accuton C158-8-085
Mid Bass
6.25″ / 158 mm
Nominal diameter
37 Hz
Resonance
0.36
Q factor
87 dB
Sensitivity
± 5 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
4.91
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.36
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Air volume displaced at xmax
VD
57
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
8.1
Ω
Inductance (1kHz)
LE
0.54
mH
VC Diameter
25
mm
Winding material
Copper
Former material
Titanium
Magnet
Force factor
Bl
7.7
N/A
Motor constant
Bl/√RE
2.71
N/√W
Diameter
85
mm
Height
34
mm
Diaphragm
Effective diameter
120
mm
Effective area
SD
113
cm²
Moving mass
MMS
12.1
g
Moving mass (without air load)
MMD
11.2
g
Material
Ceramic
Suspensions
Stiffness
KMS
0.67
N/mm
Compliance
CMS
1500
µm/N
Equivalent volume to the compliance
VAS
27.3
L
Mechanical resistance
RMS
0.58
N·s/m
Dimensions
Nominal diameter
6.25
″
158
mm
Overall diameter
158
mm
Baffle cutout diameter
137
mm
Overall depth
82
mm
Flange thickness
6
mm
Mounting depth
76
mm
Volume occupied by the driver (estimated)
0.46
L
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SpeakerbenchSimilar woofers to accuton C158-8-085
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7″Mid-range
fS
34 Hz
SD
137 cm²
34 - 3000 Hz
QTS
0.30
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
3.37
Pmax
160 W
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5.5″Mid-range
fS
39 Hz
SD
95 cm²
39 - 6000 Hz
QTS
0.37
xmax
1.8 mm
SPL1W
87 dB
Bl/√RE
2.13
Pmax
60 W
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6″Mid Bass
fS
36 Hz
SD
118 cm²
QTS
0.37
xmax
5.5 mm
SPL1W
87 dB
Bl/√RE
2.78
Pmax
120 W