MONACOR SPH-175
Mid-range
6.75″ / 177 mm
Nominal diameter
33 Hz
Resonance
0.35
Q factor
88 dB
Sensitivity
± 2 mm
Linear excursion
100 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
87.8
dB
Frequency response
33 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
1.98
Electrical quality factor
QES
0.43
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
27
cm³
Power handling
P
60
W
Program power
Pmax
100
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
25
mm
Winding material
Aluminium
Magnet
Force factor
Bl
6.0
N/A
Motor constant
Bl/√RE
2.51
N/√W
Diameter
84
mm
Weight
0.35
kg
Diaphragm
Effective diameter
132
mm
Effective area
SD
137
cm²
Moving mass
MMS
12.5
g
Moving mass (without air load)
MMD
11.3
g
Suspensions
Stiffness
KMS
0.54
N/mm
Compliance
CMS
1860
µm/N
Equivalent volume to the compliance
VAS
48
L
Mechanical resistance
RMS
1.31
N·s/m
Dimensions
Nominal diameter
6.75
″
177 x 177
mm
Overall size
177 x 177
mm
Baffle cutout diameter
162
mm
Overall depth
70
mm
Flange thickness
1
mm
Mounting depth
69
mm
Volume occupied by the driver (estimated)
0.38
L
Net weight
1.045
kg
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SpeakerbenchSimilar woofers to MONACOR SPH-175
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8″Woofer
fS
35 Hz
SD
168 cm²
35 - 5000 Hz
QTS
0.30
xmax
6.0 mm
SPL1W
88 dB
Bl/√RE
3.4
Pmax
300 W