MONACOR SP-302PA

Woofer

12″ / 303 mm
Nominal diameter
45 Hz
Resonance
0.89
Q factor
91 dB
Sensitivity
± 2.5 mm
Linear excursion
200 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
90.9
dB
Frequency response
45 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
2.20
Electrical quality factor
QES
1.47
Total quality factor
QTS
0.89

Large signal parameters

Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
136
cm³
Power handling
P
100
W
Program power
Pmax
200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.7
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
38
mm
Winding material
Aluminium

Magnet

Force factor
Bl
10.5
N/A
Motor constant
Bl/√RE
3.78
N/√W
Diameter
119
mm
Weight
0.85
kg

Diaphragm

Effective diameter
263
mm
Effective area
SD
542
cm²
Moving mass
MMS
57
g
Moving mass (without air load)
MMD
48.4
g

Suspensions

Stiffness
KMS
6.67
N/mm
Compliance
CMS
150
µm/N
Equivalent volume to the compliance
VAS
51
L
Mechanical resistance
RMS
7.33
N·s/m

Dimensions

Nominal diameter
12
303
mm
Overall diameter
303
mm
Baffle cutout diameter
280
mm
Overall depth
125
mm
Flange thickness
9
mm
Mounting depth
116
mm
Volume occupied by the driver (estimated)
1.3
L
Net weight
2.36
kg
MONACOR SP-302PA SPL & Impedance
MONACOR SP-302PA Dimensions

Export this driver to a simulation software:

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10Mid-range
fS
58 Hz
SD
356 cm²
70 - 4600 Hz
QTS
0.72
xmax
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Bl/√RE
4.12
Pmax
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10Mid-range
fS
48 Hz
SD
346 cm²
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QTS
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xmax
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90 dB
Bl/√RE
2.89
Pmax
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