[Amps] The GU84B and GU78B tubes

[Carl]

Subject: Re: [Amps] The GU84B and GU78B tubes


Leigh wrote...

< snip >

> The 4CX1600A/B was a re-badged GU91B (a very fine linear SSB tube
> before supply totally dried up)

Not THAT fine!  Compare IMD numbers with an 8877 or 3cx800.

** Some actually believe that a -30 to 32 IMD is excellent!

> and that fabricated transmutation came about
> through the shenanigans and missteps of the ill-conceived and
> short-lived Svetlana US venture lead by entrepreneur
> George Badger to tap into the then vast repository stores of NOS
> surplus military stocks.

Don't blame W6TC for that!  Set your focus on Svetlana USA in Huntsville.

And I believe that some (many? most? all?) of the 4CX1600B's were actually 
made
to Svetlana USA's order, not just relabeled military stock.

** As I mentioned yesterday, they duplicated the Eimac anode design

Carl
KM1H


The 4CX800A's were
often (usually?  always?) relabeled milsurp.  Again, this are my beliefs, 
not solid
facts.

73,





George T Daughters, K6GT
CU in the California QSO Party (CQP)
October 6-7, 2012


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