phone Speaker Project

Discussion in 'General Electronics Chat' started by Kadmos, Mar 19, 2005.

  1. Kadmos

    Thread Starter Member

    Mar 15, 2005
    I made a cable which at one end is connected to the internal speaker of the telephone.The other end i put a jack (mono),but when i connect the jack to my line in ,the sound is screwed.i checked the cable and is ok.(with multimeter).What could i do for that?If i connect the cable to headphones or to a spekaer alone it is ok.What should i do?the polarity is ok,checked.