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
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
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
Beyma 15XA38Nd Impedance
Beyma 15XA38Nd SPL
Beyma 15XA38Nd Dimensions

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