MONACOR SPM-165/8
Mid-range
6.5″ / 159 mm
Nominal diameter
49 Hz
Resonance
0.55
Q factor
88 dB
Sensitivity
± 3 mm
Linear excursion
150 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.3
dB
Frequency response
49 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
49.0
Hz
Mechanical quality factor
QMS
2.70
Electrical quality factor
QES
0.67
Total quality factor
QTS
0.55
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
42
cm³
Power handling
P
60
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
0.6
mH
VC Diameter
26
mm
Winding material
Aluminium
Magnet
Force factor
Bl
5.8
N/A
Motor constant
Bl/√RE
2.16
N/√W
Diameter
80
mm
Weight
0.38
kg
Diaphragm
Effective diameter
134
mm
Effective area
SD
140
cm²
Moving mass
MMS
10.3
g
Moving mass (without air load)
MMD
9.1
g
Suspensions
Stiffness
KMS
1.0
N/mm
Compliance
CMS
1000
µm/N
Equivalent volume to the compliance
VAS
33
L
Mechanical resistance
RMS
1.17
N·s/m
Dimensions
Nominal diameter
6.5
″
159
mm
Overall diameter
159
mm
Baffle cutout diameter
145
mm
Overall depth
78
mm
Flange thickness
5
mm
Mounting depth
73
mm
Volume occupied by the driver (estimated)
0.36
L
Net weight
0.97
kg
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SpeakerbenchSimilar woofers to MONACOR SPM-165/8
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Goldwood GW-408D2 x 8 Ω
8″Woofer
fS
51 Hz
SD
206 cm²
44 - 5000 Hz
QTS
0.64
xmax
2.5 mm
SPL1W
88 dB
Bl/√RE
3.45
Pmax
220 W
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