Quote:
Originally Posted by old_tv_nut
If this is true, it's the first time I've heard of a design like this. Tube sets for years (and I thought hybrids also) put color difference on G1s and mono on cathodes. Then CRTs got unitized guns (common G1 for all three colors), and the color had to be matrixed into three cathode drives (R,G,B).
Edit: besides, TCA's schematic clearly shows fixed voltage on the G1s.
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I think it started on Zeniths in A or B line, 19-25". I think
the 14 & 16" used a triple triode & I dont remember where it was
mixed. Cant remember what others used it, been to long.
Maybe I will look at a few Sams tomorrow to refresh.
73 Zeno
