Beyma 12P80Nd V2

Fe V2
Nd V2

Subwoofer

12″ / 300 mm
Nominal diameter
47 Hz
Resonance
0.19
Q factor
97 dB
Sensitivity
± 7.5 mm
Linear excursion
1400 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
96.8
dB
Frequency response
50 - 4000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
47.0
Hz
Mechanical quality factor
QMS
5.20
Electrical quality factor
QES
0.20
Total quality factor
QTS
0.19

Large signal parameters

Maximum linear excursion
xmax
7.5
mm
Maximum excursion before damage
xlim
52.0
mm
Air volume displaced at xmax
VD
413
cm³
Power handling
P
700
W
Program power
Pmax
1400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
102
mm
Winding height
HVC
20
mm

Magnet

Force factor
Bl
23.7
N/A
Motor constant
Bl/√RE
10.6
N/√W
Air gap height
HAG
12
mm

Diaphragm

Effective diameter
265
mm
Effective area
SD
550
cm²
Moving mass
MMS
74
g
Moving mass (without air load)
MMD
65
g

Suspensions

Stiffness
KMS
6.58
N/mm
Compliance
CMS
152
µm/N
Equivalent volume to the compliance
VAS
65
L
Mechanical resistance
RMS
4.2
N·s/m

Dimensions

Nominal diameter
12
300
mm
Overall diameter
312
mm
Baffle cutout diameter
283
mm
Overall depth
132
mm
Volume occupied by the driver (estimated)
2.4
L
Net weight
5.6
kg
Beyma 12P80Nd V2 SPL & Impedance
Beyma 12P80Nd V2 Dimensions

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