MONACOR SPA-112PA
Mid-range
12″ / 312 mm
Nominal diameter
53 Hz
Resonance
0.5
Q factor
95 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.5
dB
Frequency response
53 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
53.0
Hz
Mechanical quality factor
QMS
11.39
Electrical quality factor
QES
0.52
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
212
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
65
mm
Winding material
Kapton
Magnet
Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
5.16
N/√W
Diameter
156
mm
Weight
1.4
kg
Diaphragm
Effective diameter
260
mm
Effective area
SD
530
cm²
Moving mass
MMS
44
g
Moving mass (without air load)
MMD
35.3
g
Suspensions
Stiffness
KMS
5.0
N/mm
Compliance
CMS
200
µm/N
Equivalent volume to the compliance
VAS
77
L
Mechanical resistance
RMS
1.29
N·s/m
Dimensions
Nominal diameter
12
″
312
mm
Overall diameter
312
mm
Baffle cutout diameter
281
mm
Overall depth
128
mm
Flange thickness
12
mm
Mounting depth
116
mm
Volume occupied by the driver (estimated)
2.0
L
Net weight
4.4
kg
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SpeakerbenchSimilar woofers to MONACOR SPA-112PA
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12″Subwoofer
fS
55 Hz
SD
549 cm²
55 - 4000 Hz
QTS
0.57
xmax
5.4 mm
SPL1W
94 dB
Bl/√RE
5.14
Pmax
400 W
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12″Coaxial
fS
54 Hz
SD
522 cm²
54 - 18000 Hz
QTS
0.57
xmax
5.3 mm
SPL1W
95 dB
Bl/√RE
5.01
Pmax
500 W
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15″Subwoofer
fS
50 Hz
SD
908 cm²
50 - 1500 Hz
QTS
0.47
xmax
8.1 mm
SPL1W
95 dB
Bl/√RE
8.8
Pmax
1300 W