accuton C173-6-090
Mid-range
7″ / 173 mm
Nominal diameter
72 Hz
Resonance
0.26
Q factor
92 dB
Sensitivity
± 5.25 mm
Linear excursion
240 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.6
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
72.0
Hz
Mechanical quality factor
QMS
3.35
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
5.25
mm
Air volume displaced at xmax
VD
70
cm³
Power handling
P
120
W
Program power
Pmax
240
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.4
Ω
Inductance (1kHz)
LE
0.32
mH
VC Diameter
55
mm
Winding material
Copper
Former material
Titanium
Magnet
Force factor
Bl
11.8
N/A
Motor constant
Bl/√RE
4.67
N/√W
Diameter
120
mm
Height
50
mm
Diaphragm
Effective diameter
130
mm
Effective area
SD
133
cm²
Moving mass
MMS
15
g
Moving mass (without air load)
MMD
13.8
g
Material
Ceramic
Suspensions
Stiffness
KMS
2.5
N/mm
Compliance
CMS
400
µm/N
Equivalent volume to the compliance
VAS
15.5
L
Mechanical resistance
RMS
1.86
N·s/m
Dimensions
Nominal diameter
7
″
173
mm
Overall diameter
173
mm
Baffle cutout diameter
146
mm
Overall depth
102
mm
Flange thickness
6
mm
Mounting depth
96
mm
Volume occupied by the driver (estimated)
0.7
L
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SpeakerbenchSimilar woofers to accuton C173-6-090
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6.5″Coaxial
fS
65 Hz
SD
135 cm²
65 - 20000 Hz
QTS
0.27
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.7
Pmax
400 W
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6.5″Woofer
fS
58 Hz
SD
135 cm²
55 - 9000 Hz
QTS
0.26
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.74
Pmax
400 W
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6″Woofer
fS
65 Hz
SD
123 cm²
60 - 6000 Hz
QTS
0.27
xmax
5.6 mm
SPL1W
91 dB
Bl/√RE
4.78
Pmax
400 W