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Did I damage my speakers?

Group,
Need your expertise: I own a pair of Vienna Acoustics Beethoven Baby Grand SE's.

I recently paired them with a new-to-me set of Bel Canto REF600M monos, which replace a Bel Canto REF500S dual mono stereo amp. My preamp is a Bel Canto Pre3VB with the battery power unit.

This weekend the tweeters and upper mids, vocals (mostly female), piano,  sound hazy, at times somewhat distorted, grainy. My listening level is typically between 60-75db. I don't push these speakers hard, but I'm also getting acquainted with an amp now giving 100wpc more than I'm used to. Recently I may have pushed these speakers a bit too hard, getting up into the 80db range a few times. Could I have over-driven the tweeters with this more powerful amplifier?

I've owned the REF600M's for about two months; until this weekend, never heard this kind of distortion/congestion at the top end. Doesn't happen on everything I play (mostly CD's). Before this weekend the sound has been wonderful.

I've had these speakers for almost 7 years and have never noticed something like this before.

Wondering how to troubleshoot this.

Thanks in advance for your insight/perspective.

J


arcamguy
cd318
2,636 posts
 
@arcamguy ,
Check connections and volume switches in case they’re getting glitchy.


I’d check all the connections and especially the volume switches.

Rotary ones can certainly get glitchy and affect the sound.

If all else fails, how about getting back to an Arcam amp.





millercarbon's avatar
millercarbon
12,531 posts
 
My listening level is typically between 60-75db. I don't push these speakers hard,

The understatement of the year. 60dB is not listening level, that is elevator background level. Tom Petty last night, now that was listening level! And guess what? No damage! You got other problems.

fuzztone's avatar
fuzztone
5,535 posts
 
Tweeters are rarely "damaged."
If they are injured at all it’s usually a burn out.
NO SOUND AT ALL. Not "distorted."
As corelli noted much less likely with more power. If you did not hurt your tweet before you did not now. It IS something else. Do the work.
fiesta75
1,378 posts
 
It's definitely not the speakers, but all suggestions are good. Check speaker connections first, both ends. I'm willing to bet it has to do with the preamp, battery problem, plug it directly into the wall outlet.
mglik
900 posts
 
I have the exactly described issue on vocals sounding “hazy and sometimes distorted”. This happens on fuller tones. Playing only vinyl, I think the issue is a mismatch between my cartridge and arm.
Your problem may be due to dirty power. Maybe...
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