chas wrote:
> This frequency agile amp problem is not getting simpler that I can
> tell - I know now that I really do NOT want a solid state amp because
> the FETs like to blow out unless they have really good protection
> circuits and in that case, they just like to load fault to the point
> that they will not operate. but THEY ARE FREQUENCY AGILE!!!
>
> I picked up the phone and called the local amp mfr (Worthmore.com) in
> Tomball who builds SS amps for export only since his are not type
> accepted by the FCC. but he is working on that.
>
> Point of the discussion boiled down to the fact that he felt that
> since I wanted a TUBE amp with SS freq agility, that I should find a
> "K" model Henry with VARIABLE COILS and FIXED CAPS.
>
>
IF you want a tube amp with the agility of SS there is really only the
Alpha "auto tune"
The amps with roller inductors do have a bit of a learning curve when it
comes to changing frequency and bands, but they will go almost anywhere.
73
Roger (K8RI)
> sounds to me like the amps used in embassies and Naval Ships, etc.
> in the days of the BWD dipole, etc.<G>
>
> IS THERE ANYONE WHO KNOWS A MODEL NUMBER OF A HENRY WHICH WOULD MEET
> MY WANTS for an infinite 160 to 10m HF by setting the coils or
> bandswitch to the nearest band marking and then fine tuning???
>
> Please contact me off list since I am sure that most are not
> interested in this discussion. I figure that a recently used ~200lb
> Henry, legal limit, on the used market, would not cost much, if any..
> more than a Tokyo HPower, Alpha, etc.
>
> thanks for reading this.. and any replies
> 73 de chas - k5dam, Houston, TX
>
>
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
>
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|