MONACOR SP-300P
Woofer
12″ / 310 mm
Nominal diameter
30 Hz
Resonance
0.31
Q factor
93 dB
Sensitivity
± 2.5 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.4
dB
Frequency response
30 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
1.74
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.31
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
124
cm³
Power handling
P
100
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
50
mm
Winding material
Aluminium
Magnet
Force factor
Bl
11.7
N/A
Motor constant
Bl/√RE
4.59
N/√W
Diameter
145
mm
Weight
1.2
kg
Diaphragm
Effective diameter
251
mm
Effective area
SD
495
cm²
Moving mass
MMS
42
g
Moving mass (without air load)
MMD
34
g
Suspensions
Stiffness
KMS
1.3
N/mm
Compliance
CMS
770
µm/N
Equivalent volume to the compliance
VAS
266
L
Mechanical resistance
RMS
4.55
N·s/m
Dimensions
Nominal diameter
12
″
310
mm
Overall diameter
310
mm
Baffle cutout diameter
275
mm
Overall depth
140
mm
Flange thickness
10
mm
Mounting depth
130
mm
Volume occupied by the driver (estimated)
1.8
L
Net weight
3.4
kg
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SpeakerbenchSimilar woofers to MONACOR SP-300P
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12″Subwoofer
fS
32 Hz
SD
530 cm²
QTS
0.34
xmax
14.0 mm
SPL1W
93 dB
Bl/√RE
5.77
Pmax
1000 W