Calculation of DZ-2 and DZ-3 sound attenuators The DZ-2 attenuator with K-2 splitters provides very efficient attenuation in the 250 Hz octave band.
Izračun dušilnikov zvoka DZ-2 in DZ-3 Dušilnik tipa DZ-2 z vgrajenimi kulisami K-2 ima zelo dobre dušilne sposobnosti v oktavnem pasu 250 Hz.