> Does anyone know what RT510 is? the 5 in the number would appear to > indicate IF chassis, but it appears in audio chassis on pg 93 of the > manualin the resistance measurements. > > The caps are going to get replaced; I will be doing the "Mellow Cap" > improvement. > > 73 de John N5CQU RT510 is the 3TF7 ballast tube. It is on the IF chassis. 73, Barry - N4BUQ