>the idea of using a pot. as a switch was so that when changing sources i >didnt spike anything as >i might with a common switch. The 'spike' would just be an annoying sound, shouldn't damage anything. Another way to get rid of it which sometimes works is to put 1 megohm resistors between commons & signals. These tie the signal to ground when unconnected, stop it floating at some indeterminate level. Then just switch normally. >is there anything wrong with using a common ground for >the two inputs and one output They almost certainly have a common ground anyway, being signal connectors. OTOH, don't assume that the black lead to the speaker is the same as ground. It may be in many cases, I don't know common car audio topologies, but in some power amps it's not IIRC. Not that you're dealing with the speaker, but just in case later... ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com ----------------------------------------------------------------- To stop getting this list send a message containing just the word "unsubscribe" to [EMAIL PROTECTED]
