Axe-Fx III Firmware 25.00 Public Beta (Cygnus X-3)

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Cliff, correct me if I’m wrong but I think the modeled amp didn’t have the 0.68uf cathode bypass cap as well. This would take away some fizziness. I find it interesting you’re hearing more gain with the model, my real 1987x distorts WAY earlier on the dial than the modeled amp. I think it’s because my amp has the bright cap.

Mine sounds like this one:
 
Cliff, correct me if I’m wrong but I think the modeled amp didn’t have the 0.68uf cathode bypass cap as well. This would take away some fizziness. I find it interesting you’re hearing more gain with the model, my real 1987x distorts WAY earlier on the dial than the modeled amp. I think it’s because my amp has the bright cap.

Mine sounds like this one:

This YouTube channel is porn for plexi lovers ❤️
 
Think of this firmware as going into your local music store to try a bunch of really cool amps and plugging in after the guy before you has just finished playing, all the amps have his settings , what would you do if the bass was too high or there was not enough gain ?
Would you call the salesman and say this Mesa sounds like crap and I think it’s broken
Or would you turn knobs ?

Serious question
The difference is it’s your presets changing so you know the stuff better than random amps at a store.
My analogy involves a spirited nephew getting into my music room and playing DJ with my pedals and amp knobs….. beat it kid!
 
Yes, Bright Cap/Switch is a must for AC/DC ;)
Like I wrote I increased the presence from 2 to 5 in FW25b. In FW24.05. that was not necessary, 2 was enough.
I compare the same amps like in this preset before always with Bright Switch On. Refer to attachment with FW24.05, Scene 4 (1987x) and 6 (1959SLP)
Ah, I see. Sorry! I must have misunderstood your original post
 
My 1987x from the 1990s had a bright cap.
My 1987x bought new from 2010s also had a bright cap.

The interesting fact was that I A/B’d with Axe’s model and liked more the sound of the model. Exploring the parameters I found that it was related to the bright cap being off by default on the model.

Ended up removing the bright cap of my 1987x real amp to sound “better” (to my ears) and more usable as a pedal platform for a broad range of tones and volume levels.
 
The 1987X model is based on a reissue 1987. It doesn't have a bright cap. Use one of the Plexi 50W models for the vintage sound of a 1987.

Introducing the Fractal Amp Vault Club(TM).

For a mere $10,000 annual membership fee, exclusive Club members can select three amps per year from the FAS Amp Vault to be shipped to them for one month to compare to their own amp(s) and Axe models. If a club member can prove an error or bug (not just "it sounds different"), they get their fee refunded and their favorite Amp modeled. If however they have previously complained and can't find any issues, they lose all privileges to complain about any FAS amp model.
 
Initial impressions on my main amp, a Plexi 100W Jumped:

Settings
  • Definitely requires re-adjusting settings with an open mind because the changes are substantial.
  • Had to turn the gain up quite a bit.
  • I turned the Normal channel up more, relative to the high channel. Normal channel is adding more body and less mud than before.
  • Negative Feedback: on prior firmware, I had turned it up to 5.23 (purely on what I thought sounded/felt good, not authenticity). New default is 5.30.

Tone
  • Overall very substantial change to tone and feel.
  • More clarity. Tighter, more focused / less smear, especially the lows. Better string separation.
  • Mids are punchier.
  • Feels like there is a more solid core that each string is producing. Easier to dial in a nice beefy tone with less fat.


So far, I am loving it! This firmware is scratching an itch I couldn’t quite get on the previous firmware.

P.S. I made sure I set any advanced parameters I had manually tweaked to the same values after amp reset.
Just took my shiny new Plexi tone to practice and found that my guitar became weak and disappeared when everyone else was playing. I had committed one of the classic blunders: dialing in too much gain at home. I take back what I said about needing more gain.
 
Loaded up, ran through the amps, some needed a few adjustments (nothing too drastic). Found no bugs or glitches, Definitely a different flavor of sound, but fresh. I'm digging it so far. Thanks FAS!!!
 
Just took my shiny new Plexi tone to practice and found that my guitar became weak and disappeared when everyone else was playing. I had committed one of the classic blunders: dialing in too much gain at home. I take back what I said about needing more gain.
Gain is usually not the culprit, but a lack of mids ( usually... and I play with absolutely ridiculous amounts of gain... LOL )
 
This might be psychoacoustic, but anybody else feels like changing the BMT values on some amps is also affecting the amount of gain? (Not talking about the Mark series where this is kind of the intended behaviour) I spent some time with the SLO and CCV so far and found this to be the case, but not sure if I am just hearing things that aren't there.
 
This might be psychoacoustic, but anybody else feels like changing the BMT values on some amps is also affecting the amount of gain? (Not talking about the Mark series where this is kind of the intended behaviour) I spent some time with the SLO and CCV so far and found this to be the case, but not sure if I am just hearing things that aren't there.
Hi @FractalAudio

the "Bright" slider in the revv gen red 3 add gain like the shred mode of a jp2c (in a way), is it a normal behavior?

I have ask a similar question in this topic not about the BMT but sliders and got no answers
 
Introducing the Fractal Amp Vault Club(TM).

For a mere $10,000 annual membership fee, exclusive Club members can select three amps per year from the FAS Amp Vault to be shipped to them for one month to compare to their own amp(s) and Axe models. If a club member can prove an error or bug (not just "it sounds different"), they get their fee refunded and their favorite Amp modeled. If however they have previously complained and can't find any issues, they lose all privileges to complain about any FAS amp model.
$10k is a bit steep, does this include an assortment of groupies shipping with the amp?
If not, just ship me Alex or Geddy with the amp, that'll do nicely.
 
This might be psychoacoustic, but anybody else feels like changing the BMT values on some amps is also affecting the amount of gain? (Not talking about the Mark series where this is kind of the intended behaviour) I spent some time with the SLO and CCV so far and found this to be the case, but not sure if I am just hearing things that aren't there.
Yes i think it can it does in the real world sometimes to take a Bogner XTC for example the bright switches affect gain as does the mids
Same with FRYETTE there he applies more gain on the high notes above the 12th fret when the edge switch is engaged
I used to simulate this with Leon’s pitch follower trick that added a bit more gain to the higher pitched notes
 
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