MONACOR SPH-300KE
Woofer
12″ / 309 mm
Nominal diameter
22 Hz
Resonance
0.33
Q factor
91 dB
Sensitivity
± 6.5 mm
Linear excursion
200 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
90.5
dB
Frequency response
22 - 2200
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
22.0
Hz
Mechanical quality factor
QMS
4.15
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.33
Large signal parameters
Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
322
cm³
Power handling
P
120
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
66
mm
Winding material
Glass Fibre
Magnet
Force factor
Bl
12.5
N/A
Motor constant
Bl/√RE
5.02
N/√W
Diameter
145
mm
Weight
1.2
kg
Diaphragm
Effective diameter
251
mm
Effective area
SD
496
cm²
Moving mass
MMS
65
g
Moving mass (without air load)
MMD
57
g
Suspensions
Stiffness
KMS
1.24
N/mm
Compliance
CMS
810
µm/N
Equivalent volume to the compliance
VAS
250
L
Mechanical resistance
RMS
2.17
N·s/m
Dimensions
Nominal diameter
12
″
309
mm
Overall diameter
309
mm
Baffle cutout diameter
272
mm
Overall depth
130
mm
Flange thickness
11
mm
Mounting depth
119
mm
Volume occupied by the driver (estimated)
2.0
L
Net weight
4.3
kg
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SD
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SD
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22 - 2800 Hz
QTS
0.35
xmax
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SPL1W
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