MONACOR SPM-200X/4
Full-range
8″ / 205 mm
Nominal diameter
89 Hz
Resonance
0.97
Q factor
92 dB
Sensitivity
± 1 mm
Linear excursion
60 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.1
dB
Frequency response
89 - 15000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
89.0
Hz
Mechanical quality factor
QMS
2.69
Electrical quality factor
QES
1.52
Total quality factor
QTS
0.97
Large signal parameters
Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
20
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.7
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
25
mm
Winding material
Aluminium
Magnet
Force factor
Bl
3.9
N/A
Motor constant
Bl/√RE
2.03
N/√W
Diameter
70
mm
Weight
0.229
kg
Diaphragm
Effective diameter
160
mm
Effective area
SD
201
cm²
Moving mass
MMS
9.9
g
Moving mass (without air load)
MMD
7.8
g
Suspensions
Stiffness
KMS
3.7
N/mm
Compliance
CMS
270
µm/N
Equivalent volume to the compliance
VAS
14.9
L
Mechanical resistance
RMS
2.06
N·s/m
Dimensions
Nominal diameter
8
″
205
mm
Overall diameter
205
mm
Baffle cutout diameter
184
mm
Overall depth
82
mm
Flange thickness
6
mm
Mounting depth
76
mm
Volume occupied by the driver (estimated)
0.37
L
Net weight
0.734
kg
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SpeakerbenchSimilar speaker drivers to MONACOR SPM-200X/4
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8″Mid-range
fS
95 Hz
SD
241 cm²
95 - 9000 Hz
QTS
0.77
xmax
3.0 mm
SPL1W
94 dB
Bl/√RE
3.4
Pmax
500 W
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6.7″2 Way
fS
85 Hz
SD
141 cm²
60 - 21000 Hz
QTS
0.95
xmax
2.0 mm
SPL1W
90 dB
Bl/√RE
1.95
Pmax
100 W