Summary
Two valves.The pentode section of these valves were primarily intended for use as an intermediate frequency (I.F.) amplifier and the diode section was used as signal detector in battery powered radios. The pentode section could also be used as the first audio stage. 1.4 volt directly heated cathode.
Physical Description
Valve #1: Internal structure of a valve made from metal and mica with a 7 pin button base. Mounted on display block with second valve. Valve # 2: Tubular glass bulb with 7 pin button base. Mounted on display block with first valve.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from L. Godden, 27 Apr 1951
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Manufacturer
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Inscriptions
Display block: Description and brief characteristics. Valve # 2: Bulb: Radiotron/MADE IN AUSTRALIA/1S5
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Brand Names
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Classification
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Category
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Discipline
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Type of item
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Part Dimensions
41 mm (Length), 18 mm (Outside Diameter)
Dimensions of valve no.1, excluding display block.
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Part Dimensions
53 mm (Length)
Dimensions of valve no.2, excluding display block.
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Keywords