My New Project ...
DB-350 (TLA-350)
using 3 x GU-50 tubes ,grounded grids schematic and power : 200-300 Watts
NEW ONE...
DB-600
using 2 x GU-72 tubes ,grounded kathode schematic and power : 400-600 Watts(P.E.P.)
EA2ENG
DB-600
using 2 x GU-72 tubes ,grounded kathode schematic and power : 400-600 Watts(P.E.P.)