07-27-2008, 02:12 AM
there is some good info posted on this same Zenith IF subject on the HVRA ( Houston Vintage Radio Association) website. ( "repair notes", link on their website!) Those old fella tube-tech radio restorers know their stuff also in Hou-Tx area!! click below to navigate their website. Those guys even restored the orig radio room of the old Battleship Texas that served in WW1 & WW2. Most probably retired NASA techs as well? ... heres the link:
http://www.hvra.org/
enjoy!!
http://www.hvra.org/
enjoy!!