MONACOR SPH-135/AD
Mid-range
5.5″ / 135 mm
Nominal diameter
39 Hz
Resonance
0.37
Q factor
87 dB
Sensitivity
± 1.75 mm
Linear excursion
60 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.4
dB
Frequency response
39 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
3.40
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.37
Large signal parameters
Maximum linear excursion
xmax
1.75
mm
Air volume displaced at xmax
VD
17
cm³
Power handling
P
40
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.47
mH
VC Diameter
26
mm
Winding material
Kapton
Magnet
Force factor
Bl
5.0
N/A
Motor constant
Bl/√RE
2.13
N/√W
Diameter
100
mm
Weight
0.38
kg
Diaphragm
Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
7.8
g
Moving mass (without air load)
MMD
7.1
g
Suspensions
Stiffness
KMS
0.47
N/mm
Compliance
CMS
2140
µm/N
Equivalent volume to the compliance
VAS
26
L
Mechanical resistance
RMS
0.56
N·s/m
Dimensions
Nominal diameter
5.5
″
135 x 135
mm
Overall size
135 x 135
mm
Baffle cutout diameter
121
mm
Overall depth
70
mm
Flange thickness
6
mm
Mounting depth
64
mm
Volume occupied by the driver (estimated)
0.33
L
Net weight
1.1
kg
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SpeakerbenchSimilar woofers to MONACOR SPH-135/AD
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8″Woofer
fS
41 Hz
SD
143 cm²
40 - 4000 Hz
QTS
0.38
xmax
5.0 mm
SPL1W
87 dB
Bl/√RE
3.43
Pmax
160 W
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6.5″Mid Bass
fS
40 Hz
SD
134 cm²
40 - 2500 Hz
QTS
0.39
xmax
4.2 mm
SPL1W
87 dB
Bl/√RE
3.14
Pmax
200 W