12″ / 300 mm
Nominal diameter
42 Hz
Resonance
0.25
Q factor
95 dB
Sensitivity
± 6 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.0
dB
Frequency response
40 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.0
Hz
Mechanical quality factor
QMS
7.20
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
51.0
mm
Air volume displaced at xmax
VD
330
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.6
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
102
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
19.8
N/A
Motor constant
Bl/√RE
7.71
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
66
g
Moving mass (without air load)
MMD
57
g
Suspensions
Stiffness
KMS
4.55
N/mm
Compliance
CMS
220
µm/N
Equivalent volume to the compliance
VAS
94
L
Mechanical resistance
RMS
2.4
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
312
mm
Baffle cutout diameter
283
mm
Overall depth
165
mm
Volume occupied by the driver (estimated)
4.4
L
Net weight
11.3
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Beyma 12CXA400Fe
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12″Subwoofer
fS
42 Hz
SD
530 cm²
45 - 5000 Hz
QTS
0.27
xmax
6.3 mm
SPL1W
95 dB
Bl/√RE
7.61
Pmax
800 W
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12″Woofer
fS
38 Hz
SD
495 cm²
40 - 5600 Hz
QTS
0.26
xmax
6.8 mm
SPL1W
95 dB
Bl/√RE
7.01
Pmax
800 W
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12″Subwoofer
fS
42 Hz
SD
530 cm²
45 - 5000 Hz
QTS
0.30
xmax
6.3 mm
SPL1W
95 dB
Bl/√RE
7.35
Pmax
800 W