MONACOR SPH-170TC
Mid-range
6.5″ / 166 mm
Nominal diameter
33 Hz
Resonance
0.41
Q factor
86 dB
Sensitivity
± 2.25 mm
Linear excursion
120 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
85.7
dB
Frequency response
33 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
2.98
Electrical quality factor
QES
0.48
Total quality factor
QTS
0.41
Large signal parameters
Maximum linear excursion
xmax
2.25
mm
Air volume displaced at xmax
VD
29
cm³
Power handling
P
80
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
2 x 8
Ω
DC resistance (in series)
RE
15.2
Ω
Inductance (1kHz, in series)
LE
2.4
mH
VC Diameter
26
mm
Winding material
Kapton
Magnet
Force factor (in series)
Bl
10.4
N/A
Motor constant
Bl/√RE
2.67
N/√W
Diameter
100
mm
Weight
0.38
kg
Diaphragm
Effective diameter
127
mm
Effective area
SD
127
cm²
Moving mass
MMS
16
g
Moving mass (without air load)
MMD
14.9
g
Suspensions
Stiffness
KMS
0.73
N/mm
Compliance
CMS
1380
µm/N
Equivalent volume to the compliance
VAS
31
L
Mechanical resistance
RMS
1.11
N·s/m
Dimensions
Nominal diameter
6.5
″
166
mm
Overall diameter
166
mm
Baffle cutout diameter
142
mm
Overall depth
82
mm
Flange thickness
8
mm
Mounting depth
74
mm
Volume occupied by the driver (estimated)
0.43
L
Net weight
1.155
kg
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SpeakerbenchSimilar woofers to MONACOR SPH-170TC
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8″Woofer
fS
34 Hz
SD
126 cm²
40 - 2500 Hz
QTS
0.42
xmax
5.0 mm
SPL1W
86 dB
Bl/√RE
2.67
Pmax
250 W
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8″Woofer
fS
32 Hz
SD
146 cm²
20 - 3000 Hz
QTS
0.38
xmax
7.0 mm
SPL1W
85 dB
Bl/√RE
3.53
Pmax
330 W