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Another one D_amp on tl494

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More powerful version. I think if connect such amplifier to 310V (certainly with galvanic uncoupling and some improvements in scheme) that will be else more powerful ).
Sound not bad, but if two tl494 chips are work together as on previous scheme, level of the hissing in pause is less (it seems for me).

Not so powerful version based on BJT (yet not tested) -
 
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overload protection subsystem -
 
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