6.5″ / 165 mm
Nominal diameter
90 Hz
Resonance
0.34
Q factor
92 dB
Sensitivity
± 5.7 mm
Linear excursion
440 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
91.7
dB
Frequency response
95 - 8000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
90.0
Hz
Mechanical quality factor
QMS
1.40
Electrical quality factor
QES
0.45
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
5.7
mm
Maximum excursion before damage
xlim
15.0
mm
Air volume displaced at xmax
VD
80
cm³
Power handling
P
220
W
Program power
Pmax
440
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
38
mm
Winding height
HVC
14
mm
Magnet
Force factor
Bl
9.4
N/A
Motor constant
Bl/√RE
4.08
N/√W
Air gap height
HAG
6
mm
Diaphragm
Effective diameter
134
mm
Effective area
SD
140
cm²
Moving mass
MMS
13
g
Moving mass (without air load)
MMD
11.8
g
Suspensions
Stiffness
KMS
4.26
N/mm
Compliance
CMS
235
µm/N
Equivalent volume to the compliance
VAS
6.5
L
Mechanical resistance
RMS
5.5
N·s/m
Dimensions
Nominal diameter
6.5
″
165
mm
Overall depth
80
mm
Volume occupied by the driver (estimated)
0.56
L
Net weight
2.2
kg
Similar woofers to Beyma 6CMV2
6.5″Woofer
fS
91 Hz
SD
129 cm²
90 - 5000 Hz
QTS
0.34
xmax
3.8 mm
SPL1W
92 dB
Bl/√RE
4.61
Pmax
250 W
6.5″Coaxial
fS
89 Hz
SD
132 cm²
90 - 18000 Hz
QTS
0.38
xmax
5.0 mm
SPL1W
91 dB
Bl/√RE
4.78
Pmax
300 W
6″Woofer
fS
90 Hz
SD
130 cm²
80 - 8000 Hz
QTS
0.33
xmax
5.0 mm
SPL1W
93 dB
Bl/√RE
4.53
Pmax
240 W