Atom Feed - Twisted Pear Audio Support - Topic:Power on pops - 20Twisted Pear Audio Support - Atom Feedurn:twistedpearaudio-com:AtomFeed:TwistedPearAudioSupport:Topic:Poweronpops-20:1Copyright 2024 Twisted Pear Audio Support2024-03-29T15:08:56Zhttp://www.twistedpearaudio.com/forum/Images/YAFLogo.pngForum Adminhttp://www.twistedpearaudio.comfeedback@twistedpearaudio.comPossumhttp://www.twistedpearaudio.com/forum/profile/25416-PossumPossumhttp://www.twistedpearaudio.com/forum/profile/25416-PossumYetAnotherForum.NETurn:twistedpearaudio-com:ftPosts:st1:meid26208:1Power on pops<table class="content postContainer_Alt" width="100%"><tr><td>From the LM4780's datasheet:<br /><br /><div style="margin-left:40px"><em>"In the typical application of the LM4780 as a split-supply audio power amplifier, the IC exhibits excellent “click”<br />and “pop” performance when utilizing the mute mode"</em></div><br /><br />But the Sympatico comes hardwired with muting off, and I get significant power off/on noise<br /><br />Anyone tried this to reduce power off/on pops by modding the Sympatico to enable muting on power on/off? There is a resistor marked 'RM' that could be removed to make muting switchable.</td></tr></table>2021-09-18T03:00:49-07:002021-09-18T03:00:49-07:00Possum<table class="content postContainer_Alt" width="100%"><tr><td>From the LM4780's datasheet:<br /><br /><div style="margin-left:40px"><em>"In the typical application of the LM4780 as a split-supply audio power amplifier, the IC exhibits excellent “click”<br />and “pop” performance when utilizing the mute mode"</em></div><br /><br />But the Sympatico comes hardwired with muting off, and I get significant power off/on noise<br /><br />Anyone tried this to reduce power off/on pops by modding the Sympatico to enable muting on power on/off? There is a resistor marked 'RM' that could be removed to make muting switchable.</td></tr></table>