PowerBass M-1504D

2x4Ω

Subwoofer

15″ / 381 mm
Nominal diameter
23 Hz
Resonance
0.59
Q factor
88 dB
Sensitivity
± 11 mm
Linear excursion
850 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
88.0
dB
Frequency response
22 - 400
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
23.0
Hz
Mechanical quality factor
QMS
3.37
Electrical quality factor
QES
0.59
Total quality factor
QTS
0.59

Large signal parameters

Maximum linear excursion
xmax
11.0
mm
Air volume displaced at xmax
VD
857
cm³
Power handling
P
425
W
Program power
Pmax
850
W

Voice Coil

Nominal impedance
Z
2 x 4
Ω
DC resistance (in series)
RE
6.4
Ω
Inductance (1kHz, in series, estimated)
LE
2.52
mH
VC Diameter
64
mm

Magnet

Force factor (in series)
Bl
21.6
N/A
Motor constant
Bl/√RE
8.54
N/√W
Weight
6.24
kg

Diaphragm

Effective diameter
315
mm
Effective area
SD
779
cm²
Moving mass
MMS
240
g
Moving mass (without air load)
MMD
224.5
g
Material
Non Pressed Paper

Suspensions

Stiffness
KMS
5.97
N/mm
Compliance
CMS
167
µm/N
Equivalent volume to the compliance
VAS
144
L
Mechanical resistance
RMS
10.29
N·s/m

Dimensions

Nominal diameter
15
381
mm
Baffle cutout diameter
355
mm
Mounting depth
165
mm
Volume occupied by the driver (estimated)
4.3
L

Export this driver to a simulation software:

WinISDWinISDBasta!Basta!HornrespHornrespQSpeakersQSpeakersSpeakerSimSpeakerSimMfbLabsMfbLabsSpeakerbenchSpeakerbench

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