9″ / 229 mm
Nominal diameter
33 Hz
Resonance
0.39
Q factor
88 dB
Sensitivity
± 6.5 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.8
dB
Frequency response
32 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
32.6
Hz
Mechanical quality factor
QMS
14.50
Electrical quality factor
QES
0.40
Total quality factor
QTS
0.39
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
139
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.13
mH
VC Diameter
39
mm
Winding height
HVC
18
mm
Magnet
Force factor
Bl
7.7
N/A
Motor constant
Bl/√RE
4.18
N/√W
Air gap height
HAG
5
mm
Diaphragm
Effective diameter
165
mm
Effective area
SD
213
cm²
Moving mass
MMS
34
g
Moving mass (without air load)
MMD
31.5
g
Suspensions
Stiffness
KMS
1.43
N/mm
Compliance
CMS
700
µm/N
Equivalent volume to the compliance
VAS
45
L
Mechanical resistance
RMS
0.48
N·s/m
Dimensions
Nominal diameter
9
″
229
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.5
kg
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Export this driver to a simulation software:
WinISD
Basta!
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SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Wavecor WF223BD01
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8″Woofer
fS
32 Hz
SD
214 cm²
30 - 7000 Hz
QTS
0.34
xmax
7.0 mm
SPL1W
88 dB
Bl/√RE
3.19
Pmax
120 W
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8″Woofer
fS
36 Hz
SD
227 cm²
40 - 12500 Hz
QTS
0.39
xmax
10.4 mm
SPL1W
88 dB
Bl/√RE
4.42
Pmax
250 W