[CQ-Contest] Alpha 87A Alpha Max
n0ost99 at gmail.com
Wed Oct 5 19:51:50 EDT 2016
So what amp that is comparable to the 87a is not expensive to repair?
On Wednesday, October 5, 2016, Charles Harpole <hs0zcw at gmail.com> wrote:
> 87a amps are cheap for a good reason. They do not age well. Own one only
> if you really enjoy fixing yours monthly, if parts can be found.
> Owner of two at same time, sold long ago.
> Note...... band change/tune too slow for SO2R, maybe $3000 is too much.
> 73, Charly
> > Alpha 87A's are pretty inexpensive now. I am not sure how it works
> > Alpha Max, I owned one with Alpha Max and it tuned very nicely. My
> > regarding this amp is that they are very expensive to repair if you send
> > it back to the manufacture so be cautious what you purchase.
> > John KK9A
> > Subject: [CQ-Contest] Alpha 87A Alpha Max
> > Date: Tue, 4 Oct 2016 13:47:09 -0700
> > Guys,
> > I'm about to buy an Alpha 87A, early production, without the Alpha Max
> > Firmware. That's the feature that provides auto tuning (as opposed to
> > recall of saved settings, which was how the amp was originally built).
> > Some questions.
> > 1) How useful is the Alpha Max auto-tune feature?
> > 2) The new owner of Alpha says the upgrade kit is no longer available. Is
> > there an easy way to add it? That is, are the chips generic? I'm guessing
> > that at least one of the two chips is an EPROM. Is it practical to buy
> > chips and copy the firmware from another 87A?
> > 3) Is it worth going to the trouble? I would use it for my high dipoles
> > for 80 and 40M.
> > Thanks and 73, Jim K9YC
> > _______________________________________________
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> Charly, HS0ZCW
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