5″ / 130 mm
Nominal diameter
82 Hz
Resonance
0.62
Q factor
88 dB
Sensitivity
± 3 mm
Linear excursion
150 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
88.2
dB
Frequency response
70 - 23000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
82.0
Hz
Mechanical quality factor
QMS
3.80
Electrical quality factor
QES
0.75
Total quality factor
QTS
0.62
Large signal parameters
Maximum linear excursion
xmax
3.0
mm
Air volume displaced at xmax
VD
29
cm³
Power handling
P
50
W
Program power
Pmax
150
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.1
Ω
Inductance (1kHz, estimated)
LE
0.15
mH
VC Diameter
25
mm
Magnet
Force factor
Bl
4.0
N/A
Motor constant
Bl/√RE
2.27
N/√W
Material
High density flux ferrite
Diaphragm
Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
7.6
g
Moving mass (without air load)
MMD
7
g
Material
Water-repellent pressed paper
Suspensions
Stiffness
KMS
2.04
N/mm
Compliance
CMS
490
µm/N
Equivalent volume to the compliance
VAS
6.3
L
Mechanical resistance
RMS
1.03
N·s/m
Dimensions
Nominal diameter
5
″
130
mm
Volume occupied by the driver (estimated)
0.27
L
Similar speaker drivers to Hertz ECX 130.5
5″2 Way
fS
80 Hz
SD
95 cm²
65 - 22 Hz
QTS
0.56
xmax
3.1 mm
SPL1W
88 dB
Bl/√RE
2.35
Pmax
100 W
6.5″Woofer
fS
77 Hz
SD
133 cm²
80 - 7000 Hz
QTS
0.56
xmax
4.0 mm
SPL1W
89 dB
Bl/√RE
3.93
Pmax
300 W
5.25″Woofer
fS
83 Hz
SD
97 cm²
62 - 1200 Hz
QTS
0.68
xmax
1.5 mm
SPL1W
87 dB
Bl/√RE
2.34
Pmax
130 W