JVC RC-656 tape sound muffles

bobmonkhouse

New Member
May 30, 2020
8
2
3
Calgary
I've got a beaten up 656, somebody cleaned it up inside for me and changed the belts.
The radio and line-in work well but the sound when playing tapes is not good; it sounds muffled.
Does anybody have an idea if it's fixable, if it's the head to blame or could be something else?