[Amps] 3-500Z viable after long storage?

[Bill, W6WRT]

ORIGINAL MESSAGE:

On Mon, 10 Aug 2009 12:26:41 -0400, "Carl" <km1h at jeremy.mv.com> wrote:

>No seal is perfect however.

REPLY:

I'm wondering if some seals are better than others. Many years ago Tektronix
stopped making CRTs out of glass and went to ceramic because the seal was
better. I suspect the same applies to high power tubes. Nearly all "modern" high
power designs use ceramic. 

73, Bill W6WRT