15″ / 380 mm
Nominal diameter
33 Hz
Resonance
0.17
Q factor
94 dB
Sensitivity
± 16.5 mm
Linear excursion
3200 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.2
dB
Frequency response
35 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
5.20
Electrical quality factor
QES
0.18
Total quality factor
QTS
0.17
Large signal parameters
Maximum linear excursion
xmax
16.5
mm
Air volume displaced at xmax
VD
1411
cm³
Power handling
P
1600
W
Program power
Pmax
3200
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
4.9
Ω
Inductance (1kHz)
LE
4.5
mH
VC Diameter
116
mm
Winding height
HVC
40
mm
Winding material
Aluminium
Former material
Glass Fibre
Magnet
Flux density
B
0.8
T
Force factor
Bl
38.7
N/A
Motor constant
Bl/√RE
17.5
N/√W
Air gap height
HAG
14
mm
Material
Neodymium Inside Slug
Diaphragm
Effective diameter
330
mm
Effective area
SD
855
cm²
Moving mass
MMS
254
g
Moving mass (without air load)
MMD
236.4
g
Suspensions
Stiffness
KMS
10.99
N/mm
Compliance
CMS
91
µm/N
Equivalent volume to the compliance
VAS
94
L
Mechanical resistance
RMS
10.13
N·s/m
Spider material
Double Silicone
Dimensions
Nominal diameter
15
″
380
mm
Overall diameter
393
mm
Baffle cutout diameter
354
mm
Overall depth
199
mm
Flange thickness
15
mm
Mounting depth
184
mm
Volume occupied by the driver
7.0
L
Net weight
11.6
kg
Similar subwoofers to B&C Speaker 15DS115 8Ω
15″Subwoofer
fS
34 Hz
SD
855 cm²
35 - 1000 Hz
QTS
0.16
xmax
16.5 mm
SPL1W
94 dB
Bl/√RE
19
Pmax
3200 W
18″Subwoofer
fS
29 Hz
SD
1225 cm²
29 - 1000 Hz
QTS
0.17
xmax
18.0 mm
SPL1W
94 dB
Bl/√RE
21
Pmax
3600 W
18″Subwoofer
fS
29 Hz
SD
1225 cm²
29 - 1000 Hz
QTS
0.17
xmax
18.0 mm
SPL1W
94 dB
Bl/√RE
21
Pmax
3600 W