>I just looked at RF Parts. They have a matched pair of 3-500ZG (3-500ZG
>RFP) for about $255. I think that they are Svetlana tubes.
I heard they are mfg. in China by prisoners.
>The price is
>excellent. Are these good tubes? They also had some Amprex but at a much
>higher price. How about Taylor 3-500s? Where are these tubes made?.
China
>A pair of these is even cheaper ($238).
>
>I understand that the graphite plates will dissipate more power.
not a good bet
> If one
>gets these tubes, does one increase the plate current to match the
>increased dissipation?
cathode emission is limited by the filament power. All 4-400A, 8163,
3-500Z use the same 5v/14.5A filament.
cheers, Jason
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
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