MONACOR SPH-250CTC

Subwoofer

10″ / 258 mm
Nominal diameter
20 Hz
Resonance
0.25
Q factor
87 dB
Sensitivity
± 4.5 mm
Linear excursion
300 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
87.3
dB
Frequency response
20 - 3500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
20.0
Hz
Mechanical quality factor
QMS
5.12
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25

Large signal parameters

Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
154
cm³
Power handling
P
200
W
Program power
Pmax
300
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
Winding material
Kapton

Magnet

Force factor (in series)
Bl
19.2
N/A
Motor constant
Bl/√RE
5.21
N/√W
Diameter
145
mm
Weight
1.2
kg

Diaphragm

Effective diameter
209
mm
Effective area
SD
343
cm²
Moving mass
MMS
70
g
Moving mass (without air load)
MMD
65.4
g

Suspensions

Stiffness
KMS
1.02
N/mm
Compliance
CMS
980
µm/N
Equivalent volume to the compliance
VAS
220
L
Mechanical resistance
RMS
1.72
N·s/m

Dimensions

Nominal diameter
10
258
mm
Overall diameter
258
mm
Baffle cutout diameter
232
mm
Overall depth
123
mm
Flange thickness
0
mm
Mounting depth
123
mm
Volume occupied by the driver (estimated)
1.6
L
Net weight
3.8
kg
MONACOR SPH-250CTC SPL & Impedance
MONACOR SPH-250CTC Dimensions

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Similar subwoofers to MONACOR SPH-250CTC

Morel TiCW 1258Ft Subwoofer
12Subwoofer
fS
18 Hz
SD
415 cm²
QTS
0.27
xmax
10.5 mm
SPL1W
88 dB
Bl/√RE
6.55
Pmax
1200 W