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HELP-Maggie IIIa's are crackling at high frequency

I have newly refurbished IIIa's. The refurbishing was done by a trusted third party tech. I noticed the high frequency once before when using my Nuera 3300pp integrated but only on ONE record so I chocked it up as a flaw in the record. But just this weekend I went up to a AR V70 power amp and an AR SP-6b pre and its more prevalent than ever. I am not a "loud" listener and I here this "crackling" on the high end of classical female vocalists the most. I have read that people push the maggies as far as to blow the fuses before they get any distortion. This amp combo sounds like it would blow me away but I can't hear past the distortion! Any advice would be awesome and much appreciated, Thank you.
sonorous1

Showing 2 responses by macdadtexas

macdadtexas
1,794 posts
 
sounds like teh tweeters are blown. Easy to replace if you contact Magnepan.
macdadtexas
1,794 posts
 
I didn't realize the amplification power you were using. I would say that the IIIa's need about 300w in 4 ohms to sound good, and more than that, good amplifaction, will sound even better.

A good digital switching amp form Wyred4Sound or Bel Canto, will amaze you.

Well, if the speakers really are OK.
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