Hello all, I humbly request the experience-based advice of this esteemed group.
Background:
I am working on a project, part of which involves completion of 1930s Push-pull trode PA deck for 80M - 10M. Notice I said "completion," not "construction." This deck already has the plate tank components, tube sockets, and neutralizing capacitors mounted on a beautifull black-wrinkle chassis & panel. The axis bisecting the holes for the tubes is parallel to the front panel, the plate tank air variable (split stator) is perpendicular to the front panel, and the plate tank coil (plug-in jack-bar style - actually I'll be using BC-610 coils, link-coupled to the antenna) is centered directly behind the plate tank capacitor, with its axis parallel to the front panel. What this deck lacks is a grid tank circuit, which I need to add. The tubes will be 812s or T-55s, and will be plate-modulated for 250 - 300W output.
Question:
What is the worse sin: lack of physical symmetry, or proximity of the gazinta to the gizouta? It seems that I'll have to compromize one or the other in adding the grid tank circuit, based on the present layout. The grid tank will be link-coupled to the exciter. Thanks for your assistance,
-Larry/NE1S

Reply via email to