[Amps] "10 Meter Ban" to be lifted ...

[dcoffman at iquest.net]

Bill,

Yes, I do care.  That was why I was trying to understand why 2 tubes would be 
used.  The only obvious senerio that I could come up with was that someone 
would be trying to run 4 or 5KW, not the senerio that you spoke of.

Thank you for the clarification.

Doug - N9XTF

Quoting Bill Fuqua <wlfuqu00 at uky.edu>:

> Not that anyone on the list would really care, but running two tubes at 
> legal limit should reduce
> the IMD products (Splatter) if they were biased correctly. Lower efficiency 
> but cleaner signal.
> Naturally, your transceiver would have to have reasonable IMD to take full 
> benefit of this.
> 73
> Bill wa4lav
> 
> 
> At 03:33 PM 10/12/2006 -0500, Robert B. Bonner wrote:
> 
> >You infact don't need to.  You do it to run illegal power.  DUH
> >
> >HOWEVER, a second tube will allow you to run lower power distributed across
> >two tubes for heavy contesting where mistakes could be made.
> >
> >I always thought an amp like a Henry 5K with 3CX1200's was a very contest
> >capable amp.  The 1200 is almost indestructible and a pair is bullet proof
> >at reasonable power.
> >
> >While the 3CX1200 is a bulletproof tube, if you crank up the plate voltage
> >near its maximum 5KV rating, you will run over the maximum 1200 watts plate
> >dissipation.  That's the only bad thing about that setup.
> >
> >"Give a guy more tubes and they'll just wind up the juice."
> >
> >BOB DD
> 
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