Norsonic Nor276 Dodecahedron Loudspeaker

SKU: Nor276

The Nor276 is a high power loudspeaker with omnidirectional characteristics.

Fulfils the following standards;

ISO 10140-1:2010 (replaces ISO 140-3 Annex C (Laboratory measurements))
ISO 16283-1:2014 (replaces ISO 140-4 Annex A (Field measurements)
Fulfils the requirements of omnidirectionality for all parts of ISO 3382 (i.e 3382-1, 3382-2 and 3382-3)

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

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Overview

The Nor276 has been designed for continuous operation for more than one hour at full power. It is designed to be used with Nor282 Power Amplifier / Nor280 Power Amplifier only. Using other amplifiers may damage the speakers and will void the warranty.

The dimension is 332 mm (13″) diameter.

Less than 10 kg – 120dB Lw!

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 10140-5 and ISO 16283-1 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.

Features

  • ISO 10140-1:2010 (replaces ISO 140-3 Annex C (Laboratory measurements))
  • ISO 16283-1:2014 (replaces ISO 140-4 Annex A (Field measurements)
  • Nor276 fulfils the requirements of omnidirectionality for all parts of ISO 3382 (i.e 3382-1, 3382-2 and 3382-3)
  • Powerful – 120 dB Lw
  • Lightweight, portable and rugged design for field use

Specifications

Physical design: Dodecahedron
Sound power output: Using the Nor282 / Nor280 with pink noise, and equalisation: 120 dB (Lin)
Speakers: 12×6”
Power (broadband): 200 WRMS RMS, Peak 1000 W
Impedance: 2,7Ω
Diameter: 332 mm (13″)
Weight: <9 kg (19,8 lb)
Tripod mounting rod: 1” diameter

Accessories incl.: Tripod

Accessories

Cable (/xm) for connecting Nor275 Hemi-dodecahedron or Nor276 Dodecahedron Loudspeaker to Power Amplifier Nor280.
Nor1494/x consist of 4 pc 1,5mm² conductors. Maximum recommended length is 25 meters.

Rugged flight case Nor1327B with wheels and handle for the Dodecahedron Loudspeaker Nor276, tripod, Power Amplifier Nor282 (Nor280), Sound Analyser and miscellaneous accessories. Dimensions: Length: 58 cm, Width; 58 cm, Height: 45 cm. Photos just for illustration – the flight case can differ a little in newer version.

Downloads

Please see the Norsonic Nor276 product page for the most recent downloads and software updates.