Hertz DSK165.3
2 Way Kit
6.5″ / 165 mm
Nominal diameter
67 Hz
Resonance
0.81
Q factor
89 dB
Sensitivity
± 2 mm
Linear excursion
160 W
Program Power
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Specifications
Sensitivity (1w, 1m, infinite baffle)
SPL1W
88.6
dB
Frequency response
50 - 23000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
67.0
Hz
Mechanical quality factor
QMS
7.59
Electrical quality factor
QES
0.90
Total quality factor
QTS
0.81
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
3.3
Ω
Inductance (1kHz)
LE
0.26
mH
Magnet
Force factor
Bl
4.2
N/A
Motor constant
Bl/√RE
2.31
N/√W
Material
High density flux ferrite
Diaphragm
Effective diameter
135
mm
Effective area
SD
142
cm²
Moving mass
MMS
11.3
g
Moving mass (without air load)
MMD
10.1
g
Material
Water-repellent pressed paper
Suspensions
Stiffness
KMS
1.96
N/mm
Compliance
CMS
510
µm/N
Equivalent volume to the compliance
VAS
14.6
L
Mechanical resistance
RMS
0.63
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Volume occupied by the driver (estimated)
0.5
L
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SpeakerbenchSimilar speaker drivers to Hertz DSK165.3
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6.5″2 Way
fS
68 Hz
SD
143 cm²
60 - 21000 Hz
QTS
0.85
xmax
2.0 mm
SPL1W
89 dB
Bl/√RE
2.2
Pmax
120 W
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6.5″Mid-range
fS
65 Hz
SD
154 cm²
QTS
0.71
xmax
3.0 mm
SPL1W
89 dB
Bl/√RE
2.65
Pmax
250 W
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6.5″2 way
fS
65 Hz
SD
139 cm²
60 - 22000 Hz
QTS
0.78
xmax
2.5 mm
SPL1W
88 dB
Bl/√RE
2.37
Pmax
120 W