VOLT B2500.1

Woofer

10″ / 250 mm
Nominal diameter
39 Hz
Resonance
0.34
Q factor
87 dB
Sensitivity
± 5.5 mm
Linear excursion
500 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
Discard
Apply
Sensitivity (1W, 1m, infinite baffle)
SPL1W
87.3
dB
Frequency response
25 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
39.0
Hz
Mechanical quality factor
QMS
2.21
Electrical quality factor
QES
0.41
Total quality factor
QTS
0.34

Large signal parameters

Maximum linear excursion
xmax
5.5
mm
Maximum excursion before damage
xlim
12.5
mm
Air volume displaced at xmax
VD
185
cm³
Power handling
P
250
W
Program power
Pmax
500
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
5.7
Ω
Inductance (1kHz)
LE
0.9
mH
VC Diameter
75
mm
Winding material
Copper

Magnet

Force factor
Bl
18.7
N/A
Motor constant
Bl/√RE
7.83
N/√W
Weight
8.1
kg

Diaphragm

Effective diameter
207
mm
Effective area
SD
337
cm²
Moving mass
MMS
104
g
Moving mass (without air load)
MMD
99.1
g

Suspensions

Stiffness
KMS
6.25
N/mm
Compliance
CMS
160
µm/N
Equivalent volume to the compliance
VAS
26
L
Mechanical resistance
RMS
11.53
N·s/m

Dimensions

Nominal diameter
10
250
mm
Overall diameter
285
mm
Baffle cutout diameter
245
mm
Overall depth
121
mm
Flange thickness
9
mm
Mounting depth
112
mm
Volume occupied by the driver
2.0
L
Net weight
8.65
kg
Frame material
Painted Diecast Aluminum
VOLT B2500.1 SPL & Impedance
VOLT B2500.1 Dimensions

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SD
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