Nor276 Dodecahedron Loudspeaker

Nor276 Dodecahedron Loudspeaker

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Part Number:Nor276 Dodecahedron Loudspeaker
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Nor276 Dodecahedron loudspeaker for Building Acoustics by Norsonic

Nor276 Dodecahedron loudspeaker for Building Acoustics by Norsonic, powerful, very robust and lightweight

Norsonic Innovative Sound Instruments Description

Nor276 Dodecahedron loudspeaker for Building Acoustics by Norsonic

Less than 10 kg – 120dB Lw !

The Nor276 is a high power loudspeaker with omnidirectional characteristics.
It fulfils the following standards; ISO 140-3 Annex C (Laboratory measurements), ISO 140-4 Annex A (Field measurements) and the ISO3382 Annex A (Reverberation Time measurements).

The output power level is up to 120 db re. 1pW for a pink noise signal.

The Nor276 has been designed for continuous operation for more than one hour at full power. It is designed to be used with Nor280 Power Amplifier only. Using other amplifiers may damage the speakers and will void the warranty.

The dimension is 332mm (13″) diameter.


Typical sound power level vs. frequency of the Dodecahedron Loudspeaker Nor276 when used with the pink noise source and equalizer included in the Power Amplifier Nor280.

Maximum and minimum directivity indices in different directions according to the requirements in ISO 140-3 and ISO 140-4 compared to the tolerance limits.

Maximum and minimum directivity indices in different directions according to the requirements in ISO 3382-1 compared to the tolerance limits.

Sound power in different directions for Nor276. The measurement is done in a horizontal plane through the centre of the loudspeaker. The graph shows the response for a sinusoidal signal at 100 Hz, 315 Hz, 1 kHz and 3,15 kHz.

PDF:      http://norsonic.asia/wp-content/uploads/2015/04/ImNoiseExitation_1Ed1R0En1.pdf

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