30-07-2016, 09:11 PM
(30-07-2016, 09:00 PM)tiv48 Wrote: Something wrong here trevor i built one back in the day and it was ultra linear the layout looked nothing like the one you have there .
i may still have the original build instructions and circuit i will see if i can find it.
Rob T
Hi Rob.
The early versions were just Anode class A-B not ultra linear. What you see in the piccys is the mods with DC fed KT88 heaters, Grid bias and silicon HT. Its a total pigs breakfast.






