8″ / 203 mm
Nominal diameter
37 Hz
Resonance
0.31
Q factor
86 dB
Sensitivity
± 5.25 mm
Linear excursion
200 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
86.3
dB
Frequency response
37 - 350
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
5.95
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
5.25
mm
Air volume displaced at xmax
VD
116
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.54
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
13.01
N/A
Motor constant
Bl/√RE
7.06
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
69.9
g
Moving mass (without air load)
MMD
67.5
g
Material
Polypropylene Injection
Suspensions
Stiffness
KMS
3.86
N/mm
Compliance
CMS
259
µm/N
Equivalent volume to the compliance
VAS
17.8
L
Mechanical resistance
RMS
2.73
N·s/m
Surround material
Foam Rubber
Dimensions
Nominal diameter
8
″
203
mm
Volume occupied by the driver (estimated)
0.75
L
Net weight
1.83
kg
Similar subwoofers to Tang Band W8-1853
10″Subwoofer
fS
41 Hz
SD
330 cm²
40 - 600 Hz
QTS
0.33
xmax
11.0 mm
SPL1W
87 dB
Bl/√RE
9.09
Pmax
800 W
10″Subwoofer
fS
36 Hz
SD
363 cm²
QTS
0.36
xmax
14.0 mm
SPL1W
85 dB
Bl/√RE
10
Pmax
1000 W
8″Subwoofer
fS
38 Hz
SD
219 cm²
QTS
0.31
xmax
7.5 mm
SPL1W
87 dB
Bl/√RE
6.7
Pmax
800 W