MTX Audio T812-22

2x2Ω
2x4Ω

Subwoofer

12″ / 300 mm
Nominal diameter
33 Hz
Resonance
0.56
Q factor
86 dB
Sensitivity
± 16 mm
Linear excursion
1500 W
Program Power
Discontinued
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
86.0
dB
Frequency response
32 - 200
Hz

Thiele & Small parameters

Resonance frequency (free air)
fS
32.5
Hz
Mechanical quality factor
QMS
4.10
Electrical quality factor
QES
0.65
Total quality factor
QTS
0.56

Large signal parameters

Maximum linear excursion
xmax
16.0
mm
Air volume displaced at xmax
VD
837
cm³
Power handling
P
500
W
Program power
Pmax
1500
W

Voice Coil

Nominal impedance
Z
2 x 2
Ω
DC resistance (in series)
RE
3.2
Ω
Inductance (1kHz, in series, estimated)
LE
1.08
mH

Magnet

Force factor (in series)
Bl
13.71
N/A
Motor constant
Bl/√RE
7.72
N/√W

Diaphragm

Effective diameter
258
mm
Effective area
SD
523
cm²
Moving mass
MMS
190.8
g
Moving mass (without air load)
MMD
182.6
g

Suspensions

Stiffness
KMS
7.94
N/mm
Compliance
CMS
126
µm/N
Equivalent volume to the compliance
VAS
48.7
L
Mechanical resistance
RMS
9.5
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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