Dodecahedron loudspeaker - Geonoise India

Dodecahedron loudspeaker 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.

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 Nor27
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.

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