Mods:

its strikes me that

https://www.audio-forums.com/as-rediect/showthread.php?t=10705

should be moved here under HiFi, and unless

https://www.audio-forums.com/as-rediect/showthread.php?t=10775

gets back on track, it should take its place in the Chat (albeit 'heavy chat')

else the term zerogain has literal meaning, and archive searches will not be so rewarding