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This site is dedicated to the KB ITT Radios which were available in the UK during the 20th century
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Kolster Brandes, 274 "Kobra", 1931

The KB 274 Kobra with missing speaker diaphragm

The KB 274 Kobra chassis

The Kobra logo, what does it represent?

The KB 274 Kobra with its new diaphragm

Medium & Long wave, 3 valve,
TRF battery radio

Valves; 210HL HL210 PM2A

Battery supply; HT1&2: 60v 90v, LT: 2v, Bias: automatic

Dimensions mm; W=330, H=432, D=241

See the KB 274 "Kobra" in the Radio Museum

Schematic for the KB 274 "Kobra"

See the restoration of a KB Kobra radio


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 Last modified: 19-10-2020
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