Beyma 18P1200Nd/N

Subwoofer

18″ / 460 mm
Nominal diameter
37 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 9.5 mm
Linear excursion
2400 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.6
dB
Frequency response
25 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
10.39
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
9.5
mm
Maximum excursion before damage
xlim
26.0
mm
Air volume displaced at xmax
VD
1164
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
2.3
mH
VC Diameter
100
mm
Winding height
HVC
25
mm

Magnet

Force factor
Bl
26.3
N/A
Motor constant
Bl/√RE
11.4
N/√W
Air gap height
HAG
14
mm
Material
Neodymium

Diaphragm

Effective diameter
395
mm
Effective area
SD
1225
cm²
Moving mass
MMS
199
g
Moving mass (without air load)
MMD
169.4
g

Suspensions

Stiffness
KMS
10.75
N/mm
Compliance
CMS
93
µm/N
Equivalent volume to the compliance
VAS
198
L
Mechanical resistance
RMS
4.5
N·s/m

Dimensions

Nominal diameter
18
460
mm
Volume occupied by the driver (estimated)
3.8
L
Net weight
8.5
kg
Beyma 18P1200Nd/N Impedance
Beyma 18P1200Nd/N SPL & Distortion
Beyma 18P1200Nd/N Dimensions

Export this driver to a simulation software:

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