Hertz DCX 690.3

2 Way

6x9″/ 152x229 mm
Nominal size
66 Hz
Resonance
1.12
Q factor
90 dB
Sensitivity
± 2 mm
Linear excursion
180 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
89.9
dB
Frequency response
45 - 21000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
66.0
Hz
Mechanical quality factor
QMS
4.06
Electrical quality factor
QES
1.55
Total quality factor
QTS
1.12

Large signal parameters

Maximum linear excursion
xmax
2.0
mm
Air volume displaced at xmax
VD
46
cm³
Power handling
P
90
W
Program power
Pmax
180
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.4
Ω
Inductance (1kHz, estimated)
LE
0.26
mH
VC Diameter
25
mm

Magnet

Force factor
Bl
3.9
N/A
Motor constant
Bl/√RE
2.12
N/√W
Material
High density flux ferrite

Diaphragm

Effective diameter
170
mm
Effective area
SD
228
cm²
Moving mass
MMS
16.5
g
Moving mass (without air load)
MMD
14.9
g
Material
Water-repellent pressed paper

Suspensions

Stiffness
KMS
2.86
N/mm
Compliance
CMS
350
µm/N
Equivalent volume to the compliance
VAS
25.7
L
Mechanical resistance
RMS
1.69
N·s/m

Dimensions

Nominal size
6 x 9
152 x 229
mm
Volume occupied by the driver (estimated)
0.4
L

Export this driver to a simulation software:

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