B&C Speaker 5NDL38

Woofer

5″ / 127 mm
Nominal diameter
80 Hz
Resonance
0.36
Q factor
90 dB
Sensitivity
± 3.5 mm
Linear excursion
180 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
89.9
dB
Frequency response
80 - 7000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
80.0
Hz
Mechanical quality factor
QMS
9.20
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.36

Large signal parameters

Maximum linear excursion
xmax
3.5
mm
Air volume displaced at xmax
VD
33
cm³
Power handling
P
90
W
Program power
Pmax
180
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.5
Ω
Inductance (1kHz)
LE
0.64
mH
VC Diameter
38
mm
Winding height
HVC
10
mm
Winding material
Aluminium
Former material
Glass Fibre

Magnet

Flux density
B
1.25
T
Force factor
Bl
9.2
N/A
Motor constant
Bl/√RE
3.92
N/√W
Air gap height
HAG
6
mm
Material
Neodymium Ring

Diaphragm

Effective diameter
110
mm
Effective area
SD
95
cm²
Moving mass
MMS
11
g
Moving mass (without air load)
MMD
10.3
g
Material
Waterproof Front Side

Suspensions

Stiffness
KMS
2.87
N/mm
Compliance
CMS
349
µm/N
Equivalent volume to the compliance
VAS
4.3
L
Mechanical resistance
RMS
0.6
N·s/m

Dimensions

Nominal diameter
5
127
mm
Overall diameter
155
mm
Baffle cutout diameter
122
mm
Overall depth
75
mm
Flange thickness
9
mm
Mounting depth
66
mm
Volume occupied by the driver
0.35
L
Net weight
0.94
kg
B&C Speaker 5NDL38 Impedance
B&C Speaker 5NDL38 SPL
B&C Speaker 5NDL38 Dimensions

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