MTX Audio T612-22

2x2Ω
2x4Ω

Subwoofer

Nominal diameter12″ / 300 mm
Resonance31.2 Hz
Q factor0.55
Sensitivity86.9 dB
Linear excursion± 16 mm
Program Power1200 W
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

Specifications

  • Sensitivity (1W, 1m, infinite baffle) SPL1W 86.9dB
  • Frequency response 31 - 200Hz

Thiele & Small parameters

  • Resonance frequency (free air) fS 31.2Hz
  • Mechanical quality factor QMS 4.66
  • Electrical quality factor QES 0.63
  • Total quality factor QTS 0.55

Large signal parameters

  • Maximum linear excursion (one way) xmax 16mm
  • Air volume displaced at xmax VD 850cm³
  • Power handling P 400W
  • Program power Pmax 1200W

Voice Coil

  • Nominal impedance Z 2 x 2Ω
  • DC resistance (in series) RE 3.5Ω
  • Inductance (1kHz, in series, estimated) LE 2.85mH

Magnet

  • Force factor (in series) Bl 18.8N/A
  • Motor constant Bl/√RE 10.1N/√W

Diaphragm

  • Effective diameter 260mm
  • Effective area SD 531cm²
  • Moving mass MMS 227g
  • Moving mass (without air load) MMD 219g

Suspensions

  • Stiffness KMS 10.3N/mm
  • Compliance CMS 97µm/N
  • Equivalent volume to the compliance VAS 31.6L
  • Mechanical resistance RMS 9.57N·s/m

Dimensions

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

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