Summary
Remote cut-off pentode designed for use as a radio frequency (RF) or intermediate frequency (IF) amplifier. 2.5 volt indirectly heated cathode.
Physical Description
Internal structure of an RF pentode valve with its bulb removed, but still with its top cap. American style 6 pin base. Mounted on a display block
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Mr S. A. Pick, 03 Mar 1941
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Manufacturer
Hygrade - Sylvania Corporation., United States of America, Jan 1933
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Inscriptions
Base: Hygrade/3/C Display block: PENTODE (Variable-Mu R. F.) Type 58/Hygrade, U.S.A./(Brief description)/Pres. by S. A. Pick
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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
115 mm (Length), 28 mm (Outside Diameter)
Not including display block
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Keywords