Finally had the opportunity to properly test Cygnus the past weekend thru my 2 CLRs and 2x12 and with the band, so I'll report my thoughts.
Fenders are just unbelievable! I've played my buddy real 59 bassman several times and up until FW15 I never found the axe model to be really convincing in mimicing that particular amp.
With Cygnus it now sounds pretty much identical and has the same feel too.
I tried some mid-to-high-gain models and after a little tweaking they felt much more alive, VH4 blue and jcm800 in particular are sooo good.
I don't hear anymore that nasty "white noise like" sound underneath the main tone and the mid focus seems shifted towards more pleasant frequencies.
But there are some cons too, brought to me by this update:
I have a few patches where I use the Plexi 100W model which I can't make sound as punchy as with fw15.01, I lost that nice thump on palm mutes that was so easy to achieve with the previous firmware and I can't get it back in cygnus using just the basic controls.
Since this model is still not verified, I really hope the cause is a just a mistake that will be corrected in the next realease.
Or maybe that's just how it sounds and I need to tweak it more or look for an alternative model.
The problem is that I have a similar issue with the ac20 too, it doesn't "thump" as strongly as before, kinda feel more compressed.
And in general some amps seem to exhibit less "bloom".
I don't know, maybe I just had tired ears and need to try again with those amps.
What's sure though, is that this is, tonally, one of the biggest updates since I own a fractal device (6 years), meaning that I've never experienced such a huge change in tone between two consecutive updates. Maybe I just need to get used to it