API Bucket 1& 2

I/O Modules 1 through 24 (Bucket 1 and the first half of Bucket 2) are identical, with 212L Mic Pres at the Fader 2 Path input and 550L Semi-Parametric EQs.

I/O Modules 25 through 32 (the second half of Bucket 2) have no mic pres, and are equipped with 560L Graphic EQs.