Hertz SX 300D

Subwoofer

12″ / 300 mm
Nominal diameter
46 Hz
Resonance
0.48
Q factor
88 dB
Sensitivity
± 14 mm
Linear excursion
3200 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

Available on (affiliate link)

Amazon.com
$$$

Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
87.9
dB
Frequency response
28 - 700
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
8.20
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.48

Large signal parameters

Maximum linear excursion
xmax
14.0
mm
Maximum excursion before damage
xlim
23.0
mm
Air volume displaced at xmax
VD
679
cm³
Power handling
P
800
W
Program power
Pmax
3200
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
4.0
Ω
Inductance (1kHz, in series, estimated)
LE
1.42
mH
VC Diameter
65
mm

Magnet

Force factor (in series)
Bl
21.6
N/A
Motor constant
Bl/√RE
10.8
N/√W
Material
Double magnet, High density flux ferrite

Diaphragm

Effective diameter
253
mm
Effective area
SD
485
cm²
Moving mass
MMS
202
g
Moving mass (without air load)
MMD
194.4
g
Material
Pressed paper

Suspensions

Stiffness
KMS
16.67
N/mm
Compliance
CMS
60
µm/N
Equivalent volume to the compliance
VAS
20
L
Mechanical resistance
RMS
7.12
N·s/m

Dimensions

Nominal diameter
12
300
mm
Volume occupied by the driver (estimated)
2.3
L
Hertz SX 300D Impedance


Similar subwoofers to Hertz SX 300D

DB Drive WDX12G2.2 Subwoofer
12Subwoofer
fS
44 Hz
SD
507 cm²
QTS
0.50
xmax
20.0 mm
SPL1W
87 dB
Bl/√RE
11
Pmax
2500 W
DB Drive WDX12G2.4 Subwoofer
12Subwoofer
fS
42 Hz
SD
529 cm²
QTS
0.48
xmax
20.0 mm
SPL1W
87 dB
Bl/√RE
11
Pmax
2500 W