MONACOR SPH-250KE

Woofer

10″ / 258 mm
Nominal diameter
23 Hz
Resonance
0.41
Q factor
88 dB
Sensitivity
± 4.75 mm
Linear excursion
150 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
88.3
dB
Frequency response
23 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
23.0
Hz
Mechanical quality factor
QMS
5.25
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.41

Large signal parameters

Maximum linear excursion
xmax
4.75
mm
Air volume displaced at xmax
VD
164
cm³
Power handling
P
100
W
Program power
Pmax
150
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.1
Ω
Inductance (1kHz)
LE
0.7
mH
VC Diameter
50
mm
Winding material
Kapton

Magnet

Force factor
Bl
9.4
N/A
Motor constant
Bl/√RE
3.81
N/√W
Diameter
120
mm
Weight
0.84
kg

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
45
g
Moving mass (without air load)
MMD
40.3
g

Suspensions

Stiffness
KMS
1.06
N/mm
Compliance
CMS
940
µm/N
Equivalent volume to the compliance
VAS
204
L
Mechanical resistance
RMS
1.24
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)
1.3
L
Net weight
2.92
kg
MONACOR SPH-250KE SPL & Impedance
MONACOR SPH-250KE Dimensions

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