5″ / 127 mm
Nominal diameter
60 Hz
Resonance
0.39
Q factor
89 dB
Sensitivity
± 3.4 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.2
dB
Frequency response
60 - 5500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
60.0
Hz
Mechanical quality factor
QMS
1.81
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
3.4
mm
Air volume displaced at xmax
VD
32
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.8
Ω
Inductance (1kHz)
LE
0.09
mH
VC Diameter
32
mm
Magnet
Force factor
Bl
6.55
N/A
Motor constant
Bl/√RE
2.51
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
109
mm
Effective area
SD
94
cm²
Moving mass
MMS
8
g
Moving mass (without air load)
MMD
7.4
g
Suspensions
Stiffness
KMS
1.25
N/mm
Compliance
CMS
803
µm/N
Equivalent volume to the compliance
VAS
10.1
L
Mechanical resistance
RMS
1.66
N·s/m
Dimensions
Nominal diameter
5
″
127
mm
Volume occupied by the driver (estimated)
0.25
L
Similar woofers to Tang Band W5-1140SD
5″Woofer
fS
55 Hz
SD
94 cm²
55 - 9000 Hz
QTS
0.38
xmax
3.3 mm
SPL1W
89 dB
Bl/√RE
2.52
Pmax
56 W
4″Full-range
fS
70 Hz
SD
57 cm²
70 - 17000 Hz
QTS
0.44
xmax
3.4 mm
SPL1W
88 dB
Bl/√RE
1.76
Pmax
40 W
4.5″Full-range
fS
67 Hz
SD
66 cm²
67 - 22000 Hz
QTS
0.42
xmax
1.7 mm
SPL1W
89 dB
Bl/√RE
2.16
Pmax
50 W