Danger Raven

I am using filtergraph to eq away the most prominent feedback pitches in my studio when working with live sampling/looping ect. For some reason when I am using multiple active filters, only the last one appears to have any effect on the sound being passed through biquad~. Do I need multiple biquads for multiple filters? I wouldn't think so, but I jus can't seem to understand why I am having this problem. When I am using three, only the third works, when I use two, only the second. Argh!

Any suggestions would be greatly appreciated!

I am using filtergraph to eq away the most prominent feedback pitches in my studio when working with live sampling/looping ect. For some reason when I am using multiple active filters, only the last one appears to have any effect on the sound being passed through biquad~. Do I need multiple biquads for multiple filters? I wouldn't think so, but I jus can't seem to understand why I am having this problem. When I am using three, only the third works, when I use two, only the second. Argh! 

filtergraph-4

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filtergraph~