I have an old headphone (Philips SHP1900) and it used to work fine, until the day which I accidentally stepped on it... Since then, when I listen to music, the instruments sound really loud and the voice sounds like it's far away.
First I thought that the problem was at the jack plug, but I replaced it and the problem persisted. Then, after a while, I figured this out: if the balance is in the middle the sound is wrong. When I set the balance all the way to the right, I get the right channel sound from both speakers; the same happens if I set it to the left (left channel on both speakers).
Well, I checked the whole cable, bending it to see if the sound gets back to normal if i bend it but found nothing. Next step then was to check the wiring inside the cups.
All the articles I read said that the if the left and the right wires are touching then all you're gonna get is mono. So imagine my surprise when I opened the left cup and founded that the green (left) and the red (right) wires are soldered together in the same spot...
I don't know what could be causing this odd behavior, or if the fact that the two wires are together could be the reason (I doubt it because they came like this and it used to work...).
Does anyone know I can fix this?
Any help is appreciated!