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will a low 60Hz harmonic hum wear out my speakers?

Hi everyone,
I have what is most likely a noob question: I have a nice sounding system consisting of a digital source (newly acquired Oppo BDP 95), a Quad 99 and Quad 909 pre-amp/amp set and Usher tower speakers. The amp generates a continuous, low hum audible in the tweeters. It is only audible with the ear next to the driver, and not an issue in listening. I like to keep everything always on, which is the recommendation I got from Quad and makes sense (it also sounds a lot better to my ears then when turned on fresh and cold). All would be good, but I wonder: in time, will that constant hum wear out or age my tweeters? It is after all the equivalent of constantly playing them but at a very, very low volume. Is this a real concern, or am I being paranoid here?
The issue of what causes the hum and how to get rid of it has been discussed and explored at length without a solution. It is probably the fact that the Quad does not have much in the way of insulation and signal cleaning (built that way) and no amount of power conditioning (I tried) or outlet-plugged signal cleaners etc etc (tried them all) gets rid of it.
Thank you in advance for any advice.
roc_doc
roc_doc OP
55 posts
 
Geared4me, I saw the same review - I think it was the Stereotimes. It is very possible that Quad will automatically give you a response that is in line with their legal liabilities etc having to do with tested safety configurations. I would tend to trust Walter - he knows what he's talking about. I will try that again, but last time it did not abolish the buzz, sadly.
It seems that several folks are suggesting not to worry about said buzz, so I'll live with it if it doesn't go away.
stringreen's avatar
stringreen
6,372 posts
 
Al....I've been doing plug reversal for about 40 years with never having an "incident" as you suggest.
roc_doc OP
55 posts
 
Quick update: I remember why I didn't do the Quadlink and interconnects at the same time - makes the buzz a lot louder!
Damn it, now it's like an annoying puzzle. There is definitely something here that has something to do with the connections and insulation at the input-output area, no?
Does it mean anything that the left channel has a louder buzz, and the speaker connection to it is closer to the interconnect (and quadlink) connection area on the amp?
unsound
7,314 posts
 
Stringreen, FWIW, my Threshold manual specifically warns against doing what your suggesting.
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