accuton C158-6-851

Mid Bass

6.25″ / 158 mm
Nominal diameter
31 Hz
Resonance
0.28
Q factor
86 dB
Sensitivity
± 5 mm
Linear excursion
240 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
85.9
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
31.0
Hz
Mechanical quality factor
QMS
5.09
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
57
cm³
Power handling
P
120
W
Program power
Pmax
240
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
0.77
mH
VC Diameter
38
mm
Winding material
Copper
Former material
Titanium

Magnet

Force factor
Bl
8.7
N/A
Motor constant
Bl/√RE
3.53
N/√W
Diameter
120
mm
Height
42
mm

Diaphragm

Effective diameter
120
mm
Effective area
SD
113
cm²
Moving mass
MMS
18.5
g
Moving mass (without air load)
MMD
17.6
g
Material
Ceramic

Suspensions

Stiffness
KMS
0.7
N/mm
Compliance
CMS
1420
µm/N
Equivalent volume to the compliance
VAS
25.7
L
Mechanical resistance
RMS
0.71
N·s/m

Dimensions

Nominal diameter
6.25
158
mm
Overall diameter
158
mm
Baffle cutout diameter
137
mm
Overall depth
90
mm
Flange thickness
6
mm
Mounting depth
84
mm
Volume occupied by the driver (estimated)
0.52
L
accuton C158-6-851 Impedance
accuton C158-6-851 SPL
accuton C158-6-851 Distortion
accuton C158-6-851 Dimensions

Export this driver to a simulation software:

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SD
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