MTX Audio RT12-04

Subwoofer

12″ / 300 mm
Nominal diameter
28 Hz
Resonance
0.54
Q factor
86 dB
Sensitivity
± 16 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
86.4
dB
Frequency response
28 - 200
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
28.0
Hz
Mechanical quality factor
QMS
6.87
Electrical quality factor
QES
0.58
Total quality factor
QTS
0.54

Large signal parameters

Maximum linear excursion
xmax
16.0
mm
Air volume displaced at xmax
VD
816
cm³
Power handling
P
250
W
Program power
Pmax
750
W

Voice Coil

Nominal impedance
Z
4
Ω
DC resistance
RE
3.2
Ω
Inductance (1kHz, estimated)
LE
1.0
mH

Magnet

Force factor
Bl
12.8
N/A
Motor constant
Bl/√RE
7.16
N/√W

Diaphragm

Effective diameter
255
mm
Effective area
SD
510
cm²
Moving mass
MMS
164
g
Moving mass (without air load)
MMD
156
g

Suspensions

Stiffness
KMS
5.38
N/mm
Compliance
CMS
186
µm/N
Equivalent volume to the compliance
VAS
68
L
Mechanical resistance
RMS
4.2
N·s/m

Dimensions

Nominal diameter
12
300
mm
Volume occupied by the driver (estimated)
2.3
L

Export this driver to a simulation software:

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SD
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