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Electronic Valve - Brimar, Pentode, Type 6BR7, 1951-1970 Reg. No: ST 035927
- 6.3 V indirectly heated cathode, manufactured by Standard Telephones and Cables Ltd. Radio Receiver Valve Division, Footscray, Sidcup, Kent, England, 1951-1970. Brimar was the brand used by STC on receiving valves.
The 6BR7 is a sharp cut-off pentode designed for use in the input stages of audio amplifiers It has similar electrical characteristics to the 6J7 but is designed to have low hum, hiss and microphony.
- Tubular glass bulb on nine pin miniature glass button base with pin protector and with top exhaust tip. Valve is contained in rectangular red and black coloured cardboard box (original carton).
- Acquisition Information:
- Donation from Mrs M. Kennedy
|Dimensions:||56 mm (Length), 20 mm (Diameter)|
|Tagged with:||thermionic electron valves|
|Themes this item is part of:||Engineering Collection, Information & Communication Collection|
|Secondary Classification:||Vacuum Technology|
|Inscriptions:||Bulb: BRIMAR/(BVA logo)/6BR7/MADE IN/ENGLAND
Three sides of box: BRIMAR/RADIO VALVE/(BVA logo)
Other side of box: (warranty instructions and licence notice)
End of box: RADIO/BRIMAR/VALVE
End of box: BRIMAR/RADIO VALVE/6BR7
|Manufacturer:||Standard Telephones & Cables Ltd (S.T.C.), Footscray, Sidcup, Kent, England, Great Britain, 1951-1970|