12″ / 300 mm
Nominal diameter
23 Hz
Resonance
0.48
Q factor
85 dB
Sensitivity
± 16 mm
Linear excursion
1200 W
Program Power
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Sensitivity (1W, 1m, infinite baffle)
SPL1W
84.9
dB
Thiele & Small parameters
Resonance frequency (free air)
fS
23.0
Hz
Mechanical quality factor
QMS
5.90
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.48
Large signal parameters
Maximum linear excursion
xmax
16.0
mm
Maximum excursion before damage
xlim
26.0
mm
Air volume displaced at xmax
VD
850
cm³
Power handling
P
600
W
Program power
Pmax
1200
W
Voice Coil
Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
4.0
Ω
Inductance (1kHz, in series)
LE
2.52
mH
VC Diameter
65
mm
Magnet
Force factor (in series)
Bl
15.4
N/A
Motor constant
Bl/√RE
7.7
N/√W
Diameter
165
mm
Height
35
mm
Material
Ferrite
Diaphragm
Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
221
g
Moving mass (without air load)
MMD
212.1
g
Material
Pressed-pulp cone with mineral powders
Suspensions
Stiffness
KMS
4.55
N/mm
Compliance
CMS
220
µm/N
Equivalent volume to the compliance
VAS
88
L
Mechanical resistance
RMS
5.41
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
321
mm
Baffle cutout diameter
284
mm
Overall depth
187
mm
Flange thickness
23
mm
Mounting depth
164
mm
Volume occupied by the driver (estimated)
4.1
L
Net weight
8.63
kg
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Export this driver to a simulation software:
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QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to Hertz MP 300 D2.3 PRO
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Hertz MP 300 D4.3 PRO2 x 4 Ω
12″Subwoofer
fS
24 Hz
SD
524 cm²
QTS
0.42
xmax
17.0 mm
SPL1W
85 dB
Bl/√RE
8.71
Pmax
1200 W
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12″Subwoofer
fS
26 Hz
SD
448 cm²
10 - 900 Hz
QTS
0.57
xmax
9.5 mm
SPL1W
85 dB
Bl/√RE
5.6
Pmax
1200 W