johnny
37
I compared both and found some differences.
With an open filter, you can hear a difference between the two. The AK has more low frequency. Though not a massive amount.
But…playing a sustained note & sweeping filter 1 from open to closed…they sounded the same. I A/B compared and could not hear any difference.
The same when i compared the presets, which all sounded exactly the same.
My last test was to transfer one of my own patches from the A4 which used both filters, and I could hear a difference, which was the same low frequency boost. Strange really, since the presets are equal on both units. Unless they were programmed that way intentionally.
Nik from Sonic State mentions (AK Review video) that some tweaks we’re made to the filters. My guess is that it is only filter 2, after my experience comparing the filter 1 sweep.
Since there is also a difference when the filters are open, then something else must have been tweaked.
Im not sure the differences are worth upgrading to the AK alone though. I still use filter 2 to fatten up the bass.