Summary
Output pentode for use in battery operated radios. Centre tapped 2.8 volt filament allowed operation from 1.4 volts in parallel with other1.4 volt valves or in series with other 50 mA filament current valves. Used as class A power output amplifier.
Physical Description
Sectioned tubular glass bulb with miniature 7 pin button base. Mounted on display block.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from J. C. Liddy, 06 Jul 1947
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Manufacturer
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Inscriptions
Bulb: (Illegible)VT174 (Note: VT 174 is the correct US military designation) Display block: Description and brief characteristics
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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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Overall Dimensions
52 mm (Length), 18 mm (Outside Diameter)
Dimensions not including display blck
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Keywords