VOLT B220.2

Woofer

8″ / 220 mm
Nominal diameter
32 Hz
Resonance
0.25
Q factor
89 dB
Sensitivity
± 5.25 mm
Linear excursion
300 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
89.0
dB
Frequency response
25 - 1000
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
32.0
Hz
Mechanical quality factor
QMS
1.92
Electrical quality factor
QES
0.28
Total quality factor
QTS
0.25

Large signal parameters

Maximum linear excursion
xmax
5.25
mm
Maximum excursion before damage
xlim
12.5
mm
Air volume displaced at xmax
VD
112
cm³
Power handling
P
150
W
Program power
Pmax
300
W

Voice Coil

Nominal impedance
Z
8
Ω
DC resistance
RE
6.0
Ω
Inductance (1kHz)
LE
1.0
mH
VC Diameter
38
mm
Winding material
Copper

Magnet

Force factor
Bl
11.8
N/A
Motor constant
Bl/√RE
4.82
N/√W
Weight
3.6
kg

Diaphragm

Effective diameter
165
mm
Effective area
SD
214
cm²
Moving mass
MMS
33
g
Moving mass (without air load)
MMD
30.5
g

Suspensions

Stiffness
KMS
1.3
N/mm
Compliance
CMS
770
µm/N
Equivalent volume to the compliance
VAS
49
L
Mechanical resistance
RMS
3.46
N·s/m

Dimensions

Nominal diameter
8
220
mm
Overall diameter
235
mm
Baffle cutout diameter
200
mm
Overall depth
106
mm
Flange thickness
9
mm
Mounting depth
97
mm
Volume occupied by the driver
0.8
L
Net weight
4.1
kg
Frame material
Diecast Aluminium
VOLT B220.2 SPL & Impedance
VOLT B220.2 Dimensions

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Similar woofers to VOLT B220.2

Kartesian Wom185_vKi Woofer
8Woofer
fS
36 Hz
SD
194 cm²
35 - 2200 Hz
QTS
0.29
xmax
10.0 mm
SPL1W
90 dB
Bl/√RE
4.57
Pmax
250 W