Tang Band W2-858SB
2″ / 51 mm
Nominal diameter
290 Hz
Resonance
0.89
Q factor
85 dB
Sensitivity
± 0.5 mm
Linear excursion
6 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.7
dB
Frequency response
290 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
290
Hz
Mechanical quality factor
QMS
2.78
Electrical quality factor
QES
1.31
Total quality factor
QTS
0.89
Large signal parameters
Maximum linear excursion
xmax
0.5
mm
Air volume displaced at xmax
VD
0.7
cm³
Power handling
P
3
W
Program power
Pmax
6
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.03
mH
VC Diameter
13
mm
Magnet
Force factor
Bl
1.68
N/A
Motor constant
Bl/√RE
0.885
N/√W
Air gap height
HAG
3
mm
Material
Ferrite
Diaphragm
Effective diameter
41
mm
Effective area
SD
13
cm²
Moving mass
MMS
0.7
g
Moving mass (without air load)
MMD
0.6
g
Material
Paper
Suspensions
Stiffness
KMS
1.58
N/mm
Compliance
CMS
635
µm/N
Equivalent volume to the compliance
VAS
0.152
L
Mechanical resistance
RMS
0.44
N·s/m
Surround material
Cloth
Dimensions
Nominal diameter
2
″
51
mm
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1.5″
fS
233 Hz
SD
7.8 cm²
233 - 20000 Hz
QTS
0.90
xmax
0.5 mm
SPL1W
82 dB
Bl/√RE
0.964
Pmax
15 W
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1.5″Full-range
fS
230 Hz
SD
7.8 cm²
200 - 20000 Hz
QTS
1.00
xmax
1.2 mm
SPL1W
82 dB
Bl/√RE
0.71
Pmax
10 W