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Update, with question:
I installed LTSpice on my Mac to simulate the circuit. My results indicate that the 'dip' is in the bass frequencies with the 10n caps used in the YBA-1.
![[Image: iFzuZZ5l.png]](https://i.imgur.com/iFzuZZ5l.png)
It becomes a mid-frequency dip by reducing the values of C2, C3, and R2:
![[Image: j4LZ6I9l.png]](https://i.imgur.com/j4LZ6I9l.png)
Am I simulating this correctly?
I installed LTSpice on my Mac to simulate the circuit. My results indicate that the 'dip' is in the bass frequencies with the 10n caps used in the YBA-1.
It becomes a mid-frequency dip by reducing the values of C2, C3, and R2:
Am I simulating this correctly?
