12″ / 300 mm
Nominal diameter
45 Hz
Resonance
0.25
Q factor
96 dB
Sensitivity
± 6 mm
Linear excursion
800 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
96.0
dB
Frequency response
50 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
45.0
Hz
Mechanical quality factor
QMS
7.10
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
28.0
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
1.0
mH
VC Diameter
102
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
21.4
N/A
Motor constant
Bl/√RE
8.33
N/√W
Air gap height
HAG
9
mm
Diaphragm
Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
64
g
Moving mass (without air load)
MMD
55
g
Suspensions
Stiffness
KMS
4.83
N/mm
Compliance
CMS
207
µm/N
Equivalent volume to the compliance
VAS
88.5
L
Mechanical resistance
RMS
2.5
N·s/m
Dimensions
Nominal diameter
12
″
300
mm
Overall diameter
312
mm
Baffle cutout diameter
283
mm
Overall depth
153
mm
Volume occupied by the driver (estimated)
2.9
L
Net weight
6.5
kg
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Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar speaker drivers to Beyma 12CXA400Nd
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12″Subwoofer
fS
45 Hz
SD
533 cm²
45 - 3150 Hz
QTS
0.24
xmax
7.5 mm
SPL1W
96 dB
Bl/√RE
8.37
Pmax
1000 W
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12″Subwoofer
fS
45 Hz
SD
529 cm²
45 - 4000 Hz
QTS
0.25
xmax
7.5 mm
SPL1W
96 dB
Bl/√RE
7.75
Pmax
1000 W
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13.5″Woofer
fS
43 Hz
SD
707 cm²
45 - 2000 Hz
QTS
0.23
xmax
8.8 mm
SPL1W
97 dB
Bl/√RE
10
Pmax
1600 W