6973 | 6CZ5 Guaranteed Tubes for Sale - VivaTubes.com
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.
RCA 6973 Tube Adapter Sockets w/ 3 Pairs NOS Equivalent Tall Bottle Tubes for Valco Supro Magnatone | Reverb Canada
6973 | 6CZ5 Guaranteed Tubes for Sale - VivaTubes.com