Found the missing passive radiators, had my grandfather (poorly) router the holes bigger by 1/8" to fit the new parts in, installed said parts, and hooked the speakers up. They sounded godly. My dad has owned these speakers - which have been broken and in storage - since before I was born. More Pics after gap

Audiolopnik: the follow up

Audiolopnik: the follow up

Before

Audiolopnik: the follow up

After