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Infra-Qsources Products

Qohm*        

  • Dodecahedron sound source
  • Acoustics in halls, industrial and barrier testing, isolation measurements
  • Extreme light weight, 3.1 Kg, highly portable.
  • Levels 122 dB Lw for 50 Hz upwards, no subwoofer needed

Qohm72*   

  • Extreme omni-directional sound source
  • For building acoustics, industrial, and infrastructure acoustics testing
  • Railway stations, power plants, production facilities, heavy trafic near buildings, etc.
  • Positioning by a single person possible, with 19 Kg weight
  • Medium frequency mode, 140 dB Lw for 100 Hz upwards
  • Low frequency mode, 100 dB Lw for 20 Hz upwards

Qam*

  • Measurement power amplifier
  • Internal DSP type noise generators and remote control
  • Compact light weight, 2.4 Kg, highly portable
  • Powering up to 1200 Watt, depending on signal nature
  • Drives Qohm, Qref and qohm72 sound sources

Qref *        

  • Sound power reference source, certified calibration
  • Compact, light weight, 0.8 Kg,
  • Level 97 dB Lw for 100 Hz upwards
  • Piston drive; allowing sine, random and other signals
  • Monopole omni-directionality, semi-free field 50-5000 Hz

Qohm2*

  • Monopole sound source, presicion omni-directionality
  • Acoustics, speech, isolation measurements
  • Extreme light weight, 1.3 Kg, highly portable
  • Levels 108 dB Lw for 50 Hz upwards

Qca

  • Measurement power amplifier with remote control
  • For any extrenal signal source
  • Compact light weight, 0.9 Kg, highly portable
  • Powering up to 250 Watt, depending on signal nature
  • Drives Qohm2 and Qm sound sources

Qm

  • Dodecahedron sound source
  • High efficiency, more than 121 dB Lw.