8″ / 203 mm
Nominal diameter
43 Hz
Resonance
0.46
Q factor
84 dB
Sensitivity
± 6 mm
Linear excursion
400 W
Program Power
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
83.7
dB
Frequency response
43 - 500
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
43.3
Hz
Mechanical quality factor
QMS
3.97
Electrical quality factor
QES
0.51
Total quality factor
QTS
0.46
Large signal parameters
Maximum linear excursion
xmax
6.0
mm
Air volume displaced at xmax
VD
127
cm³
Power handling
P
200
W
Program power
Pmax
400
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.5
Ω
Inductance (1kHz, estimated)
LE
0.75
mH
VC Diameter
51
mm
Magnet
Force factor
Bl
12.83
N/A
Motor constant
Bl/√RE
6.86
N/√W
Weight
3.29
kg
Diaphragm
Effective diameter
164
mm
Effective area
SD
211
cm²
Moving mass
MMS
88.9
g
Moving mass (without air load)
MMD
86.7
g
Material
Non Pressed Paper
Suspensions
Stiffness
KMS
6.58
N/mm
Compliance
CMS
152
µm/N
Equivalent volume to the compliance
VAS
9.64
L
Mechanical resistance
RMS
6.09
N·s/m
Dimensions
Nominal diameter
8
″
203
mm
Baffle cutout diameter
181
mm
Mounting depth
111
mm
Volume occupied by the driver (estimated)
0.85
L
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to PowerBass XL-840
.png.webp)
PowerBass XL-840D2 x 4 Ω
8″Subwoofer
fS
43 Hz
SD
211 cm²
43 - 500 Hz
QTS
0.46
xmax
6.0 mm
SPL1W
83 dB
Bl/√RE
6.41
Pmax
400 W
.png.webp)
Fi Car Audio SSD NEO 10 D12 x 1 Ω
10″Subwoofer
fS
39 Hz
SD
310 cm²
QTS
0.41
xmax
28.0 mm
SPL1W
84 dB
Bl/√RE
11
Pmax
3500 W
.png.webp)
Fi Car Audio SSD NEO 10 D22 x 2 Ω
10″Subwoofer
fS
39 Hz
SD
310 cm²
QTS
0.41
xmax
28.0 mm
SPL1W
84 dB
Bl/√RE
11
Pmax
3500 W