Before I purchased my Dunlavy SC-V signatures, I contacted their national sales mgr, or, used to be. he directed me to Madisound in Madison WI. You could also contact Speakercity.com for the parts you need from Vifa. I must say I was pleasently suprised at replacement parts costs!
I had a tweeter blow out in one of my Dunlavy VIs a few months ago. I also called Audio-Video Logic. Very nice people but they told me all remaining parts were being held for customers who had purchased Dunlavy Speakers from them after Audio-Video Logic had bought out Dunlavy's remaining inventory. He directed me to "Madisound" in Wisconsin. They had the Vifa tweeters I needed and the price was very reasonable. Their website is at: madisound.com. I replaced both tweeters very easily. Good as new.
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