Hertz Cento CS 300 S2

Subwoofer

12″ / 300 mm
Nominal diameter
25 Hz
Resonance
0.46
Q factor
87 dB
Sensitivity
± 12.5 mm
Linear excursion
700 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
86.5
dB

Thiele & Small parameters

Resonance frequency (free air)
fS
25.0
Hz
Mechanical quality factor
QMS
7.20
Electrical quality factor
QES
0.49
Total quality factor
QTS
0.46

Large signal parameters

Maximum linear excursion
xmax
12.5
mm
Maximum excursion before damage
xlim
16.5
mm
Air volume displaced at xmax
VD
693
cm³
Power handling
P
350
W
Program power
Pmax
700
W

Voice Coil

Nominal impedance
Z
2
Ω
DC resistance
RE
2.2
Ω
Inductance (1kHz)
LE
2.8
mH
VC Diameter
35
mm

Magnet

Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
8.09
N/√W
Diameter
134
mm
Height
34
mm
Material
Ferrite

Diaphragm

Effective diameter
267
mm
Effective area
SD
555
cm²
Moving mass
MMS
205
g
Moving mass (without air load)
MMD
195.8
g
Material
Polyproyilene

Suspensions

Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
87.3
L
Mechanical resistance
RMS
4.47
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
318
mm
Baffle cutout diameter
281
mm
Overall depth
147
mm
Flange thickness
17
mm
Mounting depth
130
mm
Volume occupied by the driver (estimated)
2.4
L
Net weight
4.844
kg
Hertz CS 300 S2 Impedance

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Similar subwoofers to Hertz CS 300 S2

Hertz CS 300 S4 Subwoofer
12Subwoofer
fS
25 Hz
SD
560 cm²
QTS
0.47
xmax
12.5 mm
SPL1W
87 dB
Bl/√RE
7.8
Pmax
700 W