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
.png)
.png)
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
.png)
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to accuton C158-6-851
.jpg.webp)
7″Woofer
fS
36 Hz
SD
125 cm²
39 - 3600 Hz
QTS
0.31
xmax
6.0 mm
SPL1W
86 dB
Bl/√RE
3.09
Pmax
120 W
.jpg.webp)
.jpg.webp)