The DB4060/4062 series had five different loop assemblies.? Depending on the bandsplit (there are three) and whether the loop is used for high-pass/low-reject versus low-pass/high-reject determines which of the five loop assemblies is needed.? Or to say it another way, for any given bandsplit, two of the five loop assemblies are needed, one type for the high-pass leg and one type for the low-pass leg.

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If the OP will email me what model or frequency range the duplexer is as it stands, I can tell them what to do to convert it to ham band.? I can also provide loops to replace the ones that need to be changed; the trimmer caps are the same regardless so you just need to replace the loop itself.? I can provide cable lengths and other details as well.

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