But how would one go about putting acoustic filler into a tube that small? Some people use Dacron in speaker cabs, maybe fish-line and pull in Dacron yarn.     Then there's the fact that that much tubing will eat up your cup volume... I was thinking running the majorit of the tube external...

Hi, I'm new, found the forum by searching for headphones, which lead to  InnerFidelity's "Wall of Fame" Full-Size Sealed, which lead to Monoprice 8323, which lead to Monoprice 8323 Mods (here).   Just ordered 4 sets for home studio.   I was reading thru the mod variations in the...