I have just finished my first GetSetGo and am very pleased with the results. I am using 6AV5GA tubes and have read the forum entries relative to that version. My knowledge is pretty limited and I have some questions I am hoping someone can help me with.
In one of EWBrown's entries he says he used a 470 ohm resistor between plate and screen grid instead of the 100 ohm I have seen mentioned in other entries. I am wondering how the value is chosen and what effect it has.
He also mentions using 1K grid stopper on the output tubes. My understanding of the use of these is hazy--to prevent oscillation by the tube but what other effect is there. Am I right in assuming that it limits the high frequencies produced by the circuit? I get the impression that there is a benefit to using them all the time but is there a downside to doing so?
My apologies if these seem pretty fundamental but it would help me in furthering my somewhat limited understanding.
I would just like to add how pleased I am with what Shannon has done with his designs and these projects as well as the support he offers.
Thanks for any help with my questions.