need LM1876 mute mode and standby mode help - Page 3

AndrewT · 19th January 2012, 04:32 PM

to avoid the amplifier causing the pass through of the popping, you need the amplifier to go to mute as soon as power OFF occurs.
You don't need a delay.

The delay is needed at power ON.

tuhkam · 19th January 2012, 05:28 PM

I agree, the mute should start when I flip the OFF switch, but I thought the mute has to be held active also several seconds later - during the moment the poping sounds in the speaker.

19th January 2012, 04:32 PM	#21
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	to avoid the amplifier causing the pass through of the popping, you need the amplifier to go to mute as soon as power OFF occurs. You don't need a delay. The delay is needed at power ON. __________________ regards Andrew T.

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19th January 2012, 05:28 PM	#22
tuhkam diyAudio Member Join Date: Nov 2010	I agree, the mute should start when I flip the OFF switch, but I thought the mute has to be held active also several seconds later - during the moment the poping sounds in the speaker.

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