Quote:
Originally Posted by luigi90210
well LTH have lots of rasp since they are not resonated, if there are such thing as resonated LTH than OP should get those, if not, than resonated test pipes are really the only answer to completely get rid of rasp
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Not true. Adding a Helmholtz in the X, Y, H pipe will completely kill the rasp. You could add inline resonators there too but it won't kill it 100% just like RTP's won't.