MONACOR SP-30
Full-range
3x3″/ 78x78 mm
Nominal size
150 Hz
Resonance
0.73
Q factor
87 dB
Sensitivity
± 1.5 mm
Linear excursion
10 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.7
dB
Frequency response
150 - 15000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
150
Hz
Mechanical quality factor
QMS
2.50
Electrical quality factor
QES
1.04
Total quality factor
QTS
0.73
Large signal parameters
Maximum linear excursion
xmax
1.5
mm
Air volume displaced at xmax
VD
4.7
cm³
Power handling
P
5
W
Program power
Pmax
10
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz)
LE
0.18
mH
VC Diameter
20
mm
Winding material
Aluminium
Magnet
Force factor
Bl
2.33
N/A
Motor constant
Bl/√RE
1.25
N/√W
Diameter
60
mm
Weight
0.15
kg
Diaphragm
Effective diameter
63
mm
Effective area
SD
31
cm²
Moving mass
MMS
1.7
g
Moving mass (without air load)
MMD
1.6
g
Suspensions
Stiffness
KMS
1.92
N/mm
Compliance
CMS
520
µm/N
Equivalent volume to the compliance
VAS
0.7
L
Mechanical resistance
RMS
0.64
N·s/m
Dimensions
Nominal size
3 x 3
″
78 x 78
mm
Overall size
78 x 78
mm
Baffle cutout diameter
73
mm
Overall depth
40
mm
Flange thickness
2
mm
Mounting depth
38
mm
Volume occupied by the driver (estimated)
0.11
L
Net weight
0.3
kg
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SpeakerbenchSimilar speaker drivers to MONACOR SP-30
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3″Full-range
fS
165 Hz
SD
28 cm²
165 - 30000 Hz
QTS
0.84
xmax
0.2 mm
SPL1W
87 dB
Bl/√RE
1.22
Pmax
7 W
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2 x 3″Full-range
fS
150 Hz
SD
29 cm²
150 - 20000 Hz
QTS
0.68
xmax
0.9 mm
SPL1W
87 dB
Bl/√RE
1.61
Pmax
25 W
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3″Full-range
fS
150 Hz
SD
33 cm²
100 - 20000 Hz
QTS
0.79
xmax
2.0 mm
SPL1W
86 dB
Bl/√RE
1.33
Pmax
40 W