Скачать или смотреть Unboxing An Ever Ready C50B HF Pentode Vacuum Tube

Unboxing an Ever Ready C50B screened amplifier HF pentode vacuum tube. This valve is probably new & in its original box (new old stock). The valve base is a black British-7-Pin, old M7A B7 & the valve has a top connection cap. The gold painted glass envelope has the Ever Ready logo, BVA logo & C50B printed on it in black. The B7 base has 541.4 & 4M5 printed on it.
Printed on the box is Ever Ready, REG D. TRADE MARK, MADE IN BRITAIN, the BVA guarantee, Copyright, Sold by, Ever Ready Radio Valve Co., Bowmans Place, London, N.7., EVER READY RADIO VALVE, EVER READY RADIO VALVE Co Ltd., RADIO Dept. of the EVER READY Co.(GT. BRIT.) Ltd.

A label on the box reads PRICES INCLUDING PURCHASE TAX., BVA, BRITISH RADIO VALVE MANUFACTURERS ASSOCIATION.
C80B 21/11 - C30B 12/2 - C70D 19/6 - C50 B 18/11 - C23 B 14/8 - C36A 26/10 - EL3 15/10 - C36C 21/11 - C50N 18/11 -C20C 9/2 - ECH3 18/11 - EF9 15/10 - EBC3 14/8.

On the both ends of the box is EVER READY REG D. TRADE MARK, MADE IN BRITAIN, RADIO VALVE TYPE C50B.

C50B is an Ever Ready code but a possible equivalent is a Mullard SP13C.

For more information on this vacuum tube:
https://www.radiomuseum.org/tubes/tub...

For more info on Ever Ready
http://www.historywebsite.co.uk/Museu...
https://www.gracesguide.co.uk/Ever_Re...)

Ever Ready Cross Reference Codes
https://mullard.org/blogs/news/those-...
http://www.radicalvalves.com/history/...

For more info on CV "Common Valve" part numbers:
https://www.valvecollector.uk/cv-valv...

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

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

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

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Videoed on Friday, 26th March 2021 © Mike Fairman 2021

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#UnboxingVintageElectronicComponents
Unboxing Vintage Electronic Components