10″ / 254 mm
Nominal diameter
70 Hz
Resonance
0.35
Q factor
97 dB
Sensitivity
± 2 mm
Linear excursion
500 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
97.1
dB
Frequency response
70 - 35000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
70.0
Hz
Mechanical quality factor
QMS
3.66
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
70
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.1
mH
VC Diameter
50
mm
Magnet
Force factor
Bl
11.0
N/A
Motor constant
Bl/√RE
5.8
N/√W
Air gap height
HAG
8
mm
Diaphragm
Effective diameter
211
mm
Effective area
SD
350
cm²
Moving mass
MMS
30
g
Moving mass (without air load)
MMD
25.3
g
Suspensions
Stiffness
KMS
5.75
N/mm
Compliance
CMS
174
µm/N
Equivalent volume to the compliance
VAS
30.2
L
Mechanical resistance
RMS
3.61
N·s/m
Dimensions
Nominal diameter
10
″
254
mm
Volume occupied by the driver (estimated)
2.0
L
Net weight
4.6
kg
Similar woofers to Tang Band WT-998D
10″Woofer
fS
65 Hz
SD
346 cm²
65 - 5000 Hz
QTS
0.33
xmax
4.0 mm
SPL1W
97 dB
Bl/√RE
6.02
Pmax
500 W
10″Mid Bass
fS
65 Hz
SD
346 cm²
65 - 6000 Hz
QTS
0.30
xmax
4.0 mm
SPL1W
97 dB
Bl/√RE
6.42
Pmax
700 W
10″Low frequency
fS
69 Hz
SD
346 cm²
60 - 5500 Hz
QTS
0.32
xmax
4.0 mm
SPL1W
95 dB
Bl/√RE
6.04
Pmax
300 W