Designed to function as a detector in a large variety of circuits MFR: GE, RCA, Sylvania, Raytheon SKU: 12AL5 New old stock * No longer available for export.
Designed to function primarily as a horizontal beam deflection amplifier. New old stock * No longer available for export. MFR: RCA, IEC, Zenith, Tung Sol, Realistic, GE SKU: 17DQ6B
Designed to operate in radio frequency or intermediate frequency amplifiers in battery operated receivers. New old stock * No longer available for export. MFR:Standard Brand, Philco, RCA, Radio Television. SKU: 1U4
Designed to be used in relay and grid-controlled rectifier applications. New old stock * New In Box * No longer available for export. MFR: RCA, Westinghouse, Sylvania, GE, Tung Sol, National SKU: 2D21
Designed to be used as a video amplifier in low B+ TV receivers. HIgh plate dissipation and low interelectrode capacitance makes this tube ideal for use in TV video and other wide band applications.
New old stock * No longer available for export. MFR: Philco, GE, Raytheon SKU: 6HA6