Tang Band W1-1931S
Full-range
1″ / 25 mm
Nominal diameter
170 Hz
Resonance
0.46
Q factor
76 dB
Sensitivity
± 1.2 mm
Linear excursion
4 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
76.1
dB
Frequency response
170 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
170
Hz
Mechanical quality factor
QMS
3.11
Electrical quality factor
QES
0.54
Total quality factor
QTS
0.46
Large signal parameters
Maximum linear excursion
xmax
1.2
mm
Air volume displaced at xmax
VD
0.5
cm³
Power handling
P
2
W
Program power
Pmax
4
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.06
mH
VC Diameter
19
mm
Magnet
Force factor
Bl
2.6
N/A
Motor constant
Bl/√RE
1.37
N/√W
Air gap height
HAG
1.5
mm
Material
Neodymium
Diaphragm
Effective diameter
24
mm
Effective area
SD
4.5
cm²
Moving mass
MMS
0.9
g
Moving mass (without air load)
MMD
0.9
g
Material
Mineral filled Polypropylene
Suspensions
Stiffness
KMS
1.17
N/mm
Compliance
CMS
853
µm/N
Equivalent volume to the compliance
VAS
0.02
L
Mechanical resistance
RMS
0.3
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
1
″
25
mm
Net weight
0.043
kg
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1.2″Miniature
fS
210 Hz
SD
4.9 cm²
210 - 20000 Hz
QTS
0.50
xmax
1.6 mm
SPL1W
78 dB
Bl/√RE
1.02
Pmax
4 W
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1″Full-range
fS
170 Hz
SD
4.5 cm²
170 - 20000 Hz
QTS
0.53
xmax
1.3 mm
SPL1W
75 dB
Bl/√RE
1.12
Pmax
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1.5″Full-range
fS
184 Hz
SD
6.6 cm²
200 - 20000 Hz
QTS
0.49
xmax
1.6 mm
SPL1W
79 dB
Bl/√RE
1.62
Pmax
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