Try TDA2030 instead of TDA2003. Worked much better for me some time ago. Nikolai ---- Original Message ---- From: Gonzalo Jim=E9nez Yamasaki Sent: Tuesday, August 29, 2000 18:02:34 To: PICLIST@MITVMA.MIT.EDU Subj: [EE]: Audio amplifier and pre-amplifier GJY> Hello All: GJY> I'm trying to use a voice chip (ISD1420) but I need more output = power, GJY> so I'm trying to use an output amplifier (10W max.)... Does anybody = have GJY> some GJY> schematic of one tested? (I used a TDA2003 but it didn't work well, = any GJY> tips?) GJY> I'm also trying to improve record quality, because using the sam= ple GJY> circuit, it gets lot of noise, any suggestion here? GJY> Thanks in advance, GJY> Gonzalo GJY> -- GJY> http://www.piclist.com hint: To leave the PICList GJY> mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.