4″ / 106 mm
Nominal diameter
95 Hz
Resonance
0.52
Q factor
90 dB
Sensitivity
± 1 mm
Linear excursion
120 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.5
dB
Frequency response
95 - 10000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
95.0
Hz
Mechanical quality factor
QMS
5.70
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.52
Large signal parameters
Maximum linear excursion
xmax
1.0
mm
Air volume displaced at xmax
VD
5.5
cm³
Power handling
P
40
W
Program power
Pmax
120
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
7.2
Ω
Inductance (1kHz)
LE
0.2
mH
VC Diameter
26
mm
Magnet
Force factor
Bl
4.75
N/A
Motor constant
Bl/√RE
1.77
N/√W
Diameter
80
mm
Weight
0.29
kg
Diaphragm
Effective diameter
84
mm
Effective area
SD
55
cm²
Moving mass
MMS
3
g
Moving mass (without air load)
MMD
2.7
g
Suspensions
Stiffness
KMS
1.06
N/mm
Compliance
CMS
940
µm/N
Equivalent volume to the compliance
VAS
3
L
Mechanical resistance
RMS
0.31
N·s/m
Dimensions
Nominal diameter
4
″
106 x 106
mm
Overall size
106 x 106
mm
Baffle cutout diameter
95
mm
Overall depth
76
mm
Flange thickness
3
mm
Mounting depth
73
mm
Volume occupied by the driver (estimated)
0.28
L
Net weight
1.005
kg
Similar speaker drivers to MONACOR SPH-102KEP
5″Woofer
fS
106 Hz
SD
88 cm²
100 - 5000 Hz
QTS
0.60
xmax
3.1 mm
SPL1W
90 dB
Bl/√RE
2.7
Pmax
120 W
5″Woofer
fS
89 Hz
SD
90 cm²
80 - 3500 Hz
QTS
0.59
xmax
5.5 mm
SPL1W
88 dB
Bl/√RE
2.59
Pmax
60 W
5″Woofer
fS
90 Hz
SD
90 cm²
80 - 3500 Hz
QTS
0.61
xmax
4.5 mm
SPL1W
88 dB
Bl/√RE
2.59
Pmax
50 W