I originally bought these from Langrex, but they haven't been used for a while. Tube 1: i = 15 mA, ii = 15 mA.
6X5GT CV574 KB FE STC BRIMAR BROWN BASE UK NOS VALVE TUBE
SCOBA USSR 6X5GT CV574 EZ35 Valve Tube NOS Boxed
MATCHED PAIR OF BRIMAR CV574 6X5GTY NOS BOXED
Bendix 5852 tubes valves (≈ 6X5GT) x 2 (AVO tested)
Matched Pair Brimar Foreign GZ32 CV593 Rectifier Valves NOS
Matched Pair Brimar Foreign EL84 6BQ5 Valves Tubes New Old Stock
