PowerBass M-1204D

2x4Ω

Subwoofer

12″ / 305 mm
Nominal diameter
30 Hz
Resonance
0.49
Q factor
86 dB
Sensitivity
± 9.5 mm
Linear excursion
750 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
86.2
dB
Frequency response
29 - 450
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
29.5
Hz
Mechanical quality factor
QMS
3.70
Electrical quality factor
QES
0.57
Total quality factor
QTS
0.49

Large signal parameters

Maximum linear excursion
xmax
9.5
mm
Air volume displaced at xmax
VD
466
cm³
Power handling
P
375
W
Program power
Pmax
750
W

Voice Coil

Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
2.02
mH
VC Diameter
51
mm

Magnet

Force factor (in series)
Bl
19.13
N/A
Motor constant
Bl/√RE
7.56
N/√W
Weight
4.65
kg

Diaphragm

Effective diameter
250
mm
Effective area
SD
491
cm²
Moving mass
MMS
167
g
Moving mass (without air load)
MMD
159.2
g
Material
Non Pressed Paper

Suspensions

Stiffness
KMS
5.89
N/mm
Compliance
CMS
170
µm/N
Equivalent volume to the compliance
VAS
62
L
Mechanical resistance
RMS
8.37
N·s/m

Dimensions

Nominal diameter
12
305
mm
Baffle cutout diameter
297
mm
Mounting depth
140
mm
Volume occupied by the driver (estimated)
2.4
L

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

Similar subwoofers to PowerBass M-1204D

Focal E 30 KX Subwoofer
12Subwoofer
fS
29 Hz
SD
502 cm²
20 - 500 Hz
QTS
0.46
xmax
22.5 mm
SPL1W
87 dB
Bl/√RE
8.42
Pmax
1600 W
Focal SUB 30 KXE Subwoofer
12Subwoofer
fS
29 Hz
SD
502 cm²
25 - 500 Hz
QTS
0.46
xmax
22.5 mm
SPL1W
87 dB
Bl/√RE
8.42
Pmax
1600 W
PowerBass M-1204 Subwoofer
12Subwoofer
fS
29 Hz
SD
491 cm²
29 - 450 Hz
QTS
0.40
xmax
9.5 mm
SPL1W
87 dB
Bl/√RE
8.08
Pmax
750 W