PowerBass L-1204D

Subwoofer

12″ / 305 mm
Nominal diameter
30 Hz
Resonance
0.49
Q factor
88 dB
Sensitivity
± 11 mm
Linear excursion
800 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
87.9
dB
Frequency response
30 - 450
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
30.0
Hz
Mechanical quality factor
QMS
3.70
Electrical quality factor
QES
0.56
Total quality factor
QTS
0.49

Large signal parameters

Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
539
cm³
Power handling
P
400
W
Program power
Pmax
800
W

Voice Coil

Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
1.77
mH
VC Diameter
51
mm

Magnet

Force factor (in series)
Bl
19.0
N/A
Motor constant
Bl/√RE
7.51
N/√W
Weight
5.1
kg

Diaphragm

Effective diameter
250
mm
Effective area
SD
490
cm²
Moving mass
MMS
135.7
g
Moving mass (without air load)
MMD
127.9
g
Material
Injection molded Polypropylene

Suspensions

Stiffness
KMS
6.1
N/mm
Compliance
CMS
164
µm/N
Equivalent volume to the compliance
VAS
60.6
L
Mechanical resistance
RMS
6.91
N·s/m

Dimensions

Nominal diameter
12
305
mm
Baffle cutout diameter
297
mm
Mounting depth
137
mm
Volume occupied by the driver (estimated)
2.4
L

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

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SD
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