Hertz SX 380D

Subwoofer

15″ / 380 mm
Nominal diameter
43 Hz
Resonance
0.67
Q factor
89 dB
Sensitivity
± 14 mm
Linear excursion
4000 W
Program Power
Discontinued
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
Apply

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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
89.4
dB
Frequency response
25 - 600
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
43.0
Hz
Mechanical quality factor
QMS
9.30
Electrical quality factor
QES
0.70
Total quality factor
QTS
0.67

Large signal parameters

Maximum linear excursion
xmax
14.0
mm
Maximum excursion before damage
xlim
23.0
mm
Air volume displaced at xmax
VD
1115
cm³
Power handling
P
1000
W
Program power
Pmax
4000
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
4.0
Ω
Inductance (1kHz, in series, estimated)
LE
1.71
mH
VC Diameter
65
mm

Magnet

Force factor (in series)
Bl
20.7
N/A
Motor constant
Bl/√RE
10.4
N/√W
Material
Double magnet, High density flux ferrite

Diaphragm

Effective diameter
320
mm
Effective area
SD
797
cm²
Moving mass
MMS
274
g
Moving mass (without air load)
MMD
258.1
g
Material
Pressed paper

Suspensions

Stiffness
KMS
20.0
N/mm
Compliance
CMS
50
µm/N
Equivalent volume to the compliance
VAS
45
L
Mechanical resistance
RMS
7.96
N·s/m

Dimensions

Nominal diameter
15
380
mm
Volume occupied by the driver (estimated)
4.3
L
Hertz SX 380D Impedance

Export this driver to a simulation software:

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