Wavecor SW178WA01
7″ / 178 mm
Nominal diameter
36 Hz
Resonance
0.35
Q factor
85 dB
Sensitivity
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.5
dB
Frequency response
36 - 600
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
18.40
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.35
Large signal parameters
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
2.2
mH
VC Diameter
39
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
4.74
N/√W
Air gap height
HAG
6
mm
Weight
0.68
kg
Diaphragm
Effective diameter
129
mm
Effective area
SD
131
cm²
Moving mass
MMS
35
g
Moving mass (without air load)
MMD
33.8
g
Suspensions
Stiffness
KMS
1.79
N/mm
Compliance
CMS
560
µm/N
Equivalent volume to the compliance
VAS
13.6
L
Mechanical resistance
RMS
0.43
N·s/m
Dimensions
Nominal diameter
7
″
178
mm
Volume occupied by the driver (estimated)
0.74
L
Net weight
1.81
kg
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Similar speaker drivers to Wavecor SW178WA01
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8″Subwoofer
fS
32 Hz
SD
220 cm²
32 - 800 Hz
QTS
0.39
xmax
12.0 mm
SPL1W
84 dB
Bl/√RE
7.28
Pmax
300 W
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6.5″Woofer
fS
36 Hz
SD
135 cm²
30 - 4000 Hz
QTS
0.34
xmax
3.2 mm
SPL1W
85 dB
Bl/√RE
4.16
Pmax
100 W
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8″Subwoofer
fS
30 Hz
SD
220 cm²
30 - 800 Hz
QTS
0.32
xmax
12.0 mm
SPL1W
84 dB
Bl/√RE
7.79
Pmax
300 W