8″ / 203 mm
Nominal diameter
42 Hz
Resonance
0.27
Q factor
97 dB
Sensitivity
± 3 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
97.1
dB
Frequency response
42 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
1.02
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
66
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
0.01
mH
VC Diameter
39
mm
Magnet
Force factor
Bl
7.12
N/A
Motor constant
Bl/√RE
2.73
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
10.1
g
Moving mass (without air load)
MMD
7.8
g
Suspensions
Stiffness
KMS
0.73
N/mm
Compliance
CMS
1374
µm/N
Equivalent volume to the compliance
VAS
94.5
L
Mechanical resistance
RMS
2.62
N·s/m
Dimensions
Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
1.4
L
Net weight
3.23
kg
Similar speaker drivers to Tang Band W8-1772
8″Full-range
fS
45 Hz
SD
210 cm²
30 - 20000 Hz
QTS
0.32
xmax
1.0 mm
SPL1W
95 dB
Bl/√RE
3.17
Pmax
200 W
8″Full-range
fS
45 Hz
SD
210 cm²
30 - 20000 Hz
QTS
0.31
xmax
1.0 mm
SPL1W
96 dB
Bl/√RE
3.35
Pmax
200 W
8″Woofer
fS
36 Hz
SD
212 cm²
30 - 3000 Hz
QTS
0.24
xmax
3.0 mm
SPL1W
94 dB
Bl/√RE
3.76
Pmax
250 W