Hertz DCX 100.3
2 Way
4″ / 100 mm
Nominal diameter
115 Hz
Resonance
0.79
Q factor
86 dB
Sensitivity
± 1.5 mm
Linear excursion
60 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.3
dB
Frequency response
70 - 21000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
115
Hz
Mechanical quality factor
QMS
4.33
Electrical quality factor
QES
0.96
Total quality factor
QTS
0.79
Large signal parameters
Maximum linear excursion
xmax
1.5
mm
Air volume displaced at xmax
VD
8.4
cm³
Power handling
P
30
W
Program power
Pmax
60
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.3
Ω
Inductance (1kHz, estimated)
LE
0.12
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
3.5
N/A
Motor constant
Bl/√RE
1.93
N/√W
Material
High density flux ferrite
Diaphragm
Effective diameter
85
mm
Effective area
SD
56
cm²
Moving mass
MMS
5
g
Moving mass (without air load)
MMD
4.7
g
Material
Water-repellent pressed paper
Suspensions
Stiffness
KMS
2.63
N/mm
Compliance
CMS
380
µm/N
Equivalent volume to the compliance
VAS
1.7
L
Mechanical resistance
RMS
0.83
N·s/m
Dimensions
Nominal diameter
4
″
100
mm
Volume occupied by the driver (estimated)
0.14
L
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SpeakerbenchSimilar speaker drivers to Hertz DCX 100.3
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4″Coaxial
fS
113 Hz
SD
56 cm²
110 - 18000 Hz
QTS
0.83
xmax
4.0 mm
SPL1W
86 dB
Bl/√RE
2.17
Pmax
200 W
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4″Mid-range
fS
120 Hz
SD
58 cm²
105 - 10000 Hz
QTS
0.63
xmax
2.6 mm
SPL1W
88 dB
Bl/√RE
2.23
Pmax
110 W