Designed to function as a power amplifier tube in TV receivers. This tube is the same as a 6JS6 except for the heater characteristics and ratings. New old stock * No longer available for export. MFR: Zenith SKU: 21JS6A-ZEN
Designed for use as a horizontal-deflection amplifier in color television receivers. MFR: GE SKU: 36KD6 New old stock * No longer available for export.
Designed for intermediate frequency amplifier service in television receivers. New Old Stock * No longer available for export. MFR: Zenith, Sylvania SKU: 6EW6
Designed to function as a dampening diode in the horizontal deflection part of the TV receiver. MFR: GE, Philco, Capehart SKU: 6W4 New old stock * No longer available for export.
Designed to be used in radio receivers that use 12v in automobiles. MFR: Sylvania, GE, Delco, RCA SKU: 12DS7 New old stock * No longer available for export.