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<blockquote data-quote="Per SÃ¸vik" data-source="post: 83722" data-attributes="member: 1285">Re: Monitor out noiseI took some new measurements, adding 70 dB of gain. With the analogue pot turned down, I could still hear nothing when monitoring the amplified signal, but there is a 5512Hz tone and a 11025 Hz tone that I could not hear while monitoring the gained signal. With the analogue monitor pot turned all the way up and the mains and a lot of other stuff turned up, changing scenes etc (no inputs) I could hear the tones as they stood out against the now very audible noise floor.[ATTACH]152146[/ATTACH][ATTACH]152147[/ATTACH]And finally, at 80dB of gain, the sound:<a href="http://www.x32user.net/phpbb2/download/file.php?id=34" target="_blank">http://www.x32user.net/phpbb2/download/file.php?id=34</a>I guess it proves that there is a noise there, and it would certainly be annoying if you connected your 160 dB line array rig to the monitor outs and stuck your head right in there (never mind you would go deaf once the music started playing), but for my purposes, my desk is silent enough by a huge margin. <img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":)" title="Smile&nbsp; &nbsp; :)"&nbsp; data-smilie="1"data-shortname=":)" />~<img src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f642.png" class="smilie smilie--emoji" loading="lazy" width="64" height="64" alt=":-)" title="Smile&nbsp; &nbsp; :-)"&nbsp; data-smilie="1"data-shortname=":-)" />~:smile:</blockquote>

[QUOTE="Per SÃ¸vik, post: 83722, member: 1285"] Re: Monitor out noise I took some new measurements, adding 70 dB of gain. With the analogue pot turned down, I could still hear nothing when monitoring the amplified signal, but there is a 5512Hz tone and a 11025 Hz tone that I could not hear while monitoring the gained signal. With the analogue monitor pot turned all the way up and the mains and a lot of other stuff turned up, changing scenes etc (no inputs) I could hear the tones as they stood out against the now very audible noise floor. [ATTACH=CONFIG]152146.vB5-legacyid=6360[/ATTACH] [ATTACH=CONFIG]152147.vB5-legacyid=6361[/ATTACH] And finally, at 80dB of gain, the sound: [URL]http://www.x32user.net/phpbb2/download/file.php?id=34[/URL] I guess it proves that there is a noise there, and it would certainly be annoying if you connected your 160 dB line array rig to the monitor outs and stuck your head right in there (never mind you would go deaf once the music started playing), but for my purposes, my desk is silent enough by a huge margin. :)~:-)~:smile: [/QUOTE]

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