accuton AS168-9-470

Woofer

7″ / 168 mm
Nominal diameter
27 Hz
Resonance
0.35
Q factor
84 dB
Sensitivity
± 8 mm
Linear excursion
500 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
84.4
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
4.35
Electrical quality factor
QES
0.38
Total quality factor
QTS
0.35

Large signal parameters

Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
129
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
9.0
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
47
mm
Winding material
Copper Clad Aluminium
Former material
Titanium

Magnet

Force factor
Bl
12.1
N/A
Motor constant
Bl/√RE
4.03
N/√W
Diameter
135
mm
Height
43
mm

Diaphragm

Effective diameter
143
mm
Effective area
SD
161
cm²
Moving mass
MMS
36
g
Moving mass (without air load)
MMD
34.6
g
Material
Aluminium-Sandwich

Suspensions

Stiffness
KMS
1.03
N/mm
Compliance
CMS
970
µm/N
Equivalent volume to the compliance
VAS
35.5
L
Mechanical resistance
RMS
1.4
N·s/m

Dimensions

Nominal diameter
7
168
mm
Overall diameter
168
mm
Baffle cutout diameter
148
mm
Overall depth
118
mm
Flange thickness
16
mm
Mounting depth
102
mm
Volume occupied by the driver (estimated)
0.82
L
accuton AS168-9-470 SPL
accuton AS168-9-470 Distortion
accuton AS168-9-470 Dimensions

Export this driver to a simulation software:

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fS
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SD
243 cm²
QTS
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xmax
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Bl/√RE
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Pmax
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SD
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xmax
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