MONACOR SP-250PA

Mid-range

10″ / 255 mm
Nominal diameter
48 Hz
Resonance
0.78
Q factor
90 dB
Sensitivity
± 4.25 mm
Linear excursion
250 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
90.4
dB
Frequency response
48 - 4500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
48.0
Hz
Mechanical quality factor
QMS
3.80
Electrical quality factor
QES
0.98
Total quality factor
QTS
0.78

Large signal parameters

Maximum linear excursion
xmax
4.25
mm
Air volume displaced at xmax
VD
147
cm³
Power handling
P
125
W
Program power
Pmax
250
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.9
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
39
mm
Winding material
Aluminium

Magnet

Force factor
Bl
7.6
N/A
Motor constant
Bl/√RE
2.89
N/√W
Diameter
110
mm
Weight
0.71
kg

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
27
g
Moving mass (without air load)
MMD
22.4
g

Suspensions

Stiffness
KMS
2.44
N/mm
Compliance
CMS
410
µm/N
Equivalent volume to the compliance
VAS
72
L
Mechanical resistance
RMS
2.14
N·s/m

Dimensions

Nominal diameter
10
255
mm
Overall diameter
255
mm
Baffle cutout diameter
232
mm
Overall depth
110
mm
Flange thickness
0
mm
Mounting depth
110
mm
Volume occupied by the driver (estimated)
0.96
L
Net weight
1.97
kg
MONACOR SP-250PA SPL & Impedance
MONACOR SP-250PA Dimensions

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