Dynaco ST70 rebuilt with Welborne Labs ST70 rebuild kit

[Pelliott321]

6ca7 is a substitution and maybe kt77

[mix4fix]

https://www.tubesandmore.com/products/e ... rd-reissue

I saw the description saying it is the best for ST-70.

[Roscoe Primrose]

https://www.tubesandmore.com/products/el34-mullard-reissue

I saw the description saying it is the best for ST-70.

Order a quad and be done with it....

Roscoe

[Pelliott321]

Dougs tubes is a good source
call him and ask what he thinks
http://www.dougstubes.com/power-tubes/el34-kt77-6ca7.html

[Roscoe Primrose]

We're rapidly reaching analysis paralysis....

[TubeDriver]

I second this!

https://www.tubesandmore.com/search/node/el34?cats%5B0%5D=1&sort=price_low_to_high

Any recommendations?

These:

https://www.vivatubes.com/brand-new-tun ... uum-tubes/

Viva Tubes has better prices, very reliable dealer.

[SoundMods]

We're rapidly reaching analysis paralysis....

You're poet and don't know it.

[Pelliott321]

Ditto