Summary
Tetrode, intended for use as a radio frequency amplifier (Class A R. F.). Manufactured by Mullard in England in the early 1930s. Similar to Philips B262.
2 volt directly heated cathode.
Physical Description
Four pin USA UX style base, top cap missing.
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from G. H. Williams, 12 Jun 1973
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Manufacturer
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Inscriptions
Bulb: Fil volts 2/BVA/protected by patents/Mullard/PM12A/Max anode volts 150
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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
132 mm (Length), 48 mm (Outside Diameter)
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Overall Dimensions
133 mm (Length), 48 mm (Outside Diameter)
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References
[Book] Babani, Bernard B. 1958. International Radio Tube Encyclopaedia., 1958, 128, 129 Pages
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Keywords