MTX Audio T812-44
2x2Ω
2x4Ω
Subwoofer
12″ / 300 mm
Nominal diameter
32 Hz
Resonance
0.71
Q factor
85 dB
Sensitivity
± 16 mm
Linear excursion
1500 W
Program Power
Discontinued
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 85.0
- dB
- Frequency response
- 32 - 200
- Hz
- Resonance frequency (free air)
- fS
- 32.4
- Hz
- Mechanical quality factor
- QMS
- 3.88
- Electrical quality factor
- QES
- 0.86
- Total quality factor
- QTS
- 0.71
- 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
- Nominal impedance
- Z
- 2 x 4
- Ω
- DC resistance (in series)
- RE
- 7.3
- Ω
- Inductance (1kHz, in series, estimated)
- LE
- 2.5
- mH
- Force factor (in series)
- Bl
- 18.6
- N/A
- Motor constant
- Bl/√RE
- 6.87
- N/√W
- Effective diameter
- 258
- mm
- Effective area
- SD
- 523
- cm²
- Moving mass
- MMS
- 190.8
- g
- Moving mass (without air load)
- MMD
- 182.6
- g
- Stiffness
- KMS
- 8.33
- N/mm
- Compliance
- CMS
- 120
- µm/N
- Equivalent volume to the compliance
- VAS
- 46.4
- L
- Mechanical resistance
- RMS
- 10.01
- N·s/m
- Nominal diameter
- 12
- ″
- 300
- mm
- Volume occupied by the driver (estimated)
- 2.3
- L