B&C Speaker 15NDL76

Woofer

15″ / 380 mm
Nominal diameter
37 Hz
Resonance
0.22
Q factor
97 dB
Sensitivity
± 7 mm
Linear excursion
1000 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

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Specifications

Sensitivity (1w, 1m, infinite baffle)
SPL1W
97.2
dB
Frequency response
40 - 2000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
4.50
Electrical quality factor
QES
0.24
Total quality factor
QTS
0.22

Large signal parameters

Maximum linear excursion
xmax
7.0
mm
Air volume displaced at xmax
VD
599
cm³
Power handling
P
500
W
Program power
Pmax
1000
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
76
mm
Winding height
HVC
18
mm
Winding material
Copper
Former material
Glass Fibre

Magnet

Flux density
B
1.25
T
Force factor
Bl
22.5
N/A
Motor constant
Bl/√RE
9.77
N/√W
Air gap height
HAG
11
mm
Material
Neodymium Inside Slug

Diaphragm

Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
96
g
Moving mass (without air load)
MMD
78.4
g
Material
Waterproof

Suspensions

Stiffness
KMS
5.32
N/mm
Compliance
CMS
188
µm/N
Equivalent volume to the compliance
VAS
195
L
Mechanical resistance
RMS
4.96
N·s/m
Spider material
Single

Dimensions

Nominal diameter
15
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
171
mm
Flange thickness
16
mm
Mounting depth
155
mm
Volume occupied by the driver
3.5
L
Net weight
4.6
kg
B&C Speaker 15NDL76 Impedance
B&C Speaker 15NDL76 SPL
B&C Speaker 15NDL76 Dimensions

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