Скачать или смотреть Unboxing Mullard 6K8GT CV1946 Triode Hexode Frequency Converter

Unboxing a Mullard 6K8 GT CV 1946 triode hexode frequency converter vacuum tube. This valve is probably new but not in its original box (NOS New Old Stock). The valve base is a black international octal A08 K8A. The IO base does not have 'LICENSED ONLY TO THE EXTENT INDICATED ON CARTON' on the bottom as seen on many other valve bases. The valve has a top connection cap. The clear glass envelope has 6K8 GT printed inside a 'stop sign' with 4J3 underneath. Also on the glass is the Mullard logo, 6K8GT, W, the BVA logo, M. BRITISH MADE, the broad up arrow (British Government mark), CV1964 & T. Handwritten on the plain box is 6K8GT.

The type 6K8 GT has a heater filament voltage requirement of 6.3 volts & was first introduced in the1930s.

For more information on this valve:
http://www.r-type.org/exhib/aaa0088.htm (Brimar 6K8GT version)
http://www.r-type.org/exhib/abn0094.htm (Brimar 6K8GT version)
http://www.r-type.org/exhib/abv0070.htm (Tungsram 6K8GT version)
http://www.r-type.org/exhib/abx0007.htm (6K8GT version)
https://www.radiomuseum.org/tubes/tub... (6K8GT version)
https://www.radiomuseum.org/tubes/tub... (CV1946 version)
https://frank.pocnet.net/sheets/127/6... (Tung-Sol 6K8, 6K8G 6K8GT datasheet Pdf)
http://www.r-type.org/pdfs/6k8.pdf (RCA 6K8, 6K8-G 6K8-GT datasheet Pdf)

For more info on The Mullard Radio Valve Co. Ltd
https://en.wikipedia.org/wiki/Mullard
http://www.r-type.org/static/makemull...

Philips Factory & Date Codes
https://frank.pocnet.net/other/Philip...

American Metal Valves:
http://www.r-type.org/articles/art-01...

BVA The British Radio and Valve Manufacturers' Association
https://en.wikipedia.org/wiki/British...

For information on old stores part numbers:
https://frank.pocnet.net/other/Servic...

Vacuum tube, thermionic valve, electron tube
https://en.wikipedia.org/wiki/Vacuum_...

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Videoed on Wednesday, 24th January 2024 © Mike Fairman 2024 Worcester

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