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  • Users: donquixote
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  1. donquixote

    B &K Sound Level Meter

    I'm using a Bruel and Kjaer 2209 sound level meter to take some measurements, but I don't have the manual. Does anyone know what the difference between 'peak' and 'impulse' is? Also, the SLM has six weighting networks, 'A', 'B', 'C', 'D', 'lin' and the external filter. I know only generally what...
  2. donquixote

    soundproofing materials

    does any one know what good soundproofing materials there are for structurebourne noise? I'm having trouble with something that's too loud. thanks, joe

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