VOLT B250.2
Woofer
10″ / 250 mm
Nominal diameter
50 Hz
Resonance
0.32
Q factor
92 dB
Sensitivity
± 6 mm
Linear excursion
300 W
Program Power
Discontinued
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Sensitivity (1w, 1m, infinite baffle)
SPL1W
92.1
dB
Frequency response
30 - 1000
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
50.0
Hz
Mechanical quality factor
QMS
2.46
Electrical quality factor
QES
0.36
Total quality factor
QTS
0.32
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Maximum excursion before damage
xlim
12.5
mm
Air volume displaced at xmax
VD
194
cm³
Power handling
P
150
W
Program power
Pmax
300
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.3
Ω
Inductance (1kHz)
LE
1.5
mH
VC Diameter
38
mm
Winding material
Copper
Magnet
Force factor
Bl
14.3
N/A
Motor constant
Bl/√RE
6.24
N/√W
Weight
3.6
kg
Diaphragm
Effective diameter
203
mm
Effective area
SD
324
cm²
Moving mass
MMS
44
g
Moving mass (without air load)
MMD
39.4
g
Suspensions
Stiffness
KMS
4.35
N/mm
Compliance
CMS
230
µm/N
Equivalent volume to the compliance
VAS
33
L
Mechanical resistance
RMS
5.62
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
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SpeakerbenchSimilar woofers to VOLT B250.2
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fS
45 Hz
SD
518 cm²
45 - 2500 Hz
QTS
0.28
xmax
12.5 mm
SPL1W
92 dB
Bl/√RE
11
Pmax
2000 W
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12″Subwoofer
fS
45 Hz
SD
518 cm²
45 - 1600 Hz
QTS
0.30
xmax
12.5 mm
SPL1W
92 dB
Bl/√RE
11
Pmax
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12″Subwoofer
fS
49 Hz
SD
550 cm²
50 - 1500 Hz
QTS
0.29
xmax
11.0 mm
SPL1W
93 dB
Bl/√RE
11
Pmax
2000 W