Beyma 15XA38Nd
Coaxial
15″ / 380 mm
Nominal diameter
38 Hz
Resonance
0.3
Q factor
98 dB
Sensitivity
± 6 mm
Linear excursion
700 W
Program Power
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.8
dB
Frequency response
40 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
6.40
Electrical quality factor
QES
0.31
Total quality factor
QTS
0.30
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
28.0
mm
Air volume displaced at xmax
VD
528
cm³
Power handling
P
350
W
Program power
Pmax
700
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
6.7
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
102
mm
Winding height
HVC
16
mm
Magnet
Force factor
Bl
20.4
N/A
Motor constant
Bl/√RE
7.88
N/√W
Air gap height
HAG
9
mm
Diaphragm
Effective diameter
335
mm
Effective area
SD
880
cm²
Moving mass
MMS
82
g
Moving mass (without air load)
MMD
64
g
Suspensions
Stiffness
KMS
4.61
N/mm
Compliance
CMS
217
µm/N
Equivalent volume to the compliance
VAS
238
L
Mechanical resistance
RMS
3.0
N·s/m
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
388
mm
Baffle cutout diameter
352
mm
Overall depth
182
mm
Volume occupied by the driver (estimated)
3.9
L
Net weight
6.8
kg
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SpeakerbenchSimilar speaker drivers to Beyma 15XA38Nd
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15″Coaxial
fS
38 Hz
SD
855 cm²
40 - 18000 Hz
QTS
0.28
xmax
4.5 mm
SPL1W
97 dB
Bl/√RE
7.88
Pmax
800 W
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15″Coaxial
fS
38 Hz
SD
855 cm²
40 - 18000 Hz
QTS
0.28
xmax
4.5 mm
SPL1W
97 dB
Bl/√RE
7.88
Pmax
800 W
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15″Woofer
fS
36 Hz
SD
881 cm²
36 - 3000 Hz
QTS
0.31
xmax
5.0 mm
SPL1W
97 dB
Bl/√RE
7.81
Pmax
800 W