Based upon the classic ‘47 that has been used on countless hit records for the last 50+ years, Warm Audio's WA-47 is a large diaphragm, large condenser, all vacuum tube, transformer balanced, multi-pattern (9) microphone. It's designed to deliver professional quality sound in pro studios, home studios, live performance, and broadcast use, providing top sound quality on vocals, acoustic/electric guitars, acoustic/electric bass, drums, piano, strings, brass/woodwind instruments, and a wide array of other sources. The classic ‘47 became extremely popular in the 1960’s and is now considered one of the greatest microphones ever made. It's still widely in use today in professional recording studios but has become extremely rare and expensive to acquire. The WA-47 answers the need for that classic sound, but much more within reach of a more extensive user base.Warm Audio uses quality components to ensure they're providing the best sounding product possible. The WA-47 is packed with top end components that are carefully sourced from many of the world's top pro audio component suppliers.Utilizing a custom adaptation of the vintage k47 style capsule that was used in the classic ‘47 microphone, the WA-47 is engineered with the same hole pattern and frequency response. Every Warm Audio capsule is built in the same small assembly house, in a clean-room environment, then packaged in its own protective case till the moment it's loaded into the microphone. Each capsule is visually inspected and electrically tested for quality.IncludesWA-47 MicrophoneWood boxPSUShockmountGotham 7-pin GAC-7 cableIEC power cableFeaturesWA-47-B-50v capsule is a true reproduction of the large, dual-diaphragm K47-style capsule found in the original U47 micTAB (AMI) transformer in the WA-47 is American-made with large-core German laminations and built to exacting standards as designed by Oliver ArchutPremium 5751 vacuum tube in the WA-47 delivers true analog tone with exceptionally low gain and self-noiseUltra-durable nickel-plated brass body with an updated headbasket shape adding additional space around the capsuleCarefully built 7 pin GAC-7 cable increases top end presence and the overall size of the recorded image in the stereo fieldSpecificationsCustom true '47 capsule reproduction (k47 style) - Model# WA-47-B-80vCapsule makeup: Gold sputtered, dual large diaphragm, single backplate, 6 microns NOS mylar (PET film)TAB-Funkenwerk (AMI) USA output transformerJJ Slovak 5751 vacuum tubeGotham 5 meter GAC-7, 7-pin tube microphone cableWima, Solen French, and Polystyrene capacitorsPolar Patterns: 9 patterns - Cardioid, Omni, figure-of-eight + 6 mixed patternsSelf-noise: 11dBADynamic range: 130 dBAMaximum SPL: 140 dBFrequency Range: 20 Hz ~ 20 kHzOutput Impedance: 200 ohmsRated Load Impedance: =2 kOhmsS/N Ratio: 82 dBAEquivalent Noise: 10 dBA (IEC651)External IEC grounded PSUTotal Weight: 9 lbs.Mic Dimensions (Ø x L): 90 x 254mm Warm Audio WA-47 Tube Condenser Microphone.