Beyma 18LEX1000Nd

Nd
Fe

Subwoofer

18″ / 460 mm
Nominal diameter
34 Hz
Resonance
0.39
Q factor
95 dB
Sensitivity
± 11 mm
Linear excursion
2000 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
95.0
dB
Frequency response
35 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
34.0
Hz
Mechanical quality factor
QMS
5.60
Electrical quality factor
QES
0.42
Total quality factor
QTS
0.39

Large signal parameters

Maximum linear excursion
xmax
11.0
mm
Maximum excursion before damage
xlim
60.0
mm
Air volume displaced at xmax
VD
1381
cm³
Power handling
P
1000
W
Program power
Pmax
2000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.1
Ω
Inductance (1kHz)
LE
1.6
mH
VC Diameter
89
mm
Winding height
HVC
27
mm

Magnet

Force factor
Bl
22.0
N/A
Motor constant
Bl/√RE
9.74
N/√W
Air gap height
HAG
12
mm

Diaphragm

Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
185
g
Moving mass (without air load)
MMD
154.5
g

Suspensions

Stiffness
KMS
8.55
N/mm
Compliance
CMS
117
µm/N
Equivalent volume to the compliance
VAS
260
L
Mechanical resistance
RMS
7.1
N·s/m

Dimensions

Nominal diameter
18
460
mm
Overall diameter
462
mm
Baffle cutout diameter
426
mm
Overall depth
233
mm
Volume occupied by the driver (estimated)
5.3
L
Net weight
7.3
kg
Beyma 18LEX1000Nd SPL & Impedance
Beyma 18LEX1000Nd Dimensions

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Similar subwoofers to Beyma 18LEX1000Nd

Beyma 18LEX1000Fe Subwoofer
18Subwoofer
fS
34 Hz
SD
1255 cm²
35 - 1000 Hz
QTS
0.37
xmax
11.0 mm
SPL1W
95 dB
Bl/√RE
10
Pmax
2000 W