> In the amplifier I am currently building, I will be using an
> electronically-UNregulated resonant-choke 1500V screen PS. The
> resonant choke is 9H//0.2uF and a filter C that is seemingly too
big.
> The logic here is that since both of my previous "plywood box" ugly
> amplifiers used electronically-regulated screen supplies -- which
> proved to be the most delicate part of the machine, something
simpler
> might be worth a try. Thus, extra filter-C is an attempt to
minimize
> voice modulation IMD. With luck, the result won't suck. If it
does, I
> will go to a higher tap on the transformer and electronically
regulate
> down to 1500V with the + floating regulator shown at
> http://www.somis.org/D-a-08.GIF cheerz
> end
Hi all,
pretty good experience with screen powersupplies for large tetrodes
with handles are built overhere with 3 single bridge rectified
powersupplies fed by 3 phases and paralleled at the output, very
stiff!
73
Peter
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