I AM IN THE BEGINNING STAGES OF BUILDING AN HBR 16. HAVE TUBE SOCKETS IN,FIL.WIRED IN AND THE IF TRANS (ARC 5 85KC) MOUNTED. I GOT SIDETRACKED ON TWO OTHER PROJECTS, A BC 603 AND A RT 70, THAT I PICKED UP ON EBAY WHILE I WAS BUYING ARC 5's. 73 RAY N3XZV