crackle and hiss in left channel during crack warm up

irish818 · 1215

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Offline irish818

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on: July 14, 2021, 10:41:33 PM
Anyone have experience fixing crackle and hiss in left channel during first five minutes upon powering on? checked inputs, senns, etc and isolated it to amp ....applied deoxit regular and gold to rcas and stereo jacks...still puzzled...all solders look good....usually is gone by second track on my denon direct drive tt


Offline oguinn

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Reply #1 on: July 15, 2021, 04:46:01 AM
Could be the tubes burning in. It might resolve itself after a while.

Jameson O'Guinn

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Main System: Schiit Bifrost MB, Rega Planar 6 with Exact cartridge, Eros 2, BeePre, Kaiju/Stereomour II, Jagers, Mainline

Desktop System: Crack with Speedball

Offline Paul Birkeland

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Reply #2 on: July 15, 2021, 05:07:49 AM
It's either a normal tube noise that may or may not go away with long term use, or its a solder joint that needs to be reheated and reflowed. 

Paul "PB" Birkeland

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Offline irish818

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Reply #3 on: July 24, 2021, 08:21:26 PM
ok ill give it awhile and see...thanks


Offline fung.chan

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Reply #4 on: July 29, 2021, 06:28:49 PM
Had this exact issue and it was driving me up the wall, to the point I would leave it for a week and come back to it!

It's a bad solder joint, I had to reflow and/or redo most of mine 4 times (even though they all looked good), then burn it in on a low volume overnight for it to disappear.


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