Designed to function as a power rectifier in AC or DC powered circuits. New old stock * No longer available for export. MFR: International Servicemaster SKU: 6Z4
Gated beam discriminator suitable for FM and TV limiter and discriminator applications and section one of beam pentode for audio output services. MFR: Westinghouse, GE, RCA SKU:6Z10 New old stock * No longer available for export.
Designed to function with one pentode as a video amplifier and the other as a sound IF amplifier, AGC amplifier, or sync separator. MFR: RCA, Sylvania, GE SKU: 6Y9 New old stock * No longer available for export.