6EM7 ( 6EA7 ) RCA NOS NIB Black Plates Labeled CM O Getter Matched Tub – Vacuum Tubes Treasures
6EM7 RCA radio amplifier tubular vintage electron audio vacuum tube valve 6EA7 | eBay
6EM7/6GL7/6EA7 Double Triode Tube. Section one diode is a medium mu vertical direction oscillator and section two diode is a low mu vertical deflection amplifier. MFR: RCA, Sylvania. SKU: 6EM7. New old