3″ / 76 mm
Nominal diameter
100 Hz
Resonance
0.34
Q factor
88 dB
Sensitivity
± 1.25 mm
Linear excursion
30 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.2
dB
Frequency response
100 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
100
Hz
Mechanical quality factor
QMS
1.71
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
1.25
mm
Air volume displaced at xmax
VD
4.0
cm³
Power handling
P
15
W
Program power
Pmax
30
W
Voice Coil
Nominal impedance
Z
6
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
0.06
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
4.42
N/A
Motor constant
Bl/√RE
1.87
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
64
mm
Effective area
SD
32
cm²
Moving mass
MMS
2.2
g
Moving mass (without air load)
MMD
2.1
g
Suspensions
Stiffness
KMS
1.03
N/mm
Compliance
CMS
967
µm/N
Equivalent volume to the compliance
VAS
1.41
L
Mechanical resistance
RMS
0.8
N·s/m
Surround material
Santoprene
Dimensions
Nominal diameter
3
″
76
mm
Volume occupied by the driver (estimated)
0.15
L
Net weight
0.392
kg
Similar speaker drivers to Tang Band W3-1231SN
3″Full-range
fS
110 Hz
SD
33 cm²
100 - 20000 Hz
QTS
0.36
xmax
1.7 mm
SPL1W
88 dB
Bl/√RE
2.04
Pmax
40 W
4″Woofer
fS
118 Hz
SD
44 cm²
120 - 10000 Hz
QTS
0.39
xmax
2.2 mm
SPL1W
88 dB
Bl/√RE
2.43
Pmax
140 W
4″Woofer
fS
120 Hz
SD
44 cm²
120 - 10000 Hz
QTS
0.36
xmax
2.5 mm
SPL1W
89 dB
Bl/√RE
2.63
Pmax
140 W