Summary
This valve was designed to be used as a detector, AVC rectifier and first audio amplifier in mains powered radio receivers.
4 V indirectly heated cathode.
Manufactured by Philips, Holland.
Physical Description
Conical glass bulb with gold coloured screening spray with loose top cap on large seven pin American style base. Top cap is held on with electrical tape.
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, 1981
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Manufacturer
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Inscriptions
Paper label on base: E454 Bulb: PHILIPS/E454/MINIWATT/25
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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
133 mm (Length), 45 mm (Outside Diameter)
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Keywords