Hertz DCX 170.3
2 Way
6.7″ / 170 mm
Nominal diameter
85 Hz
Resonance
0.95
Q factor
90 dB
Sensitivity
± 2 mm
Linear excursion
100 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.9
dB
Frequency response
60 - 21000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
85.0
Hz
Mechanical quality factor
QMS
4.39
Electrical quality factor
QES
1.21
Total quality factor
QTS
0.95
Large signal parameters
Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
50
W
Program power
Pmax
100
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz, estimated)
LE
0.18
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
3.7
N/A
Motor constant
Bl/√RE
1.95
N/√W
Material
High density flux ferrite
Diaphragm
Effective diameter
133
mm
Effective area
SD
141
cm²
Moving mass
MMS
8.8
g
Moving mass (without air load)
MMD
7.6
g
Material
Water-repellent pressed paper
Suspensions
Stiffness
KMS
2.5
N/mm
Compliance
CMS
400
µm/N
Equivalent volume to the compliance
VAS
11.3
L
Mechanical resistance
RMS
1.07
N·s/m
Dimensions
Nominal diameter
6.7
″
170
mm
Volume occupied by the driver (estimated)
0.54
L
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fS
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SD
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QTS
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SPL1W
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Bl/√RE
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SD
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SD
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QTS
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xmax
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SPL1W
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