10″ / 250 mm
Nominal diameter
52 Hz
Resonance
0.25
Q factor
95 dB
Sensitivity
± 4 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
Sensitivity (1w, 1m, infinite baffle)
SPL1W
95.4
dB
Frequency response
45 - 2500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
52.0
Hz
Mechanical quality factor
QMS
6.55
Electrical quality factor
QES
0.26
Total quality factor
QTS
0.25
Large signal parameters
Maximum linear excursion
xmax
4.0
mm
Maximum excursion before damage
xlim
10.0
mm
Air volume displaced at xmax
VD
134
cm³
Power handling
P
250
W
Program power
Pmax
500
W
Voice Coil
Nominal impedance
Z
8
Ω
DC resistance
RE
5.2
Ω
Inductance (1kHz)
LE
0.5
mH
VC Diameter
75
mm
Magnet
Force factor
Bl
15.0
N/A
Motor constant
Bl/√RE
6.58
N/√W
Weight
8.1
kg
Diaphragm
Effective diameter
207
mm
Effective area
SD
336
cm²
Moving mass
MMS
34
g
Moving mass (without air load)
MMD
29.2
g
Suspensions
Stiffness
KMS
3.7
N/mm
Compliance
CMS
270
µm/N
Equivalent volume to the compliance
VAS
43
L
Mechanical resistance
RMS
1.7
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
Diecast Aluminum
Similar woofers to VOLT BM2500.5
10″Woofer
fS
55 Hz
SD
346 cm²
QTS
0.26
xmax
7.0 mm
SPL1W
95 dB
Bl/√RE
6.22
Pmax
400 W
10″Woofer
fS
58 Hz
SD
346 cm²
60 - 5000 Hz
QTS
0.27
xmax
4.4 mm
SPL1W
95 dB
Bl/√RE
6.88
Pmax
700 W
10″Low frequency
fS
55 Hz
SD
346 cm²
60 - 5000 Hz
QTS
0.27
xmax
4.3 mm
SPL1W
95 dB
Bl/√RE
6.53
Pmax
600 W