Beyma 6CX200Nd/N

Nd/N
Fe

Coaxial

6.5″ / 165 mm
Nominal diameter
65 Hz
Resonance
0.27
Q factor
91 dB
Sensitivity
± 5.5 mm
Linear excursion
400 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
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Specifications

Sensitivity (1W, 1m, infinite baffle)
SPL1W
91.3
dB
Frequency response
65 - 20000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
3.90
Electrical quality factor
QES
0.29
Total quality factor
QTS
0.27

Large signal parameters

Maximum linear excursion
xmax
5.5
mm
Maximum excursion before damage
xlim
26.0
mm
Air volume displaced at xmax
VD
74
cm³
Power handling
P
200
W
Program power
Pmax
400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
0.24
mH
VC Diameter
51
mm
Winding height
HVC
14
mm

Magnet

Force factor
Bl
10.5
N/A
Motor constant
Bl/√RE
4.7
N/√W
Air gap height
HAG
7
mm

Diaphragm

Effective diameter
131
mm
Effective area
SD
135
cm²
Moving mass
MMS
16
g
Moving mass (without air load)
MMD
14.7
g

Suspensions

Stiffness
KMS
2.73
N/mm
Compliance
CMS
366
µm/N
Equivalent volume to the compliance
VAS
9.4
L
Mechanical resistance
RMS
1.7
N·s/m

Dimensions

Nominal diameter
6.5
165
mm
Overall diameter
188
mm
Baffle cutout diameter
145
mm
Overall depth
104
mm
Volume occupied by the driver (estimated)
0.77
L
Net weight
2.0
kg
Beyma 6CX200Nd/N SPL
Beyma 6CX200Nd/N SPL & Impedance
Beyma 6CX200Nd/N Directivity
Beyma 6CX200Nd/N Dimensions

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SD
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