Quote Originally Posted by edgewound
Sounds like the D120F's you have are a candidate for a magnet recharge....also, are the aluminum domes in place or have they been replaced with paper domes?....the aluminum dome with a fully charged magnet is where that "chime" tone character comes from.

If the speaker has been dropped or jolted around or constantly subjected to high temps, been near lightning storms....lots can happen in 50 years if you don't know where they've been.
THAT's where I was coming from.

Nice one, edge...