Pre Amp with Boost

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Suraj143

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I have made a tone control preamp for my TDA7375A chip.It consist with a bass boost.I have noticed the boost does not effect a noticable different when boost ON/OFF.See the simulated graph.May be my speakers does not respond it..Any idea?

My speakers-Philips BTD7170

Speaker drivers
5.25" woofer
Loudspeaker types
Dome tweeter
Main Speaker
2 way

 
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Sorry for this delayed post, I was away. The links on the other side of the world to schematics are gone. They should have been attached here.
It is probably not the boost opamp clipping in my circuit, it is probably your power amplifiers that are clipping.

My boost circuit boosts bass +14dB that needs 25 times more power (!) from the power amplifiers.
My amplifier has plenty of extra power to do it without clipping and my speakers survive.
 
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