Summary
Remote cut-off tetrode designed for use in the RF and IF stages of radio receivers. 6.3 volt indirectly heated cathode, manufactured by M.O. Valve Co. England.
The KT in the type number indicates that this is a so-called 'Kinkless Tetrode' where pentode-like characteristics are obtained by the use of suitable screen grid to anode spacing and beam forming electrodes. The W indicates that it is a remote cut-off type.
Physical Description
Shouldered glass bulb on octal base with 7 pins present with top cap. Bulb is cracked.
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
Bulb: (illegible)/KTW61/MADE & PATENTED IN ENGLAND Paper label on base: KTW61
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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
114 mm (Length), 39 mm (Outside Diameter)
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Keywords