5″ / 127 mm
Nominal diameter
50 Hz
Resonance
0.46
Q factor
86 dB
Sensitivity
± 3 mm
Linear excursion
56 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
86.1
dB
Frequency response
50 - 7500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
2.50
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.46
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
28
W
Program power
Pmax
56
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.07
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
6.29
N/A
Motor constant
Bl/√RE
2.57
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
109
mm
Effective area
SD
94
cm²
Moving mass
MMS
11.5
g
Moving mass (without air load)
MMD
10.9
g
Suspensions
Stiffness
KMS
1.19
N/mm
Compliance
CMS
843
µm/N
Equivalent volume to the compliance
VAS
10.6
L
Mechanical resistance
RMS
1.45
N·s/m
Dimensions
Nominal diameter
5
″
127
mm
Volume occupied by the driver (estimated)
0.25
L
Similar woofers to Tang Band W5-1374SB
6″Mid-range
fS
49 Hz
SD
119 cm²
QTS
0.40
xmax
5.3 mm
SPL1W
86 dB
Bl/√RE
2.7
Pmax
300 W
5.5″Mid Bass
fS
50 Hz
SD
78 cm²
45 - 4000 Hz
QTS
0.40
xmax
3.6 mm
SPL1W
86 dB
Bl/√RE
2.48
Pmax
70 W
6″Woofer
fS
49 Hz
SD
75 cm²
50 - 4000 Hz
QTS
0.45
xmax
5.0 mm
SPL1W
87 dB
Bl/√RE
1.93
Pmax
250 W