A couple of years ago I decided to replace the tweeters in my 6ks and three 5.5ks. I made this decision as the 6ks and center 5.5 were purchased used, and the 5.5k I used at the rears were purchased in 1998. I assumed this had to be a good move as I had already decided to treat myself to a full day of Marc Koval coming up to NC from Atlanta and tweaking my stuff. I bought the tweeters from my Florida dealer at "dealer cost" in consideration of my prior purchase history.
Less than a year later, I purchased used 8ks and asked Marc if I needed to replace the tweeters to ensure that the output/performance was the same as the ones he had recently installed. I was informed that any output discrepancy would be taken care of by DSP adjustment, and the tweeters were identical up and down the line.
He said at the time that other than "blowing out" or physical abuse, that the other problem over time was the fluid would "dry up". The "new tweeters" are by the same maker(SEAS) and were selected based on their sonic match with the prior model.
James NC1: 861v8, ID41, 218, 251(to outdoors), DSP8000SEUG, 7200SEC, DSP520 rears, Apple TV, DirecTV, Oppo BD103, QNAP251, Roon NC2-M7005, Triad Silver Speakers,Acurus Amps
FL1: 861v4, ID40, 218, MS200, DSP8000SEs, DSP7200SEC, DSP5000s, DirecTv, AppleTv, OppoBD103, QNAP469, Roon FL2: Marantz 7005, 251, M60s,60C,33s, Oppo BDP-93,MS200, Roon
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