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.
Designed for service as diode detectors, AVC recifiers, and audio amplifiers in AC and DC operated receivers MFR: Sylvania SKU: 6R7 New old stock * No longer available for export.
Designed for use as a high-gain radio-frequency or intermediate-frequency amplifier in a radio receiver. MFR: Tung-Sol, Sylvania, Raytheon SKU: 6SK7GT New old stock * No longer available for export.
Gated beam discriminator suitable for FM and TV limiter and discriminator applications and section one of beam pentode for audio output services. MFR: Sylvania SKU:6J10 New old stock * No longer available for export.
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
