7″ / 178 mm
Nominal diameter
33 Hz
Resonance
0.29
Q factor
89 dB
Sensitivity
160 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.5
dB
Frequency response
33 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.4
Hz
Mechanical quality factor
QMS
8.10
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29
Large signal parameters
Power handling
P
80
W
Program power
Pmax
160
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.3
Ω
Inductance (1kHz)
LE
0.14
mH
VC Diameter
39
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
8.5
N/A
Motor constant
Bl/√RE
3.39
N/√W
Air gap height
HAG
5
mm
Weight
0.885
kg
Diaphragm
Effective diameter
129
mm
Effective area
SD
131
cm²
Moving mass
MMS
16.1
g
Moving mass (without air load)
MMD
14.9
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
0.43
N·s/m
Dimensions
Nominal diameter
7
″
178
mm
Volume occupied by the driver (estimated)
0.95
L
Net weight
2.3
kg
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Similar speaker drivers to Wavecor WF182BD04
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6″Coaxial
fS
36 Hz
SD
119 cm²
QTS
0.31
xmax
4.7 mm
SPL1W
88 dB
Bl/√RE
2.85
Pmax
80 W
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8″Woofer
fS
35 Hz
SD
126 cm²
20 - 3000 Hz
QTS
0.34
xmax
7.0 mm
SPL1W
88 dB
Bl/√RE
2.95
Pmax
280 W
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8″Woofer
fS
37 Hz
SD
136 cm²
45 - 3000 Hz
QTS
0.32
xmax
6.0 mm
SPL1W
88 dB
Bl/√RE
2.96
Pmax
250 W