Conn Corporation Strobotuner ST-4 Vintage Tube Tuner RARE w/MIC

GOOD CONDITION FOR IT'S AGE!FUNCTIONALThis vintage Conn Strobotune ST-4 is not only a great conversation piece and collector's item, but also a piece of guitar/music history. This classic tube powered strobe tuner was manufactured by the Conn Corporation in Elkhart, Indiana. These tuners were a professional standard for piano tuning, organ tuning, and precision instrumental/vocal music instruction in the mid-20th century.