accuton AS250-8-552
Woofer
11″ / 250 mm
Nominal diameter
22 Hz
Resonance
0.4
Q factor
87 dB
Sensitivity
± 9 mm
Linear excursion
600 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.5
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
22.0
Hz
Mechanical quality factor
QMS
5.00
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.40
Large signal parameters
Maximum linear excursion
xmax
9.0
mm
Air volume displaced at xmax
VD
344
cm³
Power handling
P
300
W
Program power
Pmax
600
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.3
Ω
Inductance (1kHz)
LE
0.67
mH
VC Diameter
114
mm
Winding material
Copper
Former material
Titanium
Magnet
Force factor
Bl
15.1
N/A
Motor constant
Bl/√RE
5.59
N/√W
Diameter
210
mm
Height
57
mm
Diaphragm
Effective diameter
221
mm
Effective area
SD
382
cm²
Moving mass
MMS
92
g
Moving mass (without air load)
MMD
87
g
Material
Aluminium-Sandwich
Suspensions
Stiffness
KMS
1.75
N/mm
Compliance
CMS
570
µm/N
Equivalent volume to the compliance
VAS
119
L
Mechanical resistance
RMS
2.52
N·s/m
Dimensions
Nominal diameter
11
″
250
mm
Overall diameter
250
mm
Baffle cutout diameter
230
mm
Overall depth
141
mm
Flange thickness
18
mm
Mounting depth
123
mm
Volume occupied by the driver (estimated)
1.8
L
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SpeakerbenchSimilar subwoofers to accuton AS250-8-552
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12″Subwoofer
fS
23 Hz
SD
499 cm²
22 - 300 Hz
QTS
0.37
xmax
11.0 mm
SPL1W
87 dB
Bl/√RE
7.66
Pmax
600 W
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12″Subwoofer
fS
24 Hz
SD
471 cm²
10 - 900 Hz
QTS
0.46
xmax
12.5 mm
SPL1W
87 dB
Bl/√RE
6.76
Pmax
2000 W