Re: [Amps] Sunset of old technologies

["Roger (K8RI)" <k8ri@rogerhalstead.com>]

I think it's a mistake to call stand alone rigs "using" SDR tech 
internally as SDR as we don't have access to control them as with true 
SDR rigs
73, Roger (K8RI)


On 4/21/2017 11:57 AM, Carl wrote:
> Maybe it is about time for the Chinese to get serious about entering 
> the HF side of ham radio from rigs to amps. They are already 
> manufacturing some Eimac type tubes with Eimac supplied tooling.
> Carl
>
>
>
> Subject: Re: [Amps] Sunset of old technologies
>
>
> > Mark,
> >
> > I think you are right about this, but the sunset of analog front-ends 
> > is happening
> > faster than the HF tube PA one.
> >
> > Price of late-generation analog transceivers:
> >
> > Kenwood TS-590SG, about $1700
> > Yaesu FT-991A, about $1500
> > K3S, about $2900 (assembled, 100 watts)
> >
> > Price of next-generation SDR radios:
> >
> > Icom IC-7300, about $1400
> > KX3, about $1900 (assembled, with 100 watt outboard amplifier)
> >
> > So we are already at a point where you can move to the next 
> > generation of transceiver design
> > without paying a huge premium for comparable performance. For about 
> > $1500, you can get
> > a seat in the game, and you won't find a new analog rig of similar 
> > performance for less.
> >
> > But what does the situation in HF amps look like?
> >
> > Price of tube-based amps:
> >
> > Ameritron AL-811H, ~600 watts, about $900
> > Ameritron AL-80B, ~800 watts, about $1500
> > Ameritron AL-82, 1500 watts, about $2800
> > ACOM 1000, 1000 watts, about $2800
> > ACOM 1500, 1500 watts, about $4000
> >
> > Cost per watt:  $1.50 - $2.80
> >
> >
> > Price of solid-state amps:
> >
> > Ameritron ALS-600, 500 watts, about $1400
> > ACOM 600, 600 watts, about $2800
> > Elecraft KPA-500, 500 watts, about $3000
> > Elecraft KPA-1500, 1500 watts, about $6000
> > ICOM PW-1, 1500 watts, about $4900
> >
> > Cost per watt:  $2.80 - $6.00
> >
> >
> > So it's still not practical to get the same performance *at the same 
> > price* from
> > solid state power amplifiers.  It will come, but it's not there yet.
> >
> > You can quibble with the choices of amps that I picked to make the 
> > point, but
> > I don't think you can refute the core argument.
> >
> > 73,
> > Cathy
> > N5WVR
> >
> > --------------------------------------------
> > Mark Hill <g4fph@mjha.co.uk> wrote:
> > > I think we are truly seeing the sun setting on valve HF PA and analogue
> > > front-end transceivers.
> > _______________________________________________
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> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps 
>
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