Summary
79 twin triode. Twin (dual) triode designed for use as a zero bias class B power amplifier. With a plate supply of 250 volts, this valve could produce an output of 8 watts with considerably more efficiency than a class A amplifier of the same capability. 6.3 volt indirectly heated cathode at 600 mA. Equivalent to 6Y7G, manufactured by RCA, Harrison, NJ, USA, 1934.
Physical Description
Base type: American style (USS6 base) No. of pins in base: 6 Bulb shape: shouldered Bulb material: glass Top cap
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Unknown Acquisition Method from Unknown Source, 13 Sep 1978
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Manufacturer
Radio Corporation of America (RCA), Harrison, New Jersey, United States of America, 1934
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Inscriptions
Bulb: (illegible) Base:(RCA logo) / Cunningham / Radiotron / (pencilled) 79 Bottom of base: J9
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Brand Names
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Classification
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Discipline
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Type of item
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Overall Dimensions
113 mm (Length), 38 mm (Outside Diameter)
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Keywords