6973 SYLVANIA 6CZ5 PAIR OF VALVE FINAL TETRODE AUDIO JUKEBOX NOS/NIB
6973 - 6CZ5 Tube Substitution
Soliciting advice for my first design (push-pull 6973) | diyAudio
Electro-Harmonix 6973 EH Power Vacuum Tube | TubeDepot.com
Montgomery Ward 62-9033
6973 GE Beam Power Amplifier Tube. Designed to be used in hi fidelity audio amplifiers. New old stock. No longer available for export. MFR: GE. SKU: 6973-GE.