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  • Tags: Marconi. English Electric Co. Ltd

SC C180 Valve  No. 340(1).JPG
Twin Tetrode Type C180 Base: 7 pin, Chelmsford, England, 1954. Parallel Vinput 6.3 volts / Iinput 1.6 Ampere Transconductance = 3.5 A / V (Ia=30mA) Amplifier and Oscillator Max Va = 750v Ia = 90mA Amplifier Only Max Va = 600v Ia = 75mA
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