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Electronic Valve - Marconi Osram, Tetrode, Type KTW61, 1961 Reg. No: ST 032530
- 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.
- Shouldered glass bulb on octal base with 7 pins present with top cap. Bulb is cracked.
- Acquisition Information:
- Unknown from Unknown, 1981
|Dimensions:||114 mm (Length), 39 mm (Diameter)|
|Tagged with:||thermionic electron valves|
|Themes this item is part of:||Engineering Collection, Information & Communication Collection|
|Secondary Classification:||Vacuum Technology|
|Inscriptions:||Bulb: (illegible)/KTW61/MADE & PATENTED IN ENGLAND
Paper label on base: KTW61
|Manufacturer:||MO Valve Company, England, Great Britain, 1961|