[Amps] 3-500Z Tubes

[Joe Isabella]

Bee,
I highly recommend the RF Parts matched pair of 3-500ZGs.  They have a full one-year warranty,
with a pro-rated second year.  I have been running mine hard in AM mode and they're still pumping
out full output.

I actually just swapped them from my TL-922 to my recently acquired Henry 3K-A and they're pumping
out the RF!

Should be about $310 delivered to your door-step...

Joe,
N3JI

--- Bee Walton <k4jld at juno.com> wrote:
> The 3-500Z tubes in my AMP INT 3-500ZC amplifier are shorted between
> filament and grid.  There may be more wrong but this is a start.
> 
> Question.  What is my best source for obtaining the 3-500Z tubes?  Are
> Eimac tubes still available?  Do I want the ZG with the graphite anode? 
> Will the G require any changes in the amp?  Do I need a matched pair? 
> What about non-USA made tubes?
> 
> Thanks again,
> 
> Bee, K4JLD
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