Summary
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.
Physical Description
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).
More Information
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Collection Names
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Collecting Areas
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Acquisition Information
Donation from Mrs M. Kennedy, by Feb 1986
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Manufacturer
Standard Telephones & Cables Ltd (S.T.C.), Footscray, Sidcup, Kent, England, Great Britain, 1951-1970
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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
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Brand Names
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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
75 mm (Width), 25 mm (Depth), 25 mm (Height)
Dimensions of box containing valve.
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Part Dimensions
56 mm (Length), 20 mm (Outside Diameter)
Dimensions of valve only.
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Keywords