![Best Overall Pair) 6973 RCA NOS 1975 (42.4ma and 43ma) - Tube World Express | Rca, Tube, Gretsch electromatic Best Overall Pair) 6973 RCA NOS 1975 (42.4ma and 43ma) - Tube World Express | Rca, Tube, Gretsch electromatic](https://i.pinimg.com/736x/04/d8/5f/04d85f48c838129b72255c34f499c5d4.jpg)
Best Overall Pair) 6973 RCA NOS 1975 (42.4ma and 43ma) - Tube World Express | Rca, Tube, Gretsch electromatic
![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. 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.](https://media.rfparts.com/media/catalog/product/cache/1/image/9df78eab33525d08d6e5fb8d27136e95/6/9/6973_ge_1.jpg)
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.
![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 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.](https://media.rfparts.com/media/catalog/product/6/9/6973_rca_1.jpg)
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.
![2 NOS RCA 6973 Matched Pair - Grey Plate Vintage Vacuum Tube - Holy Grail for Supro Amps! | Reverb Cyprus 2 NOS RCA 6973 Matched Pair - Grey Plate Vintage Vacuum Tube - Holy Grail for Supro Amps! | Reverb Cyprus](https://rvb-img.reverb.com/image/upload/s--2Zj1zxro--/a_0,c_crop,h_0.645,w_0.860,x_0.030,y_0.279/f_auto,t_large/v1645675474/fv612uhpx9lentrpdqqk.jpg)