MONACOR SPH-75/8

Mid-range

3″ / 78 mm
Nominal diameter
85 Hz
Resonance
0.56
Q factor
83 dB
Sensitivity
± 0.75 mm
Linear excursion
30 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
83.4
dB
Frequency response
85 - 16000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
85.0
Hz
Mechanical quality factor
QMS
3.90
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.56

Large signal parameters

Maximum linear excursion
xmax
0.75
mm
Air volume displaced at xmax
VD
2.4
cm³
Power handling
P
15
W
Program power
Pmax
30
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.2
Ω
Inductance (1kHz)
LE
0.15
mH
VC Diameter
21
mm
Winding material
Kapton

Magnet

Force factor
Bl
3.4
N/A
Motor constant
Bl/√RE
1.37
N/√W
Diameter
70
mm
Weight
0.15
kg

Diaphragm

Effective diameter
64
mm
Effective area
SD
32
cm²
Moving mass
MMS
2.7
g
Moving mass (without air load)
MMD
2.6
g

Suspensions

Stiffness
KMS
0.77
N/mm
Compliance
CMS
1300
µm/N
Equivalent volume to the compliance
VAS
1.9
L
Mechanical resistance
RMS
0.37
N·s/m

Dimensions

Nominal diameter
3
78 x 78
mm
Overall size
78 x 78
mm
Baffle cutout diameter
72
mm
Overall depth
42
mm
Flange thickness
1
mm
Mounting depth
41
mm
Volume occupied by the driver (estimated)
0.11
L
Net weight
0.4
kg
MONACOR SPH-75/8 SPL & Impedance
MONACOR SPH-75/8 Dimensions

Export this driver to a simulation software:

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fS
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SD
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SD
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