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2 Magnavox 6S4A Vertical Deflection Amplifier TV Triode Valve- BangyBang Tubes – St. John's Institute (Hua Ming)
6S4A Medium Mu Triode Tube. Designed to be used as the vertical deflections amplifier in TV receivers. MFR: GE, RCA, Sylvania. SKU: 6S4A. New old stock. No longer available for export.
6S4A Tube USA Brand 6S4 Vacuum Tube DL92 VT-174 N17 2P2 CV484 CV820 3S4 NOS | eBay