Golden Age Project R1 MK2 Ribbon Microphone The R 1 MKII is a high quality vintage style ribbon microphone Unique and natural sound that has been available in classical microphones like the RCA 44 and 77 Very well suited for the recording of most sound sources like vocals, acoustic instruments, strings, horns, orchestras and choral groups and many live sound applications 50 mm ribbon length ; 2-micron-thick aluminum foil; High SPL: 160 dB SPL (1% THD @ 1000 Hz) Includes travel case and mic cable