SEARS 57-6591 Rebadged Turner 500 Dynamic cardioid microphone – Made in the USA
The Sears 6591 (and related 6592) is a mid-1960s, rugged dynamic cardioid microphone. Polar Pattern: Cardioid (Unidirectional). SEARS 57-6591 Microphone. The6591 has a fixed 20-foot cable, the6592 was the version built with a detachable cable—mirroring Turner's exact product lineup.