Beyma 15MC500

Subwoofer

15″ / 380 mm
Nominal diameter
46 Hz
Resonance
0.44
Q factor
96 dB
Sensitivity
± 8 mm
Linear excursion
1000 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
95.5
dB
Frequency response
50 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
46.0
Hz
Mechanical quality factor
QMS
7.80
Electrical quality factor
QES
0.47
Total quality factor
QTS
0.44

Large signal parameters

Maximum linear excursion
xmax
8.0
mm
Maximum excursion before damage
xlim
40.0
mm
Air volume displaced at xmax
VD
704
cm³
Power handling
P
500
W
Program power
Pmax
1000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.1
mH
VC Diameter
64
mm
Winding height
HVC
19.5
mm

Magnet

Force factor
Bl
18.3
N/A
Motor constant
Bl/√RE
7.73
N/√W
Air gap height
HAG
9.5
mm

Diaphragm

Effective diameter
335
mm
Effective area
SD
880
cm²
Moving mass
MMS
98
g
Moving mass (without air load)
MMD
80
g

Suspensions

Stiffness
KMS
8.2
N/mm
Compliance
CMS
122
µm/N
Equivalent volume to the compliance
VAS
134
L
Mechanical resistance
RMS
3.6
N·s/m

Dimensions

Nominal diameter
15
380
mm
Overall diameter
388
mm
Baffle cutout diameter
350
mm
Overall depth
172
mm
Volume occupied by the driver (estimated)
3.5
L
Net weight
6.2
kg
Beyma 15MC500 SPL & Impedance
Beyma 15MC500 Dimensions

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