Keep and eye on the this thread. Mark has graciously provided unlimited thread edits and thus I'll be able to initiate what I can share now and, continually update in the future with new or revised capacitor information.
It's evident from the many restos I've done of vintage KLH speakers that the designers made, in restrospect, some bad decisions regarding crossover caps. I think most will agree, if one acquires a KLH-5 or 6 or 12, etc, the first thing they do is recap them as most contain those black caps with the red ends along with some brown ones with 3 wires exiting them. Those are the double duty caps. Well, those black jobs with the red ends fall into my catagory 'the uglies'. I believe all were made by t