SE UL EL84 design suggestion

[stephe]

is that because it s bad to use the same winding for the rectifier and the driver/outputs?

Roger

With a 6CA4 that isn't an issue as none of the high voltage connections are shared with the heater.

 

[Bandersnatch]

Stephek, I built that amp and loved it. Unfortunately it died, and was misplaced in a recent move. My thoughts were to try an EL84. There are a lot of EL84 amps out there, I am trying g to find a design that will work for me and my capabilities. I want a design that relies on current production tubes. Just because, I guess, I know NOS tubes abound.

Roger

You could also attempt this with the 6P15P russian tube. If you're not going to push B+ to where an EL84 is needed( as in the 6BM8 ) it should do fine. I have these running off a 300V smps with UL output Iron. No issues even at 12W dissipation per tube.

Douglas

 

[waltube]

This is the EL84 triode

 

[waltube]

So, I am thinking about building the Kegger designed EL84 SEUL

It has a double FB, one UL that is good
The other is Schade that for me is orrible
But if you want to reach a good results you need a good iron


Walter