All-- New here. What prompted joining was the recent acquisition of what appeared to be an absolutely pristine pair of KLH Model Seventeens, in their original shipping boxes.  The cabinets and everything appear so untouched that I might have thought they were never used.  Alas, getting nothing from the tweeters.  So I will be rebuilding the crossovers, according to a couple very helpful threads here.  My question: I do get an impedance reading from the tweeters (which, I take it, indicates