Beyma 18LEX1200Fe

Fe
Nd

Subwoofer

18″ / 460 mm
Nominal diameter
32 Hz
Resonance
0.38
Q factor
95 dB
Sensitivity
± 11 mm
Linear excursion
2400 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
94.8
dB
Frequency response
40 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
12.20
Electrical quality factor
QES
0.39
Total quality factor
QTS
0.38

Large signal parameters

Maximum linear excursion
xmax
11.0
mm
Maximum excursion before damage
xlim
48.0
mm
Air volume displaced at xmax
VD
1381
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
1.21
mH
VC Diameter
102
mm
Winding height
HVC
27
mm

Magnet

Force factor
Bl
23.2
N/A
Motor constant
Bl/√RE
10.1
N/√W
Air gap height
HAG
12
mm

Diaphragm

Effective diameter
400
mm
Effective area
SD
1255
cm²
Moving mass
MMS
200
g
Moving mass (without air load)
MMD
169.5
g

Suspensions

Stiffness
KMS
8.07
N/mm
Compliance
CMS
124
µm/N
Equivalent volume to the compliance
VAS
277
L
Mechanical resistance
RMS
3.2
N·s/m

Dimensions

Nominal diameter
18
460
mm
Overall diameter
462
mm
Baffle cutout diameter
415
mm
Overall depth
225
mm
Volume occupied by the driver (estimated)
7.9
L
Net weight
14.0
kg
Beyma 18LEX1200Fe SPL & Impedance
Beyma 18LEX1200Fe Dimensions

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Similar subwoofers to Beyma 18LEX1200Fe

mivoc AWX184 MKII Woofer
18Woofer
fS
32 Hz
SD
1232 cm²
28 - 500 Hz
QTS
0.36
xmax
5.5 mm
SPL1W
95 dB
Bl/√RE
9.89
Pmax
1200 W