[Amps] 3-500Z tube recommendations

Joe Isabella n3ji at yahoo.com
Fri Nov 12 06:02:13 EST 2004


Get the RF Parts tubes -- you won't be dissappointed.  I abuse mine in my Henry 3K-A and they just
keep making power.  The Taylors are the same tubes, but you won't get the extended warranty.  They
both have a 1 year warranty, but the RF Parts versions have a pro-rated second year and cost $20
more (at least that was the case when I got mine).  Honestly though, I'd probably just get the
Taylors if I had to do it again and save the bucks.  

Joe, N3JI

--- Jason Buchanan <jsb at digistar.com> wrote:

> 
> I am thinking about purchasing some new 3-500Z tubes for my Drake L4 - 
> just wondering what recommendations anyone had.  Currently the amp has a 
> pair of 3-400Z Amperex graphite tubes from 1968.  They work fine but one 
> glows a bit brighter than the other and I would prefer to have another 
> set anyway.  This requires the purchase of new chimneys so this will be 
> a two phased approach.
> 
> I made the mistake of buying some old 3-400Z tubes for it only to find 
> out that they had suffered a wee parasite...  so no more 36 year old 
> tubes for me!  Not unless they are properly tested beforehand!
> 
> So what does anyone/everyone recommend?  RF Parts comes to mind but 
> would like to hear the experiences of others who purchased from other 
> companies.
> 
> 
> Thanks
> 
> 73 Jason N1SU
> 
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