Nor280 Power Amplifier

Nor280 Power Amplifier

Nor280 Power Amplifier Norsonic, optimized power amplifier for Building acoustics measurements, extended continuous usage, pink / white not generator build in. Line input for external generator if single frequencies of sweep are required.

Noise Excitation equipment for Building Acoustics Norsonic

Noise excitation equipment Nor276 Nor280 Nor277


Nor280 Power Amplifier 

Only 3,5 kg – 500Wrms

                Our aim is to take the latest technology available to help our customers complete their measurements faster but without loss of precision. With the Nor280 we have again met this objective. This power amplifier is the 4th generation of specially designed units for building acoustic measurements from Norsonic. It is less than half the size and weight, but twice as powerful as its predecessors; it replaces the Nor260 as the preferred amplifier to drive the Norsonic range of full and hemi dodecahedron instrumentation loudspeakers.


  • Specially designed for Building Acoustic measurements
  • Lightweight and rugged construction
  • Self contained noise generator
  • 500 Wrms output power
  • Emits 120 dB sound power level in the 50—5000 Hz frequency range when used with Norsonic dodecahedron loudspeaker types Nor275 or Nor276
  • Wireless remote control of noise generator (optional)
  • Equalization network to optimise acoustic output from speaker
  • Balanced signal input for low noise and limited cross talk problems


  • Sound insulation measurements
  • Reverberation time measurements
  • Absorption coefficient measurements



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