Discover the Norsonic NOR280 Noise Source — engineered for precise, standards-compliant acoustic measurements. Applications Sound insulation measurements Reverberation time measurements Absorption coefficient measurements Highlights Lightweight and rugged construction, only 3.5 kg – ideal for portable use on-site Built-in noise generator Wireless remote control of noise generator Features 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 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 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
Discover the Norsonic NOR280 Noise Source — engineered for precise, standards-compliant acoustic measurements.
Applications
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
