Aurum Cantus AC-250MK2

Woofer

10″ / 250 mm
Nominal diameter
23 Hz
Resonance
0.42
Q factor
86 dB
Sensitivity
± 8 mm
Linear excursion
300 W
Program Power
Aurum Cantus AC-250MK2 Woofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
85.8
dB
Frequency response
23 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
23.0
Hz
Mechanical quality factor
QMS
3.12
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.42

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
8.4
N/A
Motor constant
Bl/√RE
3.17
N/√W
Diameter
145
mm
Height
20
mm

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
50.5
g
Moving mass (without air load)
MMD
45.6
g

Suspensions

Stiffness
KMS
0.73
N/mm
Compliance
CMS
1380
µm/N
Equivalent volume to the compliance
VAS
235
L
Mechanical resistance
RMS
2.34
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
3.92
kg
Frame material
Aluminum
Impedance & Phase
SPL
Aurum Cantus AC-250MK2 Impedance & Phase
Aurum Cantus AC-250MK2 SPL
Aurum Cantus AC-250MK2 Dimensions
DatasheetDatasheet

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