Designed for service as a high gain audio-frequency amplifier and is especially useful in resistance-coupled amplifier circuits in AC or DC operated equipment.
New old stock * No longer available for export. MFR: GE, Tung-Sol, Ken-Rad, RCA, Sylvania, Westinghouse SKU: 6SF5
Designed for use as a high-gain radio or intermediate-frequency amplifier. MFR: JAN CNU/ National Union Radio Corp. SKU: 6SG7 New old stock * No longer available for export.
Designed for use as a high-gain radio-frequency or intermediate-frequency amplifier. MFR: RCA, GE, Sylvania, National Union SKU: 6SH7 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: GE, RCA, Sylvania SKU: 6SK7 New old stock * No longer available for export.
Designed for use as a combined detector, amplifier, and automatic-volume-control tube in radio receivers. Manufactures RCA, Tung-Sol, GE, Raytheon, Sylvania,Philco, Westinghouse SKU: 6SQ7 New old stock * No longer available for export.
Designed to function as an audio output amplifier and FM detector in TV amplifiers MFR: Westinghouse, GE, Sylvania, RCA SKU: 6T10 New old stock * No longer available for export.