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synthetic88
PostPosted: Tue Mar 16, 2021 10:04 pm 
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Joined: Mon Aug 20, 2018 11:39 pm
Posts: 4
When switching to Standby on my amp, recently I've been hearing 1-2 seconds of static/crackling noise. Is that something to be concerned about, or evidence that something serious is about to fail?
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synthetic88
PostPosted: Wed Mar 24, 2021 6:41 pm 
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Joined: Mon Aug 20, 2018 11:39 pm
Posts: 4
Yep, a tube went microphonic almost immediately after I posted this.
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simml8
PostPosted: Thu Mar 23, 2023 5:12 am 
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Thanks, synthetic88. This is exactly what I need.
fnf
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nathanez
PostPosted: Thu Jul 06, 2023 12:21 am 
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Joined: Thu Jul 06, 2023 12:18 am
Posts: 1
It occurs because your amplifier is receiving a steady source of voltage when it is turned on and operating. You disconnect the high voltage portion of the power supply by flipping the standby switch from On to Standby. A lot of energy is being released by this!
duck life
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