Bruel & Kjaer - 1405 Noise Generator
Generates white and pink broadband noise for applications in electroacoustic and acoustic measurements in buildings.
When used with the band-pass filters 1616, 1617 and 1618, it provides octave and third octave noise bands.
Includes generator stop function for reverberation measurements, controllable manually or remotely.
- White noise in the frequency range 20 Hz to 100 kHz
- Pink noise in the frequency range 20 Hz to 50 kHz
- Uniform spectral density 10 exp4 V ²/Hz
- Built-in -3 dB/octave filter can be used separately
- Built-in compressor amplifier with meter
- Six compressor speeds
- Signal/hum ratio better than 90 dB
- Mains or external battery operation
- Manual and remote generator stop