[CQ-Contest] NCJ Topic: Peace Dividend

[Jeff Maass]

Bob:

Because it costs $135/pair for the tetrodes in my 
Alpha 91b amps. What triode has a similar replacement
cost for 1600W of plate dissipation?

And, as it happens, my club owns a Ten Tec Titan II.

73,

  Jeff Maass  K8ND

  Caribbean Contesting Consortium - PJ2T
        http://www.pj2t.org
http://home.columbus.rr.com/jmaass/Radio/PJ2T_Aerial.htm
  

> -----Original Message-----
> From: R Johnson [mailto:k1vu at tmlp.com]
> Sent: Sunday, March 21, 2004 9:53 PM
> To: jmaass at columbus.rr.com; PaulKB8N at aol.com
> Cc: cq-contest at contesting.com
> Subject: RE: [CQ-Contest] NCJ Topic: Peace Dividend
> 
> 
> Yes, but in this day and age, why would you want to run a Tetrode if you
> could run a Triode (unless you're CW only) ???
> 
> With all of the Svetlana tubes available, I would be looking at 
> their 3CX series.
> 
> 73
> Bob, K1VU
> 
> At 19:22 3/21/2004 , Jeff Maass wrote:
> 
> >The Svetlana 4CX800A is the most cost-effective 
> >full-power amplifier solution around, with a new 
> >tested pair available for under $140 and capable
> >of 1500W output all day 160 - 10. There seem 
> >to be enough of them to keep us all running for
> >the foreseeable future.
> >
> >OTOH, the coming of free markets means that
> >Svetlana has had opportunities to screw up as
> >well, and they've taken advantage of it. The
> >4CX1600B was produced specifically for the
> >Amateur market, and Ten Tec, Emtron, QRO Technologies,
> >and Alpha/Power designed amps around them. There
> >was an amp project in the ARRL Handbook. And then 
> >Svetlana stopped making and shipping these tubes! 
> >There is no "second source" producer, and although
> >Svetlana says they'll be making more "Real Soon Now",
> >it hasn't happened. I, of one, am not holding my 
> >breath.
> >
> >The Svetlana GU-91b is a "sort of acceptable" 
> >replacement for the 4CX1600B, requiring a bit more 
> >cooling air and a different sized chimney. Unfortunately, 
> >it's hard to find one of these, too!
> >
> >
> >73,
> >
> >   Jeff Maass  K8ND
> >
> >  
> >
> > > -----Original Message-----
> > > From: cq-contest-bounces at contesting.com
> > > [mailto:cq-contest-bounces at contesting.com]On Behalf Of Bill Turner
> > > Sent: Sunday, March 21, 2004 3:37 PM
> > > To: PaulKB8N at aol.com
> > > Cc: cq-contest at contesting.com
> > > Subject: Re: [CQ-Contest] NCJ Topic: Peace Dividend
> > > 
> > > 
> > > On Sun, 21 Mar 2004 10:54:24 EST, PaulKB8N at aol.com wrote:
> > > 
> > > >- What are your experiences with Russian and/or eastern bloc 
> > > tubes and parts?
> > > >
> > > >- Does any of your current equipment utilize these items?
> > >
> >
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>