PowerBass XL-1240T
4Ω
2x4ΩShallow Subwoofer
12″ / 305 mm
Nominal diameter
33 Hz
Resonance
0.53
Q factor
86 dB
Sensitivity
± 7.5 mm
Linear excursion
800 W
Program Power
.png)
.png)
Sensitivity (1w, 1m, infinite baffle)
SPL1W
86.2
dB
Frequency response
33 - 450
Hz
Thiele & Small parameters
Resonance frequency (free air)
fS
33.0
Hz
Mechanical quality factor
QMS
4.46
Electrical quality factor
QES
0.60
Total quality factor
QTS
0.53
Large signal parameters
Maximum linear excursion
xmax
7.5
mm
Air volume displaced at xmax
VD
383
cm³
Power handling
P
400
W
Program power
Pmax
800
W
Voice Coil
Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz, estimated)
LE
1.13
mH
VC Diameter
51
mm
Magnet
Force factor
Bl
15.25
N/A
Motor constant
Bl/√RE
8.52
N/√W
Weight
3.97
kg
Diaphragm
Effective diameter
255
mm
Effective area
SD
511
cm²
Moving mass
MMS
202.1
g
Moving mass (without air load)
MMD
193.9
g
Material
Injection Polypropylene
Suspensions
Stiffness
KMS
10.19
N/mm
Compliance
CMS
98
µm/N
Equivalent volume to the compliance
VAS
42.4
L
Mechanical resistance
RMS
9.4
N·s/m
Dimensions
Nominal diameter
12
″
305
mm
Baffle cutout diameter
281
mm
Mounting depth
97
mm
Volume occupied by the driver (estimated)
2.4
L
Export this driver to a simulation software:
WinISD
Basta!
Hornresp
QSpeakers
SpeakerSim
MfbLabs
SpeakerbenchSimilar subwoofers to PowerBass XL-1240T
.png.webp)
12″Shallow Subwoofer
fS
33 Hz
SD
511 cm²
33 - 450 Hz
QTS
0.53
xmax
7.5 mm
SPL1W
86 dB
Bl/√RE
8.52
Pmax
800 W
.jpg.webp)
Skar Audio IX-10 D22 x 2 Ω
10″Subwoofer
fS
36 Hz
SD
338 cm²
40 - 600 Hz
QTS
0.55
xmax
7.0 mm
SPL1W
86 dB
Bl/√RE
5.63
Pmax
400 W
.jpg.webp)