[Amps] Ameritron AL-800

[Steve Thompson]

https://www.ampleon.com/products/extremely-rugged/75-v/ART4K0FX.html

But not the easiest retrofit 🙂

Steve G8GSQ

On 09/12/2025 08:37, Douglas L via Amps wrote:
> Has anyone created a work around to replace the 3CX800A7 tubes in the AL-800, the AL800H, Alpha, Ten-Tec and other amps that used this tube?
> Eimac versions are greater than $1500 and the Chinese subs, last I looked, were pushing toward $1000/tube. Machlett, Penta and the like are simply rebranded Chinese tubes.
> Medical pulls have largely dried up with MRI and other machines going solid state.
> Thus the tube pricing has gotten ridiculous.
>    Perhaps the only answer is going to solid state amps?
> 73,
> DougWA1TUT
> 
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