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<blockquote data-quote="presb2k" data-source="post: 6944573" data-attributes="member: 621116">Sorry for the time lapse- its easy to just click your heels and move on to the next thing. The turn on delay module definitely does the job. Under these circumstances, the problem is NOT a ground issue as many around this forum and others have suggested.&quot;This thump is caused by the audio circuitry stabilizing when power is applied. Most amplifiers and source units have muting circuitry that lasts a couple of seconds to allow these fluctuations to subside before passing a signal. However, if the amplifier un-mutes before the source unit or any other accessory, you better watch out. Here are some things to try if you have turn on thump.&quot; - taken from the noise prevention site linked earlier.If youre not 100% sure that the delay between the amp(s) and eq is 2.5 seconds or less, cough up the extra 8 bucks and get the N-66a (adjustable from 0 to 30 seconds).&nbsp; Hope this helps someone- I definitely spent a lot of time trying to research my way to the fix.</blockquote>

[QUOTE="presb2k, post: 6944573, member: 621116"] Sorry for the time lapse- its easy to just click your heels and move on to the next thing. The turn on delay module definitely does the job. Under these circumstances, the problem is NOT a ground issue as many around this forum and others have suggested. "This thump is caused by the audio circuitry stabilizing when power is applied. Most amplifiers and source units have muting circuitry that lasts a couple of seconds to allow these fluctuations to subside before passing a signal. However, if the amplifier un-mutes before the source unit or any other accessory, you better watch out. Here are some things to try if you have turn on thump." - taken from the noise prevention site linked earlier. If youre not 100% sure that the delay between the amp(s) and eq is 2.5 seconds or less, cough up the extra 8 bucks and get the N-66a (adjustable from 0 to 30 seconds). Hope this helps someone- I definitely spent a lot of time trying to research my way to the fix. [/QUOTE]

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