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Norsonic is a leading supplier of noise excitation equipment as well as sound measuring systems for building acoustics.

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Applications

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

Highlights

  • Lightweight and rugged construction
  • Self contained noise generator
  • Wireless remote control of noise generator

Features

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  • Specially designed for Building Acoustic measurements
  • Lightweight and rugged construction – only 3,5 kg!
  • 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 loudspeakers types Nor275 or Nor276
  • Wireless remote control of noise generator
  • Equalization network to optimise acoustic output from speaker
  • Balanced signal input for low noise and limited cross talk problems

Standards

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  • ISO 717-1, ISO 717-2, ISO 717-3
  • ISO 1793-1, ISO 1793-2, ISO 1793-3
  • ISO 10140-2, ISO 10140-3
  • ISO 10140-5 Annex D
  • ISO 10848-1, ISO 10848-2, ISO 10848-3
  • ISO 354
  • ISO 3382-2

Specifications

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Output: Short-circuit and over-temperature protected
Output connector: Speakon NL4MP
Output power:
500 WRMS RMS into 4ohm
250 WRMS RMS into 8ohm
THD+N < 0.1% The built-in LP and HP filters ensure that the output power matches the Norsonic Nor275 and Nor276 series of dodecahedron loudspeakers Peak power: >1 kWPEAK into 4ohm
Output current: Maximum 35 A
Input: Balanced input to avoid ground loops and cross talk to signal cables
Input connector: XLR
Input sensitivity: 1.0 VRMS
Input impedance: 10 k//220 pF
Dimensions: (D x W x H) 275 × 110 × 246 [mm] 11 x 4,3 x 9,7 [inch]
Weight: 3,5 kg
Temperature: –20 to +35 °C
Rel. Humidity: 0–90%
Enclosure class: IP20
Mains: 220 VAC (±10%) or 110 VAC (±10%)
Fuse: T 3,15A (220 V), T 6A (110 V)

EMC and Safety Standards: EN 55103-1, EN 55103-2, IEC 61340-5 part 1&2, IEC 61010, FCC part 15b part 1&2
CE Conformity: EMC compliance according to EN 50081-1 and EN 50082-1, Safety according to EN 61010-1-1993 and Machine directive 89/392

Accessories included
Mains cable, Output connector, Wireless on/off remote control

Accessories

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Norsonic Nor1494 cable to connect Norsonic loudspeaker to Norsonic power amplifer
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Noise sources

Nor1494 Loudspeaker cable

Norsonic Nor1327B suitecase for Nor276 loudspeaker, Nor280/Nor282 Power Amplifier, sound level meter, tripod and misc. accessories
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Noise sources

Nor1327B Flight case

Norsonic Rugged flight case Nor1327C for Hemi-dodecahedron Loudspeaker Nor275, tripod, Power Amplifier Nor280/Nor282 and miscellaneous accessories.
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Noise sources

Nor1327C Flight case

Downloads

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Brochurer

Product range catalogue

  • Product range catalogue -

    Norsonic_productrange_2024-2025.pdf (0.01GB)
    Released
    Download
Product data

Nor280 power amplifier, Nor282 power amplifier, Nor283 dodecahedron loudspeaker

  • Nor280, Nor282, Nor283 - March 2024 rev.2

    PD-Nor280_Nor282_Nor283-March-2024-rev.2.pdf (2084.72KB)
    Released 13/03/2024
    Download

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Contact us

Norsonic AS
Gunnersbråtan 2
N-3409 Tranby
Norway

+47 32 85 89 00
info@norsonic.com

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