Hello Everyone here at ACIs forum. I am new here , discoverd this forum while trying to contact ACI on the net. Back in the late 80,s I built many kits for my friends ordered from ACI. These included the Model C , S , G2 , Pulse subs and a Compact Monitor which I still use today on a daily basis ( the CM uses Dynaudio drivers , 17W75 woofers and D28AF tweeters. Its hard to believe its been over 20+ years! In any case , I removed the drivers today to see if the foam insulation had deteriorated and sure enough it had lost its consistency..so its time for replacement. I was wondering also if those polyprop Solens need replacing. There are three in all on the x-over board. One is a 20uf and the others are 7 uf each in a paralled config , just wondering why? My theory is that a final value of 14 uf was needed in the design and a single value was not available at that time..care to comment any one? Also does any one know the values for the coils an resistors? How can I increase the output of the tweeter..is that by decreasing the resistor values and if so which ones and by how much. This is a personal preference , seems I am losing my ability to hear some high freqs (lol) What is the x-over point?thanks Paul