B&C Speaker 6NDL38

16Ω

Woofer

6.5″ / 170 mm
Nominal diameter
70 Hz
Resonance
0.5
Q factor
89 dB
Sensitivity
± 6 mm
Linear excursion
300 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
Discard
Apply
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
B&C Speaker 6NDL38 Impedance
B&C Speaker 6NDL38 SPL
B&C Speaker 6NDL38 Dimensions

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