Wednesday 22 June 2016

Connecting Headphone Jack to Amplifier Help



I have this image that is for the amp I am using which allows you to add a headphone jack to it:


I have already hooked up the regular speakers and power to the amp, now I just want to add a headphone jack. It says to wire the grounds from both speakers together, then to the jack, and to wire the left and right audio points to it directly. Can someone explain what the "wire to internal speaker" points mean? I know it sounds simple, but for instance what are the arrows for? They look like diode symbols to me (I thought this because they could have easily done without the arrows).




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