Check the listing for details. Alchemy Series TF29 Copperhead Tube Microphone. Condition: Open box. Listed at 1232.87 USD. The TF29 Copperhead is an evolution of the CU-29 Copperhead, an original Telefunken Elektroakustik design that garnered fans for its natural and non-hyped tonality and unparalleled "quality for price". The TF29 continues this reputation of outstanding sonic performance and value. It's a workhorse microphone, accurately and honestly capturing vocals, acoustic and electric guitar, drums, and nearly any source put in front of it.A New/Old stock American-Made 5654W Vacuum TubeA new/old stock American-made 5654W vacuum tube is featured in this original Telefunken Elektroakustik circuit design that garnered fans for its natural and non-hyped tonality and unparalleled "quality for price".An All-Brass K67-Style CapsuleAn all-brass K67-style capsule that accurately and honestly captures vocals,.