VOLT BM251.3
Woofer
10″ / 250 mm
Nominal diameter
55 Hz
Resonance
0.35
Q factor
94 dB
Sensitivity
± 5 mm
Linear excursion
400 W
Program Power
Discontinued
.jpg)
.jpg)
.jpg)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
94.1
dB
Frequency response
40 - 4000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
55.0
Hz
Mechanical quality factor
QMS
5.42
Electrical quality factor
QES
0.37
Total quality factor
QTS
0.35
Large signal parameters
Maximum linear excursion
xmax
5.0
mm
Maximum excursion before damage
xlim
12.5
mm
Air volume displaced at xmax
VD
168
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
50
mm
Winding material
Copper
Magnet
Force factor
Bl
12.2
N/A
Motor constant
Bl/√RE
5.35
N/√W
Weight
3.8
kg
Diaphragm
Effective diameter
207
mm
Effective area
SD
336
cm²
Moving mass
MMS
31
g
Moving mass (without air load)
MMD
26.2
g
Suspensions
Stiffness
KMS
3.7
N/mm
Compliance
CMS
270
µm/N
Equivalent volume to the compliance
VAS
44
L
Mechanical resistance
RMS
1.98
N·s/m
Dimensions
Nominal diameter
10
″
250
mm
Overall diameter
285
mm
Baffle cutout diameter
245
mm
Overall depth
119
mm
Flange thickness
9
mm
Mounting depth
110
mm
Volume occupied by the driver
1.1
L
Net weight
4.9
kg
Frame material
Diecast Aluminum
.png)
.png)
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar woofers to VOLT BM251.3
.png.webp)
12″Woofer
fS
53 Hz
SD
531 cm²
50 - 3000 Hz
QTS
0.33
xmax
8.0 mm
SPL1W
95 dB
Bl/√RE
8.63
Pmax
1400 W
.png.webp)
12″Subwoofer
fS
54 Hz
SD
531 cm²
50 - 3500 Hz
QTS
0.34
xmax
8.3 mm
SPL1W
95 dB
Bl/√RE
8.59
Pmax
1600 W
.jpg.webp)