Aurum Cantus AC200/50C2C
Woofer
8″ / 200 mm
Nominal diameter
27 Hz
Resonance
0.26
Q factor
90 dB
Sensitivity
± 6 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.2
dB
Frequency response
27 - 4500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
27.0
Hz
Mechanical quality factor
QMS
4.25
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
132
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.0
Ω
Inductance (1kHz)
LE
0.67
mH
VC Diameter
50
mm
Winding height
HVC
15
mm
Magnet
Flux density
B
0.93
T
Force factor
Bl
8.8
N/A
Motor constant
Bl/√RE
3.33
N/√W
Diameter
120
mm
Height
20
mm
Diaphragm
Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
20.2
g
Moving mass (without air load)
MMD
17.7
g
Suspensions
Stiffness
KMS
0.53
N/mm
Compliance
CMS
1900
µm/N
Equivalent volume to the compliance
VAS
130
L
Mechanical resistance
RMS
0.81
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
225
mm
Baffle cutout diameter
194
mm
Overall depth
104
mm
Flange thickness
6
mm
Mounting depth
98
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.57
kg
Frame material
Aluminum
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SpeakerbenchSimilar woofers to Aurum Cantus AC200/50C2C
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10″Woofer
fS
28 Hz
SD
320 cm²
30 - 1000 Hz
QTS
0.31
xmax
5.5 mm
SPL1W
90 dB
Bl/√RE
4.92
Pmax
200 W
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8″Subwoofer
fS
29 Hz
SD
220 cm²
29 - 4000 Hz
QTS
0.29
xmax
4.0 mm
SPL1W
90 dB
Bl/√RE
3.27
Pmax
250 W