Designed for service in the output stage of audio amplifiers where high output and low harmonic distortion are desired. New old stock * No longer available for export. MFR: RCA SKU: 45-RCA
Designed primarily for grounded grid operation in the input stage of broad band amplifiers. New old stock * New In Box * No longer available for export. MFR: Raytheon, RCA SKU: 58-Remote
Designed for use in resistance coupled circuits as a voltage amplifier or phase inverter New old stock * No longer available for export. MFR: RCA SKU: 6SL7GT-RCA
Designed for use in resistance coupled circuits as a voltage amplifier or phase inverter New old stock * No longer available for export. MFR: RCA SKU: 6SL7WGT-RCA