Other Parts Discussed in Thread: TEST
I use Tas3251 to do 1.1 amplifier, one channel for woofer , another for tweeter. I want to use 2 EQ for treble and bass control. But I ever used EQ8 for bass shelf and EQ9 for Bass shelf, if I turn the Treble and bass up (＋6dB), then turn down the bass slowly, I found the sound volume get down a lot suddenly, then I turn down the treble to middle (0dB) , the sound volume back to normal. I think is shoud be something wrong , the treble EQ and bass EQ afect each other when it be changed.
Then I set Bass EQ in crossover EQ5 (Woofer), didn't find same problem, but I found a new problem: when I turn the master Volume to maximum , then turn treble to max also (＋6dB)， then I turn down the master volume slowly, when it be turned down 4 steps (like 6dB down), the sound output get down a lot suddenly.
So please can you help me to solve the problem above. How can i use EQ for BASS and TREBLE setting?