Hertz Uno S 300 S4
Subwoofer
12″ / 300 mm
Nominal diameter
33 Hz
Resonance
0.6
Q factor
88 dB
Sensitivity
± 9.1 mm
Linear excursion
1000 W
Program Power
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.2
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
7.80
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.60
Large signal parameters
Maximum linear excursion
xmax
9.1
mm
Maximum excursion before damage
xlim
15.1
mm
Air volume displaced at xmax
VD
478
cm³
Power handling
P
250
W
Program power
Pmax
1000
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz, estimated)
LE
0.89
mH
VC Diameter
38
mm
Magnet
Force factor
Bl
11.3
N/A
Motor constant
Bl/√RE
5.96
N/√W
Diameter
134
mm
Height
34
mm
Material
Ferrite
Diaphragm
Effective diameter
258
mm
Effective area
SD
525
cm²
Moving mass
MMS
112
g
Moving mass (without air load)
MMD
103.5
g
Material
Painted Pressed Paper Pulp
Suspensions
Stiffness
KMS
4.76
N/mm
Compliance
CMS
210
µm/N
Equivalent volume to the compliance
VAS
82.2
L
Mechanical resistance
RMS
2.98
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
307
mm
Baffle cutout diameter
280
mm
Overall depth
128
mm
Flange thickness
7
mm
Mounting depth
121
mm
Volume occupied by the driver (estimated)
1.6
L
Net weight
3.0
kg
Export this driver to a simulation software:
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fS
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SD
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QTS
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SPL1W
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5.55
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SD
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SD
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SPL1W
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