Qref Lightweight Sound Power Reference Source

Features & Benefits

  • Weighs just 1.1 kg
  • 50Hz – 8kHz (1/3rd Octaves) Frequency Range
  • Axial directionality ±  1 dB  and tangential directionality ± 5dB
  • 88 ± 1 dB Lw for 2 minutes (output level stability better than ISO 6926)

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Product Details

Qref is a unique sound source for regular verification of rooms for product/machinery testing such as anechoic chambers and reverberation rooms.  Another main application for this product is sound power evaluation of machinery or larger installations in-situ because of its small size, low weight and built-in signal control.

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