6.5″ / 170 mm
Nominal diameter
79 Hz
Resonance
0.27
Q factor
94 dB
Sensitivity
± 4.5 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.2
dB
Frequency response
200 - 5000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
79.0
Hz
Mechanical quality factor
QMS
5.82
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.27
Large signal parameters
Maximum linear excursion
xmax
4.5
mm
Air volume displaced at xmax
VD
63
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
10.7
Ω
Inductance (1kHz)
LE
0.38
mH
VC Diameter
51
mm
Winding height
HVC
12.5
mm
Winding material
Aluminium
Former material
Glass fiber
Magnet
Flux density
B
1.37
T
Force factor
Bl
15.22
N/A
Motor constant
Bl/√RE
4.65
N/√W
Air gap height
HAG
7
mm
Diaphragm
Effective diameter
133
mm
Effective area
SD
139
cm²
Moving mass
MMS
12.2
g
Moving mass (without air load)
MMD
10.9
g
Material
Paper with carbon fibers
Suspensions
Stiffness
KMS
3.0
N/mm
Compliance
CMS
333
µm/N
Equivalent volume to the compliance
VAS
9.53
L
Mechanical resistance
RMS
1.04
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Overall diameter
185
mm
Baffle cutout diameter
145
mm
Overall depth
82
mm
Volume occupied by the driver (estimated)
0.56
L
Net weight
1.55
kg
Frame material
Die cast aluminium
Similar woofers to Oberton 6NMB200V
8″Low frequency
fS
74 Hz
SD
214 cm²
70 - 5000 Hz
QTS
0.24
xmax
3.8 mm
SPL1W
95 dB
Bl/√RE
7.02
Pmax
600 W
5″Coaxial
fS
75 Hz
SD
95 cm²
75 - 20000 Hz
QTS
0.27
xmax
5.7 mm
SPL1W
93 dB
Bl/√RE
3.2
Pmax
300 W
6″Mid-range
fS
76 Hz
SD
127 cm²
65 - 6000 Hz
QTS
0.27
xmax
3.0 mm
SPL1W
94 dB
Bl/√RE
4.26
Pmax
400 W