Tang Band W3-881SJF
SJF
SJFull-range
3″ / 76 mm
Nominal diameter
100 Hz
Resonance
0.39
Q factor
88 dB
Sensitivity
± 0.5 mm
Linear excursion
30 W
Program Power
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Available on (affiliate link)
Parts Express
$$
Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.3
dB
Frequency response
100 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
100
Hz
Mechanical quality factor
QMS
6.44
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
0.5
mm
Air volume displaced at xmax
VD
1.6
cm³
Power handling
P
15
W
Program power
Pmax
30
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
0.08
mH
VC Diameter
20
mm
Magnet
Force factor
Bl
4.47
N/A
Motor constant
Bl/√RE
1.74
N/√W
Air gap height
HAG
6
mm
Material
Ferrite
Diaphragm
Effective diameter
64
mm
Effective area
SD
32
cm²
Moving mass
MMS
2
g
Moving mass (without air load)
MMD
1.9
g
Material
Natural color Polypropylene-Mica
Suspensions
Stiffness
KMS
0.77
N/mm
Compliance
CMS
1302
µm/N
Equivalent volume to the compliance
VAS
1.89
L
Mechanical resistance
RMS
0.2
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
3
″
76
mm
Volume occupied by the driver (estimated)
0.26
L
Net weight
0.682
kg
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3.5″Full-range
fS
88 Hz
SD
36 cm²
80 - 20000 Hz
QTS
0.32
xmax
3.0 mm
SPL1W
89 dB
Bl/√RE
1.92
Pmax
80 W
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3″Full-range
fS
100 Hz
SD
32 cm²
100 - 20000 Hz
QTS
0.44
xmax
1.2 mm
SPL1W
88 dB
Bl/√RE
1.61
Pmax
25 W
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