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
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
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
Tang Band W8Q-1071F SPL & Impedance
Tang Band W8Q-1071F Dimensions

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