Eighteen Sound 12ND830

4Ω
8Ω

Subwoofer

12″ / 300 mm
Nominal diameter
58 Hz
Resonance
0.24
Q factor
98 dB
Sensitivity
± 6.5 mm
Linear excursion
700 W
Program Power
Eighteen Sound 12ND830 SubwooferEighteen Sound 12ND830 SubwooferEighteen Sound 12ND830 Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.6
dB
Frequency response
53 - 5000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
58.0
Hz
Mechanical quality factor
QMS
6.48
Electrical quality factor
QES
0.25
Total quality factor
QTS
0.24

Large signal parameters

Maximum linear excursion
xmax
6.5
mm
Air volume displaced at xmax
VD
345
cm³
Power handling
P
450
W
Program power
Pmax
700
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
2.8
Ω
Inductance (1kHz)
LE
0.96
mH
VC Diameter
75
mm

Magnet

Force factor
Bl
13.7
N/A
Motor constant
Bl/√RE
8.19
N/√W

Diaphragm

Effective diameter
260
mm
Effective area
SD
531
cm²
Moving mass
MMS
47
g
Moving mass (without air load)
MMD
38.2
g

Suspensions

Stiffness
KMS
6.25
N/mm
Compliance
CMS
160
µm/N
Equivalent volume to the compliance
VAS
63
L
Mechanical resistance
RMS
2.64
N·s/m

Dimensions

Nominal diameter
12
″
300
mm
Overall diameter
315
mm
Baffle cutout diameter
282
mm
Overall depth
140
mm
Flange thickness
9
mm
Mounting depth
131
mm
Volume occupied by the driver (estimated)
2.1
L
Net weight
4.3
kg
Impedance
SPL
Eighteen Sound 12ND830 Impedance
Eighteen Sound 12ND830 SPL
Eighteen Sound 12ND830 Dimensions
DatasheetDatasheet

Export this driver to a simulation software:

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Similar subwoofers to Eighteen Sound 12ND830

RCF CX12N251 Coaxial
RCF  CX12N2518 Ω
12″Coaxial
fS
60 Hz
SD
500 cm²
50 - 20000 Hz
QTS
0.26
xmax
5.0 mm
SPL1W
98 dB
Bl/√RE
7.67
Pmax
600 W
RCF MB12N301 Woofer
RCF  MB12N3018 Ω
12″Woofer
fS
54 Hz
SD
500 cm²
50 - 3000 Hz
QTS
0.24
xmax
6.0 mm
SPL1W
97 dB
Bl/√RE
7.89
Pmax
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Eighteen Sound 12ND830 8Ω Subwoofer
Eighteen Sound  12ND830 8Ω8 Ω
12″Subwoofer
fS
55 Hz
SD
531 cm²
53 - 5000 Hz
QTS
0.28
xmax
6.5 mm
SPL1W
97 dB
Bl/√RE
7.37
Pmax
700 W

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