6V6GT SE schematic -need!!!

[CLS]

Is that R8 misplaced?
I suppose it should be in front of of the C to be an RC filter?

And is it better to add an small R between 6/8 of tube 1?

 

[AndreasS]

Any opinions of this topology?

And feedback?

Andreas

 

[simonov]

And feedback?

Andreas

What about it ?

 

[AndreasS]

I think, you're needing anything for degreasing of the output impedance.

regards Andreas

 

[Nihilist]

Simonov ,

I love your Avatar ! THAT'S DIY if I've ever seen it !




.......................Blake

 

[singh santa]

Another "Avatar" see attached.It works.?
SS

 

[Nihilist]

I'm talking about the picture under his user name , not the schematic .

What is the purpose of the second half of the 6sn7 in your design ? I'm a newb , but it looks like it doesn't do much of anything in the way of amplification . Perhaps provide LOTS of feedback ?


..........................Blake

 

[Yvesm]

Stop bothering about feed back

The only one in this amp is obtained by returning the cathode of the 6V6 to the LSP output !

Unless you consider that a cathode follower IS a 100% feedbacked stage . . . and yes . . . it is

<edit>
Oh ! Forgoten the unbypassed cathode resistor in the 1st stage.
The second half 6SN7 is here to feed the screen of the 6V6 wth some current.

Yves.

 

[joeyou3]

I will send you the schematic of 6V6 from my e-mail at joeyoy3@me.com upon request from the RCA Tube manual. All rights reserved.

 

[simonov]

Forums are quite the strange places. One can have a reply almost 4 years later

As my 300B amp is on hes way to be completed now, the help is a bit late. Anyways joeyou3 some more practice on a low budged design is never superfluous (the 300B amp isn't high budged either ), so I'd like to have your design. I'll send you a email. Thank you.