Beyma 15G40

Woofer

15″ / 380 mm
Nominal diameter
38 Hz
Resonance
0.32
Q factor
95 dB
Sensitivity
± 9.5 mm
Linear excursion
1400 W
Program Power
Discontinued
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
94.8
dB
Frequency response
40 - 1500
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
8.00
Electrical quality factor
QES
0.33
Total quality factor
QTS
0.32

Large signal parameters

Maximum linear excursion
xmax
9.5
mm
Maximum excursion before damage
xlim
16.5
mm
Air volume displaced at xmax
VD
789
cm³
Power handling
P
700
W
Program power
Pmax
1400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.9
Ω
Inductance (1kHz)
LE
2.7
mH
VC Diameter
100
mm
Winding height
HVC
23.5
mm

Magnet

Force factor
Bl
23.3
N/A
Motor constant
Bl/√RE
9.59
N/√W
Air gap height
HAG
10
mm
Material
Ferrite

Diaphragm

Effective diameter
325
mm
Effective area
SD
830
cm²
Moving mass
MMS
126
g
Moving mass (without air load)
MMD
109.4
g

Suspensions

Stiffness
KMS
7.52
N/mm
Compliance
CMS
133
µm/N
Equivalent volume to the compliance
VAS
128
L
Mechanical resistance
RMS
3.8
N·s/m

Dimensions

Nominal diameter
15
380
mm
Volume occupied by the driver (estimated)
4.7
L
Net weight
10.4
kg
Beyma 15G40 Impedance
Beyma 15G40 SPL & Distortion
Beyma 15G40 Dimensions

Export this driver to a simulation software:

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