Sony Walkman WM-EX9 Personal Cassette Player "aa batteries" Questions

...I use it with the battery ( it has a square Sony propietory battery and can also be used with one AA battery with a small attachement part) , and does this also when plugged into the 1.5V ac

...in the past.Low volume sound on both the radio and the CD player.Using 1.5V AA batteries.Portable CD player-D-FJ61 Thanks Gerda Problem solved by trying another set of headphones. Thanks anyway. ...

...batteries but I am still getting static and in and out music....does my Walkman need to be repaired? FS393..are 2 AA enough? Please do a good cleaning off the head the rollers and the transport ...

what battery does it take and where do i buy one The WM-EX9 uses one AA battery, which should be available at just about any department store, drugstore, or supermarket.