Beyma 8CX300Nd/N

Nd/N
Fe

Coaxial

8″ / 200 mm
Nominal diameter
61 Hz
Resonance
0.29
Q factor
95 dB
Sensitivity
± 6 mm
Linear excursion
500 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
94.5
dB
Frequency response
60 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
61.0
Hz
Mechanical quality factor
QMS
13.00
Electrical quality factor
QES
0.30
Total quality factor
QTS
0.29

Large signal parameters

Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
24.0
mm
Air volume displaced at xmax
VD
132
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.4
Ω
Inductance (1kHz)
LE
0.3
mH
VC Diameter
64
mm
Winding height
HVC
15
mm

Magnet

Force factor
Bl
12.0
N/A
Motor constant
Bl/√RE
5.16
N/√W
Air gap height
HAG
7
mm

Diaphragm

Effective diameter
167
mm
Effective area
SD
220
cm²
Moving mass
MMS
20
g
Moving mass (without air load)
MMD
17.6
g

Suspensions

Stiffness
KMS
2.99
N/mm
Compliance
CMS
335
µm/N
Equivalent volume to the compliance
VAS
23
L
Mechanical resistance
RMS
0.6
N·s/m

Dimensions

Nominal diameter
8
200
mm
Overall diameter
212
mm
Baffle cutout diameter
180
mm
Overall depth
106
mm
Volume occupied by the driver (estimated)
1.0
L
Net weight
2.8
kg
Beyma 8CX300Nd/N SPL
Beyma 8CX300Nd/N SPL & Impedance
Beyma 8CX300Nd/N Directivity
Beyma 8CX300Nd/N Dimensions

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