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Old 12th May 2019, 10:35 am   #26
Peter.N.
Dekatron
 
Join Date: Jul 2008
Location: Charmouth, Dorset, UK.
Posts: 3,601
Default Re: Why the use of American valves

Never got on with american valve nomenclature but I knew what all the common ones were. My earliest experiences were with 6SN7's and 6V6s and as my finances improved 6L6s. On the radio front the 0.3 amp radio range, 12 .... 25 and 35 .. and the weird, at the time 117Z4 that would run directly from the US mains for battery/mains sets

I seem to remember that early KB sets used Brimar valves, which is not strange as they were made next door, but I don't remember any others except English Electric perhaps

There were lots of equivalents for the much used EF91 was the US one a 6AM6? I know there was a Marconi Z77 and a Mazda 6F12.

Why can I remember that but not what I did 5 minutes ago?

Peter
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