VISATON TIW 300 - 8 Ohm
Woofer
12″ / 300 mm
Nominal diameter
25 Hz
Resonance
0.28
Q factor
91 dB
Sensitivity
± 7.5 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.8
dB
Frequency response
25 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
25.0
Hz
Mechanical quality factor
QMS
4.59
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.28
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Maximum excursion before damage
xlim
16.0
mm
Air volume displaced at xmax
VD
383
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
1.7
mH
VC Diameter
65
mm
Winding height
HVC
23
mm
Magnet
Flux density
B
1.1
T
Force factor
Bl
16.5
N/A
Motor constant
Bl/√RE
7.1
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
255
mm
Effective area
SD
510
cm²
Moving mass
MMS
92
g
Moving mass (without air load)
MMD
84
g
Suspensions
Stiffness
KMS
2.3
N/mm
Compliance
CMS
434
µm/N
Equivalent volume to the compliance
VAS
160
L
Mechanical resistance
RMS
3.15
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Baffle cutout diameter
288
mm
Volume occupied by the driver (estimated)
3.1
L
Net weight
7.0
kg
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fS
23 Hz
SD
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23 - 3000 Hz
QTS
0.24
xmax
4.5 mm
SPL1W
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Bl/√RE
4.74
Pmax
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fS
25 Hz
SD
350 cm²
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QTS
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xmax
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Bl/√RE
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fS
24 Hz
SD
507 cm²
25 - 2500 Hz
QTS
0.31
xmax
5.5 mm
SPL1W
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Bl/√RE
6.32
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