I had a Studio Projects C1 Condenser Mic in storage for about 11 months. Since I was not using I decided to sell it to a friend. My friend has an mbox-2 pro interface and has been using a Shure Dynamic mic for his recordings. After plugging in my C1, we got no signal coming in. When then noticed that we forgot to press in the 48 Phantom power button. Once again no signal. I had this mic for over 2 years and it never gave me a problem up unitil now. Im wondering if it is his interface not actually powering the mic properly. My question is, where else can I test this mic? I dont have any other interface to test this with but I do have a Berhinger 4 channel mixer that I believe has 48 phantom power. Can I test the mic with my mixer and see if it works there? Is there anyway to really test the mic and rule out the interface not working properly? Any other idea to test the mic? Thanks!