Placid Audio Copperphone Lo Fi Dynamic Effect Microphone USA Made Mic. Ive owned this amazing beautifully engineered microphone from new and it has had very light home studio use only since then. Everything is in really excellent condition and the mic comes with its original paperwork. This Copperphone was made by Placid Audio in the USA in 2011. Check out the Placid Audio website and the user.Please see all the photos. There's a lot of information available online so please take a few minutes to independently check out the specifications, reviews and demos to see if it's right for you. Have a look at my other auctions! _gsrx_vers_1271 GS 8.3.4 (1271). The item "Placid Audio Copperphone Lo Fi Dynamic Effect Microphone USA Made Mic" is in sale since Monday, March 8, 2021. This item is in the category "Musical Instruments\Pro Audio Equipment\Microphones". The seller is "wedgefund" and is located in Basingstoke, Hampshire. This item can be shipped to United Kingdom.