Dugz Ink Posted February 5, 2005 Report Share Posted February 5, 2005 My Washburn AB-20 acoustic/electric (depicted in my avatar) has an XLR out and a 1/4" out, and it has an on-board pre-amp (Equis II) that runs off of a 9 volt battery. The 1/4" jack is a TRS that has been wired to complete the 9 volt circuit when you put in a plug. The 1/4" jack has a crack in it, which causes intermittent problems, so I'm replacing it. But I was thinking: While I have the guitar apart and the soldering iron hot, can I set up the XLR jack to deliver phantom power to the on-board pre-amp? I have one of those cheap "Tube MP" mic-pres, which isn't a very good mic-pre, but it sounds great as a DI/pre for my acoustic/electric bass... and it can provide 48v phantom power. However, I don't know what would happen if I ran the phantom power to an on-board pre-amp that might be designed to only handle a 9 volt battery. Any thoughts, ideas, or recommendations? D~s Quote Link to comment Share on other sites More sharing options...
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