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"Making a audio valve" July HiFi News and record Review

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stonedeaf

Well-Known Member
The July Hi Fi New has a reprint( p124-127) of a article from their April 1957 issue that describes and pictures tube manufacturing -incl pics. I consistently find this magazine a education and therefore always interesting. The subject of Ken Kesslers monthly end page is vintage audio -AK readers might not agree with his conclusions !
 
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There are some good vids under similar titles, a couple of which are from the Mullard Blackburn factory.
 
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