6C5 / 6C5G / VT65
The 6C5 Valve is a famous TRIODE with indirect heating IHT specifically conceived in 1935 by RCA for use in AUDIO Frequency. Various versions have been produced with both metal and glass casings and in the classic GT and G shapes. For the most part it has been used in the military environment, especially the metal version. The quality of this valve is EXCELLENT. Its successor was the Triode 6J5 = L63 (UK).
EQUIVALENCE: VT65 = VT65A = 6C5G = CV581= CV1649 AKA L63 = 6J5