Nor275

hemi dodecahedron speaker

The source provides uniform sound radiation. When used with the power amplifier Nor280, the high sound power level ensures accurate descriptors in measurement conditions.

Nor275 is designed for placement on the floor and uses the floor as a mirror for emitted sound. The loudspeaker is designed to operate at full power for more than one hour continuously. The Nor275 is designed to be used with the Nor280 power amplifier only.

Features:

  • fulfill ISO 140-4 Annex A standard for airborne insulation measurements in field.
  • Powerful - 120 dB Lw
  • Lightweight, portable and rugged design for field use

Downloads:

Product data Norsonic noise excitation

Typical sound power level vs. frequency of the Hemi-dodecahedron Loudspeaker Nor275 when used with the pink noise source and equalizer included in the Power Amplifier Nor280