Octal (Int.Octal, IO) K8A, USA 1935. Filament. Vf 6.3 Volts / If 4.75 Ampere / Indirect / Specified voltage AC/DC. Description. Low mu twin triode, intended as series regulator in power supply circuits. 30W or 400mA per plate, 60W total. Hard glass bulb. The tube can replace two 6080s in parallel. Base is octal but housing is a large diameter.
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