21 Jul
2010
21 Jul
'10
8:09 p.m.
On Tue, 20 Jul 2010, Tony Duell wrote:
Or, sure there were coding schemes for CRTs that made snese. But I don't
think any manufacturer used the same code to cover both CRts and other
valves.
Which amkes sense. The important characteristics of a valve and of a CRT
are rather different.
-tony
Sure, but I don;t think any manufaturer tried to
include CRTs in their
valve numbering scheme. I remember the Mazda CRT code, it started with a
Of course they did, in their own way. Just have a look at the European CRT
numbering scheme, for example MW53-20, AW59-90, DG7-12. M=magnetic focus
TV tube, A=electrostatic focus TV tube, W=white phosphor, D=scope tube,
G=green(ish) phosphor; the first number is the diagonal, the second number