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Nor280 power amplifier with remote control

Nor280 power amplifier specially designed for Building Acoustics measurements.

Norsonic Nor280 ppower amplifier and Nor276 dodecahedron loudsepeaker

Category: Noise sources

Nor280 Power amplifier

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Nor280 Power amplifier is specially designed for building acoustics measurements.

Lightweight – only 3,5 kg and rugged construction. For use with Nor275 and Nor276 loudspeakers.

Our aim is to take the latest technology available to help our customers complete their measurements faster but without loss of precision.

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

Noise sources

Nor1494 Loudspeaker cable

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

Noise sources

Nor1327B Flight case

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

Noise sources

Nor1327C Flight case

Downloads

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Product range catalogue -
Norsonic_productrange_2024-2025.pdf (0.01GB)

Released

Download

Nor280, Nor282, Nor283 - November 2024
PD-Nor280_Nor282_Nor283-November-2024.pdf (1624.25KB)

Released 12/11/2024

Download

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Downloads

Product range catalogue

Product range catalogue -