MONACOR SPM-116/8

Mid-range

4″ / 115 mm
Nominal diameter
75 Hz
Resonance
0.57
Q factor
87 dB
Sensitivity
± 1.5 mm
Linear excursion
80 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
86.5
dB
Frequency response
75 - 18000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
75.0
Hz
Mechanical quality factor
QMS
1.90
Electrical quality factor
QES
0.81
Total quality factor
QTS
0.57

Large signal parameters

Maximum linear excursion
xmax
1.5
mm
Air volume displaced at xmax
VD
8.6
cm³
Power handling
P
40
W
Program power
Pmax
80
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
0.4
mH
VC Diameter
21
mm
Winding material
Aluminium

Magnet

Force factor
Bl
4.2
N/A
Motor constant
Bl/√RE
1.57
N/√W
Diameter
70
mm
Weight
0.23
kg

Diaphragm

Effective diameter
85
mm
Effective area
SD
57
cm²
Moving mass
MMS
3.8
g
Moving mass (without air load)
MMD
3.5
g

Suspensions

Stiffness
KMS
1.02
N/mm
Compliance
CMS
980
µm/N
Equivalent volume to the compliance
VAS
4.5
L
Mechanical resistance
RMS
0.94
N·s/m

Dimensions

Nominal diameter
4
115
mm
Overall diameter
115
mm
Baffle cutout diameter
94
mm
Overall depth
60
mm
Flange thickness
7
mm
Mounting depth
53
mm
Volume occupied by the driver (estimated)
0.17
L
Net weight
0.557
kg
MONACOR SPM-116/8 SPL & Impedance
MONACOR SPM-116/8 Dimensions

Export this driver to a simulation software:

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fS
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SD
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fS
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SD
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