Great on horns, guitars, etc. 3 patterns (uni-non-bi directional). 3 position tone selector. (M-V1-V2). RCA 77DX (used) Classic Ribbon Microphone Learn more Tube compressor/limiter. Beautiful on vocals, bass, kick, snare, vocals. Thick, fat gluey, add some depth and funk to the flat picture of Pro Tools. <BR>  <BR> Serviced, recapped, with a 3 month warranty. RCA BA6A Limiter (used) Tube Compressor/Limiter Learn more Tube compressor/limiter. Beautiful on vocals, bass, kick, snare, vocals. Thick, fat gluey, add some depth and funk to the flat picture of Pro Tools. <BR>  <BR> Serviced, recapped, with a 3 month warranty. RCA BA6B Limiter (used) Tube Compressor/Limiter Learn more <FONT face=Verdana size=2> <DIV>Great on guitar.</DIV> <DIV> </DIV> <DIV>Smaller than the 77, the BK-5 was designed primarily for the control room in AM, FM, and TV broadcast applications. Its frequency response was essentially flat from 50 to 15,000 cycles. </DIV> <DIV> </DIV> <DIV> <P align=justify>Its maximum pickup sensitivity lies on its major mechanical axis, and hence was called a uni-axial type microphone. A dual layer blast filter was mounted in the front of the ribbon to offer protection from extremely high sound pressure level noises.</P> <P align=justify>Like the 77D or DX, the rear side of its ribbon was coupled to an acoustic labyrinth having phase shift openings. This labyrinth gave the BK-5 its unidirectional characteristic. A matching transformer and voice or music response switch were also mounted in the body of the microphone.</P> <P align=justify>The BK-5 could be either mounted on a desk stand or hung from a boom on its special boom mounting adapter</P></DIV></FONT> RCA BK 5 (Used) Ribbon Microphone Learn more