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In the Forum: Audio Discussions
In the Thread: Sound of line level filters

Post Subject: More sensePosted by noviygera on: 3/2/2012

>>Gera, are you catapulted from another planet? Are you sure that you want to drive a mid horn with Rowland amp?

Romy, some people that know me will say "yes", I am not sure... Of course no, not the Rowland to drive my horns, this is the amp I have to begin basic tuning of my system, or more precisely tuning away from my current setup that uses the digital crossover to reach my goal in sound. I must start somewhere, so the first thing I want to do is to replace the digital crossover I am now using to high pass my midrange horn. I tried to use a capacitor as the high pass filter and it worked, I now have a high pass filter in front of the amp. This line level capacitor filter sounds good and bad at the same time. It somehow ate the "attack" of all music and what I am hearing is a more soft, polite and refined version of the sound I got with the digital filter. It is soft in a bad way, not good way, like water in front of the speaker that soaks up the energy of the sound.

I use a normal solid state pre amp to drive the amp, and I kept everything constant in this test -- only changing between filters. So the digital filter is not great -- it is rough sound like an mp3 compression but unlike the passive filter it does not dampen the initial energy in any sounds. What I would like to figure out is another high pass filter between the pre amp and amp. I remember you mentioned having experience with the Marchand crossover and also with using RL passive filter. What were your findings?

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