Thanks for the reply. Is there any way to set these with a multimeter? My meter can measure voltage or current frequency if I can get to the solder joints underneath. If so, would it be set for the highest freq? Or maybe a voltage setting would be more appropriate?

Failing that, Maybe I'll snug them all down clockwise, then attempt to get them at least all in the same ballpark...1.25 turns...haha..

Thanks again for your help. Much appreciated!