8.5″ / 216 mm
Nominal diameter
30 Hz
Resonance
0.44
Q factor
85 dB
Sensitivity
± 10 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.6
dB
Frequency response
30 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
10.00
Electrical quality factor
QES
0.46
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
10.0
mm
Air volume displaced at xmax
VD
206
cm³
Power handling
P
150
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz)
LE
1.2
mH
VC Diameter
39
mm
Winding height
HVC
25
mm
Magnet
Force factor
Bl
8.45
N/A
Motor constant
Bl/√RE
4.65
N/√W
Air gap height
HAG
5
mm
Diaphragm
Effective diameter
162
mm
Effective area
SD
206
cm²
Moving mass
MMS
53
g
Moving mass (without air load)
MMD
50.7
g
Suspensions
Stiffness
KMS
1.85
N/mm
Compliance
CMS
540
µm/N
Equivalent volume to the compliance
VAS
32.5
L
Mechanical resistance
RMS
1.0
N·s/m
Dimensions
Nominal diameter
8.5
″
216
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.4
kg
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Export this driver to a simulation software:
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SpeakerbenchSimilar woofers to Wavecor SW215WA01
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Dayton Audio SD215A-882 x 8 Ω
8″Subwoofer
fS
31 Hz
SD
209 cm²
31 - 2500 Hz
QTS
0.39
xmax
6.0 mm
SPL1W
86 dB
Bl/√RE
4.3
Pmax
160 W
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8″Subwoofer
fS
29 Hz
SD
210 cm²
QTS
0.43
xmax
10.5 mm
SPL1W
84 dB
Bl/√RE
4.54
Pmax
300 W