B&C Speaker 15PS76
Low frequency
15″ / 380 mm
Nominal diameter
38 Hz
Resonance
0.26
Q factor
97 dB
Sensitivity
± 7.5 mm
Linear excursion
1100 W
Program Power
Discontinued
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Available on (affiliate link)
Parts Express
$$$
Specifications
Sensitivity (1W, 1m, infinite baffle)
SPL1W
96.6
dB
Frequency response
40 - 2000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
38.0
Hz
Mechanical quality factor
QMS
5.20
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.26
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Air volume displaced at xmax
VD
641
cm³
Power handling
P
550
W
Program power
Pmax
1100
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.0
Ω
Inductance (1kHz)
LE
1.3
mH
VC Diameter
76
mm
Winding height
HVC
19
mm
Winding material
Copper
Former material
Glass Fibre
Magnet
Flux density
B
1.15
T
Force factor
Bl
22.1
N/A
Motor constant
Bl/√RE
9.88
N/√W
Air gap height
HAG
11
mm
Material
Ferrite
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
106
g
Moving mass (without air load)
MMD
88.4
g
Suspensions
Stiffness
KMS
6.33
N/mm
Compliance
CMS
158
µm/N
Equivalent volume to the compliance
VAS
164
L
Mechanical resistance
RMS
4.87
N·s/m
Spider material
Double Silicone
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
0.0
L
Net weight
8.7
kg
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