Floorstanding old 1990 Sony SS-U501 Speakers, you can see them here:
https://www.ebay.com/itm/202221328292
The bottom woofer is just for show, foam only, OK, I realize these are not considered great speakers but I've stuck with them because even with a low grade $200 Sony MHC-GX450, it sounds good to me, clearly I am no audiophile but if these speakers are going I would like to learn what could be a modern equivalent in terms of power and clean sound.
It is 8 ohms at 270 watts, does that mean 270 is the peak, I think the woofer is 12", not certain modern speakers are even made in that size but if I have to replace them, what could be a sub $500 replacement and sub $1000 replacement?
Finally the original question, are they dying, this is happening to one speaker, you get like a sort of echo, faint but noticeable on dialogue for tv/movies and fm radio announcers etc. But here is the odd thing, I take the speaker cover off, manipulate the foam with my hands and the echo interference is gone, in the past month this echo effect has only happened twice and each time I just move the foam, goes away, magic, coincidence, some build up of what??? I don't know, luck, who knows, this whole thread is a longshot because I realize that many factors could be causing such interference including possibly a neighbor's wifi, but I'm just throwing it out there in hopes somebody else has dealt with this.
Also part of the foam covering has broken away and I don't know if that is influencing things but this echo effect is so isolated, I'm not even certain an echo is the right word, kind of like each word is elongated at the end in a hiss type fashion.
Thanks for your time and help.