5″ / 127 mm
Nominal diameter
55 Hz
Resonance
0.38
Q factor
91 dB
Sensitivity
± 2.5 mm
Linear excursion
60 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
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.9
dB
Frequency response
55 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
3.21
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.38
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
24
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.02
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
5.43
N/A
Motor constant
Bl/√RE
2.16
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
109
mm
Effective area
SD
94
cm²
Moving mass
MMS
6
g
Moving mass (without air load)
MMD
5.4
g
Suspensions
Stiffness
KMS
0.66
N/mm
Compliance
CMS
1514
µm/N
Equivalent volume to the compliance
VAS
19
L
Mechanical resistance
RMS
0.64
N·s/m
Surround material
Structured Santoprene
Dimensions
Nominal diameter
5
″
127
mm
Volume occupied by the driver (estimated)
0.74
L
Net weight
1.82
kg
Similar speaker drivers to Tang Band W5-2143
5″Full-range
fS
60 Hz
SD
94 cm²
60 - 20000 Hz
QTS
0.44
xmax
3.0 mm
SPL1W
91 dB
Bl/√RE
2.2
Pmax
56 W
5″Full-range
fS
60 Hz
SD
94 cm²
60 - 20000 Hz
QTS
0.41
xmax
3.0 mm
SPL1W
90 dB
Bl/√RE
2.27
Pmax
56 W
6.5″Coaxial
fS
51 Hz
SD
123 cm²
55 - 18000 Hz
QTS
0.39
xmax
4.5 mm
SPL1W
89 dB
Bl/√RE
3.19
Pmax
240 W