12″ / 305 mm
Nominal diameter
40 Hz
Resonance
0.46
Q factor
93 dB
Sensitivity
± 3.25 mm
Linear excursion
350 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.0
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
40.0
Hz
Mechanical quality factor
QMS
2.65
Electrical quality factor
QES
0.52
Total quality factor
QTS
0.46
Large signal parameters
Maximum linear excursion
xmax
3.25
mm
Air volume displaced at xmax
VD
167
cm³
Power handling
P
175
W
Program power
Pmax
350
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.9
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
39
mm
Winding material
Aluminium
Magnet
Force factor
Bl
10.5
N/A
Motor constant
Bl/√RE
4.0
N/√W
Diameter
125
mm
Weight
0.85
kg
Diaphragm
Effective diameter
256
mm
Effective area
SD
514
cm²
Moving mass
MMS
45
g
Moving mass (without air load)
MMD
36.8
g
Suspensions
Stiffness
KMS
2.86
N/mm
Compliance
CMS
350
µm/N
Equivalent volume to the compliance
VAS
150
L
Mechanical resistance
RMS
4.27
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Overall diameter
305
mm
Baffle cutout diameter
280
mm
Overall depth
130
mm
Flange thickness
0
mm
Mounting depth
130
mm
Volume occupied by the driver (estimated)
1.6
L
Net weight
3.0
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to MONACOR SP-300PA
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12″Bass Guitar Speaker
fS
38 Hz
SD
535 cm²
40 - 4000 Hz
QTS
0.48
xmax
4.7 mm
SPL1W
93 dB
Bl/√RE
4.3
Pmax
200 W
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12″Woofer
fS
40 Hz
SD
514 cm²
40 - 4000 Hz
QTS
0.52
xmax
3.3 mm
SPL1W
91 dB
Bl/√RE
4.95
Pmax
350 W
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12″Subwoofer
fS
45 Hz
SD
539 cm²
45 - 5000 Hz
QTS
0.52
xmax
7.3 mm
SPL1W
94 dB
Bl/√RE
5.15
Pmax
600 W