[Amps] Grounded Screen 4CX1500B

[Ian White G/GM3SEK]

Shawn Tayler wrote:
>
>I had totally missed that.  The input circuits were right next to the 
>grid circuit and I had simply assumed.  Well how about that.  Hmmm, 
>very interesting.  Kinda burst the bubble for me.  I must be blind and 
>deaf.....
>
The problem is that everything about the 30S-1 is more weird than you 
think it's going to be.

It's a fascinating design, full of complexities caused by the decision 
to cathode-drive a tetrode. You have to wonder why they didn't use 
grid-driven, passive grid - or hadn't that been invented at the time?


-- 
73 from Ian G/GM3SEK
http://www.ifwtech.co.uk/g3sek