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Vintage Television and Video Vintage television and video equipment, programmes, VCRs etc.

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Old 9th Nov 2019, 1:31 pm   #21
Join Date: Jan 2007
Location: Beckenham, London, UK.
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Default Re: Early Decca CTV 25.

No it is not the case that you need heated cathodes to produce X-rays, and many of the early X-ray tubes were 'cold cathode'. See for instance
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Old 9th Nov 2019, 1:32 pm   #22
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Default Re: Early Decca CTV 25.

Thanks for the information Glyn.

We sold few Bush CTV25’s and those were the early ones. The picture on the Pye/Ekco we thought was much better so we concentrated on those although we didn’t sell many of those.
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Old 9th Nov 2019, 5:38 pm   #23
Welsh Anorak
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Location: North Wales, UK.
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Default Re: Early Decca CTV 25.

Agreed - the Bush CTV25/167 didn't produce the best pictures - the reds seemed brick coloured for some reason. Although the Pye chassis became poorer as cost-cutting took effect in the Seventies, the original dual-standard and early 691 series gave very good results as did the Decca in this post, despite being a bit engineer hostile with its short interconnecting leads.
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