Aurum Cantus AC-250F1
Woofer
10″ / 250 mm
Nominal diameter
20 Hz
Resonance
0.29
Q factor
87 dB
Sensitivity
± 8 mm
Linear excursion
300 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.7
dB
Frequency response
20 - 3000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
20.0
Hz
Mechanical quality factor
QMS
2.75
Electrical quality factor
QES
0.32
Total quality factor
QTS
0.29
Large signal parameters
Maximum linear excursion
xmax
8.0
mm
Air volume displaced at xmax
VD
277
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
1.11
T
Force factor
Bl
11.8
N/A
Motor constant
Bl/√RE
4.46
N/√W
Diameter
145
mm
Height
20
mm
Diaphragm
Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
64.5
g
Moving mass (without air load)
MMD
59.6
g
Suspensions
Stiffness
KMS
0.76
N/mm
Compliance
CMS
1320
µm/N
Equivalent volume to the compliance
VAS
224
L
Mechanical resistance
RMS
2.95
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
278
mm
Baffle cutout diameter
235
mm
Overall depth
121
mm
Flange thickness
5
mm
Mounting depth
116
mm
Volume occupied by the driver (estimated)
1.7
L
Net weight
3.94
kg
Frame material
Aluminum
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SpeakerbenchSimilar subwoofers to Aurum Cantus AC-250F1
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12″Subwoofer
fS
17 Hz
SD
466 cm²
QTS
0.32
xmax
12.5 mm
SPL1W
86 dB
Bl/√RE
6.51
Pmax
350 W
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12″Subwoofer
fS
17 Hz
SD
466 cm²
QTS
0.32
xmax
12.5 mm
SPL1W
86 dB
Bl/√RE
6.51
Pmax
350 W
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