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
91.4
dB
Frequency response
65 - 20000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
65.0
Hz
Mechanical quality factor
QMS
3.95
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
13.0
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
0.2
mH
VC Diameter
51
mm
Winding height
HVC
14
mm
Magnet
Force factor
Bl
10.52
N/A
Motor constant
Bl/√RE
4.7
N/√W
Diaphragm
Effective diameter
131
mm
Effective area
SD
135
cm²
Moving mass
MMS
16
g
Moving mass (without air load)
MMD
14.8
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
1.67
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Volume occupied by the driver (estimated)
0.81
L
Net weight
1.98
kg
Similar speaker drivers to Beyma 6CX200Nd/N
7″Mid-range
fS
72 Hz
SD
133 cm²
QTS
0.26
xmax
5.3 mm
SPL1W
92 dB
Bl/√RE
4.67
Pmax
240 W
6.5″Woofer
fS
58 Hz
SD
135 cm²
55 - 9000 Hz
QTS
0.26
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.74
Pmax
400 W
6.5″Woofer
fS
62 Hz
SD
127 cm²
60 - 3000 Hz
QTS
0.28
xmax
5.5 mm
SPL1W
91 dB
Bl/√RE
4.56
Pmax
300 W