[ETO_Alpha] FS: Last 5 NEW-IN-BOX, never used 3CX800A7's

[William P. Osborne]

Has anyone on this list purchased samples of these tubes and if so
what was your experience?

Thansk bill, K5ZQ

"Jan C. Robbins" wrote:
> 
> Actually, these are the newer, much more robust 3CPX800A7's that Eimac
> recommends to replace the older 3CX's. The good news is: they're NO MORE
> EXPENSIVE than the older weaker model. I can still sell one for $300 +
> $7 to ship, two for $595 shipped fully insured anywhere in the lower 48
> (shipped internationally at buyer's expense).  But the bad news is: I
> ONLY HAVE 5 LEFT, and when these are gone I don't expect any more.
> 
> #CPX800's are the same as the older 3CX version,  but RATED FOR 3500 pv
> idle and 3250 pv full load, while the older ones were only rated for
> 2500/2250. You can actually get 100-200 more watts out of them if you
> run them at higher pv, but their real advantage for most of us is that
> in normal amateur amps they have twice the life or more of the 3CX.  I
> have retubed my 87A and two LK-800's with them and don't expect ever to
> retube again.
> 
> Don't miss your chance!  73, Jan N0JR
> --
> "There is no end to what you can accomplish
> if you don't care who gets the credit."
> 
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-- 
William P Osborne, PhD & PE
Dean Erik Jonsson School of
Engineering and Computer Science
University of Texas-Dallas
PO BOX 830688
Richardson, TX 75083-0688
Voice 972-883-2974
Fax   972-883-2813
email wosborne@utdallas.edu