8″ / 200 mm
Nominal diameter
37 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
88.2
dB
Frequency response
37 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
2.71
Electrical quality factor
QES
0.68
Total quality factor
QTS
0.55
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
63
cm³
Power handling
P
70
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.65
mH
VC Diameter
26
mm
Winding material
Aluminium
Magnet
Force factor
Bl
4.75
N/A
Motor constant
Bl/√RE
2.5
N/√W
Diameter
80
mm
Weight
0.38
kg
Diaphragm
Effective diameter
164
mm
Effective area
SD
210
cm²
Moving mass
MMS
18
g
Moving mass (without air load)
MMD
15.8
g
Suspensions
Stiffness
KMS
1.02
N/mm
Compliance
CMS
980
µm/N
Equivalent volume to the compliance
VAS
72
L
Mechanical resistance
RMS
1.54
N·s/m
Dimensions
Nominal diameter
8
″
200
mm
Overall diameter
200
mm
Baffle cutout diameter
183
mm
Overall depth
88
mm
Flange thickness
8
mm
Mounting depth
80
mm
Volume occupied by the driver (estimated)
0.48
L
Net weight
1.062
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to MONACOR SPM-205/4
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8″Full-range
fS
36 Hz
SD
213 cm²
36 - 18000 Hz
QTS
0.59
xmax
2.0 mm
SPL1W
88 dB
Bl/√RE
2.46
Pmax
100 W
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8″Mid Bass
fS
36 Hz
SD
214 cm²
35 - 3000 Hz
QTS
0.53
xmax
4.4 mm
SPL1W
88 dB
Bl/√RE
2.62
Pmax
150 W
.jpg.webp)
10″Woofer
fS
32 Hz
SD
353 cm²
30 - 3000 Hz
QTS
0.44
xmax
5.5 mm
SPL1W
89 dB
Bl/√RE
4.35
Pmax
200 W