>I said:
>
>"I have the following amplifiers: an Alpha 76PA (using 3CX800A7 tubes), an
>Alpha 76A, an Alpha 86, a home built 4-1000, a home built 3-1000, a Henry
>amp (I forgot the numbers), an Alpha 77SX, a Collins 30L-1, and a Swan Mk
>II. None of them use nichrome parasitic suppressors.
>
>Rich said:
>
>" But the 30S-1 reportedly did."
>
>Reply:
>
>Rich, the problem with getting old and having a number of amplifiers is that
>I sometimes forget what I have. My wife claims I have too much stuff. But
>your comment reminded me that I do have a Collins 30S-1 amplifier. It does
>not have parasitic suppressors.
** Vern Baumgartner, a friend who worked as an engineer at Collins Radio
told me that Ni-Cr alloy was used as a conductor in the 4cx1000A's anode
circuit.
> It has never had a problem with parasitics.
** I've never heard of a 30S-1 exhibiting any sign of instability. As
far as I know, this is unique.
>The only problem it had was when Fedex dropped it ...
- R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K,
www.vcnet.com/measures.
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