I was thinking along similar lines, The AM3924, it's portable if you have an 18
wheeler ;) but i't one heck of a PA, two 4cx1500's in it, it can easily put
out 3 KW++ if it had a better power supply.
-------------- Original message --------------
From: <w5ba@charter.net>
> Chas,
>
> It's been a long time since I was a member of MARS (AAF5TVM in '67) but it
> seems
> like one solution might be to go through whatever the current requisition
> channels are appropriate to see towards obtaining an AM-3979 (component of
> AN/FRC-93).
> In civilian use this was also known as the Collins 30L-1. It would seem to
> offer a solution to your 1KW output requirement as well as something that is
> rugged enough for transport in field requirements.
>
> GL & 73, Gerald W5BA
> ---- schuetzen wrote:
> > kg7hf@comcast.net wrote:
> > > Hi Chas,
> > >
> > > Even removing the 160 meter requirement, it would make the ss easier, but
> still the $1/w unattainable in either ss or tube. Like Tom said, the filter
> board is really going to add up in price. Not only are the caps expensive
> (especially for one off construction), you have to have pretty beefy relays
> to
> switch in/out each desired filter. I've been referenceing the TL-2.5k, and
> part
> of the reason is that I am somewhat familiar with what is inside it. Nobuki
> Wakabayashi was very kind and helpful towards me when I embarked on a legal
> limit ss amp. My amp is not complete, and I am into it well over $2000. While
> it is operational, there are many necessary things that I have not put in
> which
> the commercial version has. Thermal protection, high/short swr protection,
> automatic band switching, the list goes on. On the converse side, I am
> running
> a bit better power supply than thp, I'm using a switching power supply that
> has
> a bit more voltage/current capability.
> > >
> > > 73's
> > > Paul
> >
> > I understand that but my point is that there simply is not anything out
> > there betwee 3.2 and 29 mhz portable for a kw+ for any price reasonale
> > to a volunteer and I think that includes both tube and SS.
> >
> > Almost all are less than 800W. Tom's ALS600 is still that, NOT 800W+
> > This MARS amp to be really popular is goiong to have to be a 1kw to make
> > it interesting enough for the affiliate to be willing to buy it. He is
> > going to want to use it for MARS at a max of 500W but also to be able to
> > go to Ham bands and work Dx with at least 800W.
> >
> > Really, this is so reminiscent of the discussions of the perfect
> > rifle... what it should be to be able hunt anything from prairie dogs to
> > Elk or moose. simply stated, there is no such thing as a single rifle
> > for all that different game anymore than I am going to find a single amp
> > for a reasonable price for continous tuning and 1kw.
> >
> > $2/W is more reasonable a price but that is a lot of months of
> > discretionary money being saved and being hit here and there for
> > repairing the plumbing, or the car, etc. Also, it is one thing to save
> > a thousand dollars but a multiple starts getting into shoulder shrugging
> > and trying to find something barely fits any requirement.
> >
> > We just may have to find some way to subsidize the purchase but first,
> > we are going to have to find what we want, being manufactured now.
> > Lets face it, we do not want to take a Quadra or an ICOM version of same
> > in the back of your mobile cross country while trying to operate it on
> > the road. And I doubt that any of those meet the band requirements
> > anyway. Have looked at so many specs in the last couple of months,
> > that they are confused in my mind. wish now that i had made up a
> > comparison chart before i started looking at models.
> >
> > Still, I really do appreciate your reply and time, kind consideration as
> > well as that of Tom and others on this reflector. I am not giving up
> > yet hihi
> >
> > 73/chas/k5dam
> > _______________________________________________
> > Amps mailing list
> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
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