8″ / 203 mm
Nominal diameter
30 Hz
Resonance
0.43
Q factor
88 dB
Sensitivity
± 3.9 mm
Linear excursion
120 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
87.8
dB
Frequency response
30 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
3.01
Electrical quality factor
QES
0.50
Total quality factor
QTS
0.43
Large signal parameters
Maximum linear excursion
xmax
3.9
mm
Air volume displaced at xmax
VD
86
cm³
Power handling
P
60
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.23
mH
VC Diameter
39
mm
Magnet
Force factor
Bl
8.4
N/A
Motor constant
Bl/√RE
3.43
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
28.8
g
Moving mass (without air load)
MMD
26.5
g
Material
Polypropylene-Mica
Suspensions
Stiffness
KMS
1.21
N/mm
Compliance
CMS
830
µm/N
Equivalent volume to the compliance
VAS
57
L
Mechanical resistance
RMS
1.8
N·s/m
Dimensions
Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
0.85
L
Similar woofers to Tang Band W8-750C
9″Woofer
fS
33 Hz
SD
213 cm²
33 - 2000 Hz
QTS
0.46
xmax
6.5 mm
SPL1W
87 dB
Bl/√RE
3.82
Pmax
300 W
8″Subwoofer
fS
32 Hz
SD
224 cm²
QTS
0.39
xmax
7.0 mm
SPL1W
88 dB
Bl/√RE
3.79
Pmax
260 W
8″Woofer
fS
31 Hz
SD
232 cm²
20 - 3000 Hz
QTS
0.47
xmax
6.0 mm
SPL1W
87 dB
Bl/√RE
3.78
Pmax
150 W