BMS 15N850v²

Subwoofer

15″ / 388 mm
Nominal diameter
37 Hz
Resonance
0.33
Q factor
94 dB
Sensitivity
± 12 mm
Linear excursion
2400 W
Program Power
BMS 15N850v² SubwooferBMS 15N850v² Subwoofer
Impedance
Excursion
Velocity
SPL
Phase
Group delay
Step response
Tone Burst
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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
93.5
dB
Frequency response
20 - 200
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
37.0
Hz
Mechanical quality factor
QMS
7.38
Electrical quality factor
QES
0.34
Total quality factor
QTS
0.33

Large signal parameters

Maximum linear excursion
xmax
12.0
mm
Air volume displaced at xmax
VD
1014
cm³
Power handling
P
1200
W
Program power
Pmax
2400
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.6
Ω
Inductance (1kHz)
LE
1.43
mH
VC Diameter
102
mm
Winding height
HVC
36
mm
Winding material
Copper

Magnet

Force factor
Bl
25.2
N/A
Motor constant
Bl/√RE
10.6
N/√W
Air gap height
HAG
12
mm
Material
Neodymium

Diaphragm

Effective diameter
328
mm
Effective area
SD
845
cm²
Moving mass
MMS
167
g
Moving mass (without air load)
MMD
149.8
g

Suspensions

Stiffness
KMS
5.88
N/mm
Compliance
CMS
170
µm/N
Equivalent volume to the compliance
VAS
111
L
Mechanical resistance
RMS
5.26
N·s/m

Dimensions

Nominal diameter
15
″
388
mm
Overall diameter
388
mm
Baffle cutout diameter
357
mm
Overall depth
200
mm
Volume occupied by the driver (estimated)
4.8
L
Net weight
8.55
kg
Frame material
Cast Aluminum
Impedance
SPL & Distortion
BMS 15N850v² Impedance
BMS 15N850v² SPL & Distortion
BMS 15N850v² Dimensions
DatasheetDatasheet

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