6EM7 RCA radio amplifier tubular vintage electron audio vacuum tube valve 6EA7 | eBay
VinylSavor: Tube of the Month : The 6EA7
6EM7 SE Tube Amp - A Picture Build Log : r/diyaudio
(!!) 6EM7 Sylvania NOS 1960 era (1.5/55ma)
VinylSavor: Tube of the Month : The 6EA7
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