6973 SYLVANIA 6CZ5 COPPIA VALVOLA TETRODO FINALE AUDIO JUKEBOX NOS/NIB
6973 TUBE -Experience Pure Analog Sound with our Premium Vacuum Tube for High-Fidelity Audio Systems – Big River Hardware
NOS RCA 6973 Black plate Matching Pair 1950's | Reverb Italia
6973 GRAY PLATE Westinghouse
6973 RCA Beam Power Amplifier Tube. Designed to be used in hi fidelity audio amplifiers. New old stock. No longer available for export. MFR: RCA. SKU: 6973.
6973 ELECTRO-HARMONIX
Electro Harmonix 6973 Platinum Matched Power Amp Tubes (Pack | Bax Music