MONACOR SPH-170C
Mid-range
6.5″ / 180 mm
Nominal diameter
38 Hz
Resonance
0.26
Q factor
89 dB
Sensitivity
± 4 mm
Linear excursion
120 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.7
dB
Frequency response
38 - 3500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
7.22
Electrical quality factor
QES
0.27
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Air volume displaced at xmax
VD
51
cm³
Power handling
P
60
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
37
mm
Winding material
Kapton
Magnet
Force factor
Bl
9.44
N/A
Motor constant
Bl/√RE
3.85
N/√W
Diameter
100
mm
Weight
0.6
kg
Diaphragm
Effective diameter
127
mm
Effective area
SD
127
cm²
Moving mass
MMS
16.4
g
Moving mass (without air load)
MMD
15.3
g
Suspensions
Stiffness
KMS
0.94
N/mm
Compliance
CMS
1060
µm/N
Equivalent volume to the compliance
VAS
24
L
Mechanical resistance
RMS
0.54
N·s/m
Dimensions
Nominal diameter
6.5
″
180
mm
Overall diameter
180
mm
Baffle cutout diameter
145
mm
Overall depth
90
mm
Flange thickness
5
mm
Mounting depth
85
mm
Volume occupied by the driver (estimated)
0.68
L
Net weight
2.0
kg
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SpeakerbenchSimilar woofers to MONACOR SPH-170C
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6.5″Mid-range
fS
33 Hz
SD
137 cm²
33 - 5000 Hz
QTS
0.21
xmax
3.5 mm
SPL1W
89 dB
Bl/√RE
3.8
Pmax
100 W
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8″Woofer
fS
34 Hz
SD
126 cm²
40 - 2500 Hz
QTS
0.26
xmax
5.0 mm
SPL1W
88 dB
Bl/√RE
3.4
Pmax
250 W
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