suspensions
Stiffness
KMS
0.62
N/mm
Compliance
CMS
1610
µm/N
Equivalent volume to the compliance
VAS
38
L
Mechanical resistance
RMS
1.26
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Baffle cutout diameter
148
mm
Volume occupied by the driver (estimated)
0.44
L
Net weight
1.1
kg
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SpeakerbenchSimilar woofers to VISATON W 170 S - 4 Ohm
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8″Woofer
fS
35 Hz
SD
211 cm²
35 - 8000 Hz
QTS
0.37
xmax
5.3 mm
SPL1W
88 dB
Bl/√RE
3.83
Pmax
120 W
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