Beyma 15WRS400

Subwoofer

15″ / 380 mm
Nominal diameter
36 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 6.3 mm
Linear excursion
800 W
Program Power
Beyma 15WRS400 SubwooferBeyma 15WRS400 Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
96.0
dB
Frequency response
40 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
36.0
Hz
Mechanical quality factor
QMS
9.10
Electrical quality factor
QES
0.35
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
6.3
mm
Maximum excursion before damage
xlim
30.0
mm
Air volume displaced at xmax
VD
554
cm³
Power handling
P
400
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
76
mm
Winding height
HVC
16
mm

Magnet

Force factor
Bl
18.2
N/A
Motor constant
Bl/√RE
7.69
N/√W
Air gap height
HAG
8
mm

Diaphragm

Effective diameter
335
mm
Effective area
SD
880
cm²
Moving mass
MMS
91
g
Moving mass (without air load)
MMD
73.2
g

Suspensions

Stiffness
KMS
4.65
N/mm
Compliance
CMS
215
µm/N
Equivalent volume to the compliance
VAS
236
L
Mechanical resistance
RMS
2.3
N·s/m

Dimensions

Nominal diameter
15
″
380
mm
Overall diameter
385
mm
Baffle cutout diameter
353
mm
Overall depth
165
mm
Volume occupied by the driver (estimated)
3.4
L
Net weight
6.2
kg
SPL & Impedance
Beyma 15WRS400 SPL & Impedance
Beyma 15WRS400 Dimensions
DatasheetDatasheet

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