7″ / 178 mm
Nominal diameter
29 Hz
Resonance
0.31
Q factor
86 dB
Sensitivity
± 5.5 mm
Linear excursion
160 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.6
dB
Frequency response
28 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
28.5
Hz
Mechanical quality factor
QMS
9.10
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
5.5
mm
Air volume displaced at xmax
VD
72
cm³
Power handling
P
80
W
Program power
Pmax
160
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz)
LE
0.1
mH
VC Diameter
39
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
6.5
N/A
Motor constant
Bl/√RE
3.63
N/√W
Air gap height
HAG
5
mm
Weight
0.725
kg
Diaphragm
Effective diameter
129
mm
Effective area
SD
131
cm²
Moving mass
MMS
23.4
g
Moving mass (without air load)
MMD
22.2
g
Suspensions
Stiffness
KMS
0.75
N/mm
Compliance
CMS
1330
µm/N
Equivalent volume to the compliance
VAS
32.4
L
Mechanical resistance
RMS
0.46
N·s/m
Dimensions
Nominal diameter
7
″
178
mm
Volume occupied by the driver (estimated)
0.8
L
Net weight
1.95
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to Wavecor WF182BD09/11
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5″Woofer
fS
35 Hz
SD
95 cm²
35 - 7000 Hz
QTS
0.27
xmax
5.0 mm
SPL1W
86 dB
Bl/√RE
2.31
Pmax
120 W
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8″Woofer
fS
32 Hz
SD
126 cm²
40 - 3000 Hz
QTS
0.30
xmax
5.0 mm
SPL1W
87 dB
Bl/√RE
3.44
Pmax
280 W