6.5″ / 170 mm
Nominal diameter
70 Hz
Resonance
0.5
Q factor
89 dB
Sensitivity
± 6 mm
Linear excursion
300 W
Program Power
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
89.0
dB
Frequency response
70 - 6000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
70.0
Hz
Mechanical quality factor
QMS
10.29
Electrical quality factor
QES
0.53
Total quality factor
QTS
0.50
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
79
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
16
Ω
DC resistance
RE
11.3
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
38
mm
Winding height
HVC
12
mm
Winding material
Copper
Former material
Kapton
Magnet
Flux density
B
1.15
T
Force factor
Bl
11.7
N/A
Motor constant
Bl/√RE
3.48
N/√W
Air gap height
HAG
6
mm
Material
Neodymium Ring
Diaphragm
Effective diameter
130
mm
Effective area
SD
132
cm²
Moving mass
MMS
15
g
Moving mass (without air load)
MMD
13.8
g
Material
Waterproof Front Side
Suspensions
Stiffness
KMS
2.83
N/mm
Compliance
CMS
354
µm/N
Equivalent volume to the compliance
VAS
8.9
L
Mechanical resistance
RMS
0.64
N·s/m
Dimensions
Nominal diameter
6.5
″
170
mm
Overall diameter
187
mm
Baffle cutout diameter
145
mm
Overall depth
85
mm
Flange thickness
11
mm
Mounting depth
74
mm
Volume occupied by the driver
0.63
L
Net weight
1.2
kg
.png)
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to B&C Speaker 6NDL38
.jpg.webp)
6.5″2 way kit
fS
67 Hz
SD
129 cm²
60 - 22000 Hz
QTS
0.55
xmax
4.8 mm
SPL1W
89 dB
Bl/√RE
3.13
Pmax
200 W
.png.webp)
6.5″Woofer
fS
75 Hz
SD
137 cm²
45 - 5000 Hz
QTS
0.56
xmax
4.5 mm
SPL1W
89 dB
Bl/√RE
3.38
Pmax
200 W
.png.webp)
6.5″2 Way Kit
fS
70 Hz
SD
136 cm²
40 - 22500 Hz
QTS
0.58
xmax
4.0 mm
SPL1W
88 dB
Bl/√RE
3.12
Pmax
220 W