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In Reply to: Choices, choices. posted by Poindexter on July 20, 2006 at 16:02:40:
Poinz,A link to the most current EC schematic is provided below.
At this time, the only change I'm considering is replacing the "Rat Shack" filament trafo with a Triad VPS241800. The Triad trafo's 2X 1.8 A/12 VAC secondaries would provide for both heater power and the B+ boost Jim McShane recommends. The VPS241800 comes with some "baggage": an extra pair of ferrite beads and a change in the 'AQ5 bias resistor value to 350 Ohms.
Eli D.
Follow Ups:
Speaking of trafo subs, what is the secondary voltage of the Allied 6K27VF used for B- supply?
Eli D.
I was hoping you'd show up here.Listen, if you want to put E C up as a DIY article, I have lots of space on my server, at your disposal. You (or somebody) will have to exposit a rational, um, exposition, and arrange schems and photos, and like that. I can help you. We can put it up on the 'Projects' side of the site. At least then I'll be able to chew on your ankles more efficiently.
:^)
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