The speaker impedance is 8 ohms, 0.5W. It's a small speaker. What do you mean by the transistor on the low side ? On Thu, Nov 5, 2009 at 2:36 AM, Jinx wrote: >> want to amplify the signal's current and feed it into a speaker. > > Dumitru, what is the speaker impedance and have you tried the > transistor on the low side (and without the 1k) ? > > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist