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"Sizzling" tweeters at high volume?

I have my new SFC-1 tube amp (Svetlana El34) 50wpc. my speakers are ACI Sapphire II (Focal TK-120 kevlar tweeters)rated 15-150wpc, 90db with imp. of 6ohm. On some recordings (Live at the Greek, Tim Haggans...)snare drums, and trumpet would start to "crackle", at volume level past 12 o'clock. On other CD's it doesn't(Kind of Blue)
eldragon
dekay's avatar
dekay
5,596 posts
 
Dragen: Try listening to it in the morning, say around 10:30:-)
joliet11
6 posts
 
Probably cross-over damage. I remember something like this a couple years ago - it was a blown cap.
lindeman507bf
21 posts
 
Sorry to hear that, but "sizzling" is actual "ringing", asociated with Kevlar tweeters. Look to upgrade to III, with new driver and ScanSpeak tweeter. You will love it.
sedond
1,387 posts
 
the focal inverted titanium tweets should be a drop-in replacement - these tweets are what's in my meret re's, & i get no ringing, even at "head-banger" volume levels in a ~25x38 listening room... there was a cheap pair here f/s on audiogon last week...
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