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

Jan C. Robbins [email protected]
Mon, 14 Jan 2002 20:03:58 -0600


Hi Al,
The tubes sure will fit your 89 (I had an 89 before the 87A).  Here is an
unsolicited comment I got from another 89 lover like us; it should answer your
questions--

> Hi Larry & Jan;  Just thought i'd let u know the details when i installed
> the two 3CPX800A7's.  I found the best tuneup to be within 3 numbers of
the
> best tuneup with the 3CX800A7's on both the tune & load controls of the
> Alpha 89. And Jan ,the comparison is with two brand new Eimac 3CX800A7's
> that were just previously replaced.This was true on all bands. I also
found
> at max output 3CPX's had about 100 to 200 more output watts. This was
> progressively truer on the higher bands like 15 & 10. I actually got 2250
> watts output on 10 meters max.  At 1500 w. output everything is loafing.
> Even at the higher power with key down for a minute hardly any radiated
> heat.  Thx again larry for putting me onto Jan & thx Jan for the good
deal.

Many tks for the inquiry!  73, Jan N0JR

[email protected] wrote:

> Will these tubes fit my 89 Alpha. I don't recall whats in the 89, whatever
> Alpha sent, I am not at home qth now to look at the manual.
>
> 73
> Al
> W4ABW
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