ADDAC System ADDAC601 Fixed Filter Bank w/ newer specs (black)

In the user guide, the band distribution is listed as 50 Hz, 110 Hz, 220 Hz, 500 Hz, 1.1 kHz, 2.2 kHz, 5.2 kHz, and 11 kHz. These seem to suggest center frequencies for each filter.

EDITED Nov 2nd 2023, 20:52

Additionally, it would be beneficial to know what type of filters are being used in this system.