Hi everyone! I recently get a TPA3116d2 audiobah clone from YJ and looking at the input stage I see a lot of changes from TI design, not just a 1uF series condenser...anybody knows why? I'll try to move a small sub with this board in pbtl and 24 V in.
Thx for you time
Thx for you time
Hi, It seems that the sub channel has active filter, designed with TL074 quad op amp.
In my board the frequency response for sub is crap. Peak is @100Hz, then -6dB@200Hz (these are ok) BUT -4dB@60Hz.
In my board the frequency response for sub is crap. Peak is @100Hz, then -6dB@200Hz (these are ok) BUT -4dB@60Hz.
That's a lot!!! But, the board is different from mine, I don't have any operational filtering at input, only passive components....
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