lexphin,
You were lucky to find them. Are they copper? Franck Tchang's placement is mandatory here. Google Franck Tchang acoustic resonators placement. This will take you to the page on his site with the diagrams. He is the master. Everyone else followed him.
You were lucky to find them. Are they copper? Franck Tchang's placement is mandatory here. Google Franck Tchang acoustic resonators placement. This will take you to the page on his site with the diagrams. He is the master. Everyone else followed him.