8″ / 180 mm
Nominal diameter
37 Hz
Resonance
0.59
Q factor
86 dB
Sensitivity
± 6 mm
Linear excursion
200 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.8
dB
Frequency response
37 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
3.47
Electrical quality factor
QES
0.71
Total quality factor
QTS
0.59
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
101
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz)
LE
0.1
mH
VC Diameter
35
mm
Winding height
HVC
17
mm
Magnet
Flux density
B
1.13
T
Force factor
Bl
3.3
N/A
Motor constant
Bl/√RE
1.79
N/√W
Diameter
120
mm
Height
20
mm
Diaphragm
Effective diameter
146
mm
Effective area
SD
168
cm²
Moving mass
MMS
14.9
g
Moving mass (without air load)
MMD
13.3
g
Suspensions
Stiffness
KMS
0.52
N/mm
Compliance
CMS
1930
µm/N
Equivalent volume to the compliance
VAS
77
L
Mechanical resistance
RMS
1.0
N·s/m
Dimensions
Nominal diameter
8
″
180
mm
Overall size
184 x 184
mm
Baffle cutout diameter
169
mm
Overall depth
93
mm
Flange thickness
6
mm
Mounting depth
87
mm
Volume occupied by the driver (estimated)
0.75
L
Net weight
2.2
kg
Similar woofers to Aurum Cantus AC-180F1D
8″Woofer
fS
29 Hz
SD
219 cm²
QTS
0.52
xmax
4.8 mm
SPL1W
86 dB
Bl/√RE
2.74
Pmax
300 W
8″Mid Bass
fS
36 Hz
SD
214 cm²
35 - 3000 Hz
QTS
0.53
xmax
4.4 mm
SPL1W
88 dB
Bl/√RE
2.62
Pmax
150 W
8″Full-range
fS
36 Hz
SD
213 cm²
36 - 18000 Hz
QTS
0.59
xmax
2.0 mm
SPL1W
88 dB
Bl/√RE
2.46
Pmax
100 W