Comments on: 2 x 12W Stereo Amplifier with TDA1521/TDA1521Q https://electronicscheme.net/2x12w-stereo-amplifier-with-tda1521tda1521q/?utm_source=rss&utm_medium=rss&utm_campaign=2x12w-stereo-amplifier-with-tda1521tda1521q Schematic Diagram & PCB Design Fri, 03 Oct 2014 03:22:28 +0000 hourly 1 By: luis https://electronicscheme.net/2x12w-stereo-amplifier-with-tda1521tda1521q/#comment-121873 Wed, 12 Oct 2011 22:25:33 +0000 http://electronicscheme.net/?p=392#comment-121873 those triangles are LM741?
and what is vi and vp?

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