Could someone take a look at their schematic and tell me what TT did with the grid on the 811A's ?? If they used a R/C circuit could you also pass along the values ?? Thanks Ed W3NR....73 -- FAQ on WWW: http://www.contesting.com/FAQ/tentec Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com