Hertz DSK170.3

2 Way Kit

6.7″ / 170 mm
Nominal diameter
79 Hz
Resonance
0.96
Q factor
90 dB
Sensitivity
± 2 mm
Linear excursion
160 W
Program Power
Hertz DSK170.3 2 Way Kit
Excursion
Velocity
SPL
Phase
Group delay
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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
89.5
dB
Frequency response
50 - 23000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
79.0
Hz
Mechanical quality factor
QMS
5.78
Electrical quality factor
QES
1.15
Total quality factor
QTS
0.96

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
28
cm³
Power handling
P
80
W
Program power
Pmax
160
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.6
Ω
Inductance (1kHz)
LE
0.26
mH
VC Diameter
25
mm

Magnet

Force factor
Bl
3.9
N/A
Motor constant
Bl/√RE
2.06
N/√W
Material
High density flux ferrite

Diaphragm

Effective diameter
133
mm
Effective area
SD
141
cm²
Moving mass
MMS
10
g
Moving mass (without air load)
MMD
8.8
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
0.86
N·s/m

Dimensions

Nominal diameter
6.7
″
170
mm
Volume occupied by the driver (estimated)
0.54
L
Impedance
Step response
Tone Burst
DatasheetDatasheet

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fS
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SD
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SD
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