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Ringing from the tweeter

Hello fellow Audiogoners,

First of all, I wish all of you a wonderful holiday season filled with great listening and beautiful music, and other joys.

Now to the question. I recently noticed a faint, intermittent ringing sound coming from the left tweeter. It's audible upon powering the system up, with both the volume control turned up or all the way down, although it appears more faint with the volume up. The only source connected to the line stage is the phono preamp on Aux, but the ringing is present on all sources selected. It does disappear when the mute button is pressed on the line preamp and seemingly gets lower as the system warms up, but never fully goes away.

The ringing does not appear to affect the sound when the record is playing, but I did not hear it before and the system has not changed. The system consists of a solid state phono preamp, tube line stage, and tube monoblocks.

What do you think could be the culprit? The power line? One of the driver or power tubes, or the worst case scenario, the tweeter? And how can I isolate the culprit?

Any opinions and suggestions are welcome. Thank you.
actusreus

Showing 1 response by actusreus

actusreus OP
733 posts
 
Al,
Thank you for your wishes and advice. It's greatly appreciated as always.

I was going to wait for a few days before switching the interconnects since I just wanted to listen over Christmas and not tinker, and the ringing continued until some time last night when suddenly it simply went away.

I just turned the system on and there is no ringing. I guess perhaps sometimes the best way to fix things is to wait and let them fix themselves...We'll see.

Steuspeed, you may be onto something there, so if the problem comes back, I'll just make sure the tubes are in their sockets firmly, with the system off.

Happy New Year!
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