low pass

Cleaner is Meaner A couple of videos (Scott’s Radio) covering the advantages of using Low Pass Filtration where an inexpensive outboard amp is used with a system. Inexpensive as it lacks RF filtration. Second video features the MORGAN 411cb Bypass Filter. One will hear that an LPF...

I notice that when anyone talks on my feeds there is a noticeable PL hum associated with it. I understand that there are low-pass filters that can be put in place to eliminate the hum. Please verify (or correct me if I'm wrong) that a low-pass filter cuts out any audio below a certain...