accuton AS190-9-251
Woofer
8″ / 190 mm
Nominal diameter
33 Hz
Resonance
0.44
Q factor
85 dB
Sensitivity
± 9 mm
Linear excursion
500 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
84.8
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
33.4
Hz
Mechanical quality factor
QMS
4.75
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.44
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
182
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
8.6
Ω
Inductance (1kHz)
LE
1.05
mH
VC Diameter
78
mm
Winding material
Copper Clad Aluminium
Former material
Titanium
Magnet
Force factor
Bl
13.5
N/A
Motor constant
Bl/√RE
4.6
N/√W
Diameter
156
mm
Height
52
mm
Diaphragm
Effective diameter
160
mm
Effective area
SD
202
cm²
Moving mass
MMS
49.4
g
Moving mass (without air load)
MMD
47.4
g
Suspensions
Stiffness
KMS
2.17
N/mm
Compliance
CMS
460
µm/N
Equivalent volume to the compliance
VAS
26.7
L
Mechanical resistance
RMS
2.18
N·s/m
Dimensions
Nominal diameter
8
″
190
mm
Overall diameter
190
mm
Baffle cutout diameter
170
mm
Overall depth
137
mm
Flange thickness
16
mm
Mounting depth
121
mm
Volume occupied by the driver (estimated)
1.2
L
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SpeakerbenchSimilar woofers to accuton AS190-9-251
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8″Woofer
fS
32 Hz
SD
146 cm²
20 - 3000 Hz
QTS
0.38
xmax
7.0 mm
SPL1W
85 dB
Bl/√RE
3.53
Pmax
330 W
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8″Woofer
fS
34 Hz
SD
136 cm²
20 - 2000 Hz
QTS
0.41
xmax
7.0 mm
SPL1W
85 dB
Bl/√RE
3.33
Pmax
360 W
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PowerBass L-1004D2 x 4 Ω
10″Subwoofer
fS
33 Hz
SD
330 cm²
33 - 500 Hz
QTS
0.39
xmax
11.0 mm
SPL1W
86 dB
Bl/√RE
7.19
Pmax
700 W