Tang Band W8Q-1071F
Subwoofer
8x12″/ 203x305 mm
Nominal size
27 Hz
Resonance
0.34
Q factor
88 dB
Sensitivity
± 12 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.9
dB
Frequency response
27 - 200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
4.60
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
12.0
mm
Air volume displaced at xmax
VD
552
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.85
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
14.57
N/A
Motor constant
Bl/√RE
8.14
N/√W
Air gap height
HAG
8
mm
Material
Ferrite
Diaphragm
Effective diameter
242
mm
Effective area
SD
460
cm²
Moving mass
MMS
134.7
g
Moving mass (without air load)
MMD
130.8
g
Material
Air Dry Paper
Suspensions
Stiffness
KMS
4.27
N/mm
Compliance
CMS
234
µm/N
Equivalent volume to the compliance
VAS
70.4
L
Mechanical resistance
RMS
4.97
N·s/m
Surround material
Rubber W-Shape
Dimensions
Nominal size
8 x 12
″
203 x 305
mm
Volume occupied by the driver (estimated)
2.4
L
Net weight
5.55
kg
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SD
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SD
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SD
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29 - 450 Hz
QTS
0.40
xmax
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SPL1W
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