Beyma 21QLEX1600Fe

Subwoofer

21″ / 540 mm
Nominal diameter
30 Hz
Resonance
0.28
Q factor
96 dB
Sensitivity
± 13 mm
Linear excursion
3200 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
95.5
dB
Frequency response
30 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
4.50
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.28

Large signal parameters

Maximum linear excursion
xmax
13.0
mm
Maximum excursion before damage
xlim
60.0
mm
Air volume displaced at xmax
VD
2254
cm³
Power handling
P
1600
W
Program power
Pmax
3200
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
4.0
mH
VC Diameter
102
mm
Winding height
HVC
32
mm

Magnet

Force factor
Bl
36.4
N/A
Motor constant
Bl/√RE
15.7
N/√W
Air gap height
HAG
15
mm

Diaphragm

Effective diameter
470
mm
Effective area
SD
1734
cm²
Moving mass
MMS
388
g
Moving mass (without air load)
MMD
338.3
g

Suspensions

Stiffness
KMS
13.89
N/mm
Compliance
CMS
72
µm/N
Equivalent volume to the compliance
VAS
309
L
Mechanical resistance
RMS
16.2
N·s/m

Dimensions

Nominal diameter
21
540
mm
Overall diameter
545
mm
Baffle cutout diameter
492
mm
Overall depth
266
mm
Volume occupied by the driver (estimated)
11.0
L
Net weight
17.1
kg
Beyma 21QLEX1600Fe SPL & Impedance
Beyma 21QLEX1600Fe Dimensions

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Similar subwoofers to Beyma 21QLEX1600Fe

Beyma 21LEX1600Nd Subwoofer
21Subwoofer
fS
30 Hz
SD
1734 cm²
30 - 1000 Hz
QTS
0.29
xmax
14.0 mm
SPL1W
96 dB
Bl/√RE
16
Pmax
3200 W