David Martin wrote:I'm impressed Ecca... brave stuff!
Thank you but it's no big deal for me David, I've been an electrical engineer all my working life.
I'm not as 'in-depth' knowledgeable as Amanda with regard to grid bias etc but
one circuit diagram is very much like another.
I would add a caution to anyone attempting to build a valve amp whether from scratch as I did or as a kit though.
There are high voltages present that could potentially kill you many minutes after you've switched it off.