MONACOR SPP-250

Woofer

10″ / 255 mm
Nominal diameter
30 Hz
Resonance
0.9
Q factor
88 dB
Sensitivity
± 3.5 mm
Linear excursion
75 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
87.5
dB
Frequency response
30 - 3000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
3.29
Electrical quality factor
QES
1.25
Total quality factor
QTS
0.90

Large signal parameters

Maximum linear excursion
xmax
3.5
mm
Air volume displaced at xmax
VD
121
cm³
Power handling
P
37
W
Program power
Pmax
75
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.5
Ω
Inductance (1kHz)
LE
0.8
mH
VC Diameter
36
mm
Winding material
Aluminium

Magnet

Force factor
Bl
5.4
N/A
Motor constant
Bl/√RE
2.12
N/√W
Diameter
100
mm
Weight
0.37
kg

Diaphragm

Effective diameter
210
mm
Effective area
SD
346
cm²
Moving mass
MMS
30
g
Moving mass (without air load)
MMD
25.4
g

Suspensions

Stiffness
KMS
1.09
N/mm
Compliance
CMS
920
µm/N
Equivalent volume to the compliance
VAS
155
L
Mechanical resistance
RMS
1.72
N·s/m

Dimensions

Nominal diameter
10
255
mm
Overall diameter
255
mm
Baffle cutout diameter
235
mm
Overall depth
110
mm
Flange thickness
9
mm
Mounting depth
101
mm
Volume occupied by the driver (estimated)
0.8
L
Net weight
1.491
kg
MONACOR SPP-250 SPL & Impedance
MONACOR SPP-250 Dimensions

Export this driver to a simulation software:

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fS
33 Hz
SD
526 cm²
18 - 4500 Hz
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SD
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SD
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