buzz

Gray

Well-known member
what is it?
What is it? ......:LOL:
Based on the info you've given, we can say for sure that it's a 45 year old Sony amp that buzzes - for 30 seconds.

Seriously, you need to be a bit more specific.

Where's the buzz coming from, inside the amp or through the speakers?
Is the buzz only present immediately after power-up and at no other time?
What's the model, have you checked online / YouTube for answers?
Have you got some money ready to buy a new amp?
 
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Marcel Tzara

Active member
Feb 2, 2021
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The amp is a Sony TA - 1150 , the buzz comes from the speakers and is temporary for around 20/30 seconds. It is a constant sound for this duration only. After 20/30 seconds it suddenly stops and the amp performs without any flaw whatsoever.
 
D

Deleted member 2457

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The amp is a Sony TA - 1150 , the buzz comes from the speakers and is temporary for around 20/30 seconds. It is a constant sound for this duration only. After 20/30 seconds it suddenly stops and the amp performs without any flaw whatsoever.
🐝?
 

Gray

Well-known member
The amp is a Sony TA - 1150 , the buzz comes from the speakers and is temporary for around 20/30 seconds. It is a constant sound for this duration only. After 20/30 seconds it suddenly stops and the amp performs without any flaw whatsoever.
It's another one of those old amps with plenty of switch / control contacts - which often cause random problems. It's possible that your sypmtom is component related though.
One way or another it needs attention. You need to decide if it's worth it.

If you're going to continue using it for a while, might be worth putting a voltmeter across each of the speaker outputs - check there's no more than a few DC millivolts, to damage your speakers (though if it's a loud buzz, that won't be doing them any favours anyway).

A new (good value) amp might be a good idea.
45 years wasn't a bad life for the Sony (more than any new amp is likely to get).
 
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