15″ / 388 mm
Nominal diameter
43 Hz
Resonance
0.34
Q factor
96 dB
Sensitivity
± 2.5 mm
Linear excursion
800 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
95.8
dB
Frequency response
40 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
42.5
Hz
Mechanical quality factor
QMS
5.40
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.34
Large signal parameters
Maximum linear excursion
xmax
2.5
mm
Air volume displaced at xmax
VD
209
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz, estimated)
LE
1.31
mH
VC Diameter
77
mm
Winding height
HVC
15
mm
Magnet
Flux density
B
1.9
T
Force factor
Bl
20.6
N/A
Motor constant
Bl/√RE
8.63
N/√W
Air gap height
HAG
10
mm
Diaphragm
Effective diameter
335
mm
Effective area
SD
834
cm²
Moving mass
MMS
100
g
Moving mass (without air load)
MMD
83
g
Suspensions
Stiffness
KMS
7.14
N/mm
Compliance
CMS
140
µm/N
Equivalent volume to the compliance
VAS
138
L
Mechanical resistance
RMS
4.95
N·s/m
Dimensions
Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
358
mm
Overall depth
208
mm
Volume occupied by the driver (estimated)
4.5
L
Net weight
7.6
kg
Frame material
Cast Aluminum
Similar speaker drivers to BMS 15C262
15″Woofer
fS
42 Hz
SD
855 cm²
40 - 3000 Hz
QTS
0.33
xmax
7.0 mm
SPL1W
96 dB
Bl/√RE
9.3
Pmax
800 W
13.5″Woofer
fS
44 Hz
SD
707 cm²
45 - 3500 Hz
QTS
0.37
xmax
7.5 mm
SPL1W
95 dB
Bl/√RE
7.54
Pmax
1400 W
15″Woofer
fS
45 Hz
SD
855 cm²
45 - 3000 Hz
QTS
0.34
xmax
8.0 mm
SPL1W
96 dB
Bl/√RE
8.99
Pmax
1400 W