8″ / 211 mm
Nominal diameter
22 Hz
Resonance
0.22
Q factor
87 dB
Sensitivity
± 3.75 mm
Linear excursion
200 W
Program Power
Driver
Port
Combined
Frequency response
Hz
Impedance
Ω
Impedance Phase
°
Excursion
mm
Velocity
m/s
SPL
dB
Acoustical Phase
°
Group Delay
ms
Transient response
ms
Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.5
dB
Frequency response
22 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
22.0
Hz
Mechanical quality factor
QMS
4.91
Electrical quality factor
QES
0.23
Total quality factor
QTS
0.22
Large signal parameters
Maximum linear excursion
xmax
3.75
mm
Air volume displaced at xmax
VD
80
cm³
Power handling
P
120
W
Program power
Pmax
200
W
Voice Coil
Nominal impedance
Z
2 x 8
Ω
DC resistance (in series)
RE
13.6
Ω
Inductance (1kHz, in series)
LE
4.0
mH
VC Diameter
50
mm
Magnet
Force factor (in series)
Bl
18.0
N/A
Motor constant
Bl/√RE
4.88
N/√W
Diameter
120
mm
Weight
0.84
kg
Diaphragm
Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
45
g
Moving mass (without air load)
MMD
42.7
g
Suspensions
Stiffness
KMS
0.86
N/mm
Compliance
CMS
1160
µm/N
Equivalent volume to the compliance
VAS
75
L
Mechanical resistance
RMS
1.27
N·s/m
Dimensions
Nominal diameter
8
″
211
mm
Overall diameter
211
mm
Baffle cutout diameter
181
mm
Overall depth
115
mm
Flange thickness
11
mm
Mounting depth
104
mm
Volume occupied by the driver (estimated)
1.1
L
Net weight
2.8
kg
Similar subwoofers to MONACOR SPH-200CTC
8″Subwoofer
fS
20 Hz
SD
230 cm²
20 - 2500 Hz
QTS
0.24
xmax
7.0 mm
SPL1W
87 dB
Bl/√RE
4.62
Pmax
250 W
8″Subwoofer
fS
28 Hz
SD
210 cm²
28 - 4000 Hz
QTS
0.24
xmax
3.8 mm
SPL1W
89 dB
Bl/√RE
4.83
Pmax
200 W
7″Mid Bass
fS
25 Hz
SD
145 cm²
QTS
0.20
xmax
6.5 mm
SPL1W
88 dB
Bl/√RE
3.52
Pmax
120 W