Tang Band W8-2145
Full-range
8″ / 203 mm
Nominal diameter
40 Hz
Resonance
0.45
Q factor
92 dB
Sensitivity
± 3 mm
Linear excursion
80 W
Program Power
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.3
dB
Frequency response
40 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
1.65
Electrical quality factor
QES
0.61
Total quality factor
QTS
0.45
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
66
cm³
Power handling
P
40
W
Program power
Pmax
80
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.8
Ω
Inductance (1kHz)
LE
0.01
mH
VC Diameter
39
mm
Magnet
Force factor
Bl
6.59
N/A
Motor constant
Bl/√RE
2.53
N/√W
Air gap height
HAG
10
mm
Material
Ferrite
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
15
g
Moving mass (without air load)
MMD
12.6
g
Material
Paper
Suspensions
Stiffness
KMS
1.02
N/mm
Compliance
CMS
985
µm/N
Equivalent volume to the compliance
VAS
67.7
L
Mechanical resistance
RMS
2.28
N·s/m
Surround material
Structured Santoprene
Dimensions
Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
1.8
L
Net weight
4.15
kg
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10″Mid-range
fS
42 Hz
SD
353 cm²
42 - 6000 Hz
QTS
0.50
xmax
4.0 mm
SPL1W
90 dB
Bl/√RE
4.39
Pmax
150 W