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Just got Audible Illusions L1, but it sound harsh

I just got a Audible Illusions L1 preamp to replace my Rotel RC 1070. I can hear it is much more detail, it sounds more forward and bigger sound stage. But I also found it too harsh. Especially in vocal, the "s" sound is very loud and quite alloying. I don't have it in my RC 1070, but at the same time, it doesn't sound as musical. It is just like sing behind a curtain. I don't hear that detail, but also, those annoying "s" sound is "filter" out. Is it a characteristic of this preamp? Is there any thing I can do? I am using a Rotel RB 1080 amp. Should I try another preamp? Or try another amp?
gte357s
narrod
1,064 posts
 
It should sound anything but harsh. It may be time for a tube replacement.

Wendell
bwp
114 posts
 
Agreed, if you just got it you should replace the tubes so that you can keep track of the hours you put on them.
foster_9
1,638 posts
 
I just got a Audible Illusions L1 preamp to replace my Rotel RC 1070. Gte357s (Threads | Answers)
Have you given time to allow the unit and associated cables, all which had to be moved around, to settle in? It could be that with 24 hour a day play for a few days that the preamp and cables will settle in and the harshness could mellow out. How long has the preamp been up and running in your system untouched? If that isn't it, maybe a tube change is necessary, or maybe the L1 could be a poor match in your system.
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