Axe-Fx III Firmware 24.01 Release

FractalAudio

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Fractal Audio Systems
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[EDIT] Link removed due to Delay block bug [/EDIT]

Fixes a couple minor bugs in 24.00


Axe-Fx III Firmware Release Notes​



24.01

Fixed right channel volume reduced in Cabinet block when Preamp is active.

Fixed Delay block distorting when presented with very high-level signals.



24.00

Improved speaker compression and amp interaction modeling.

Changed Master Volume taper for Recto1 models to agree with actual amp. This will slightly reduce the volume into the virtual power amp. Audition presets accordingly.

Added Global MV control to JS410 amp models. Master Volume has been renamed Channel MV. These two master volume controls can be used to balance the tone into the power amp (as in the real amp). The Channel MV decreases the high frequencies as it is turned down whereas the Global MV is transparent.

Added USA MK V Red amp models.

Improved accuracy of USA JP IIC+ models.

Improved accuracy of TX Star models. Global MV controls have been added as the Channel MV in these amps affect the tone (and interacts with the Presence control).

Improved Stack/Hold behavior in Delay block:

  • In Hold mode repeats are now infinite (or nearly, may degrade over many minutes/hours)*.
  • Added Stack Feedback and Hold Feedback parameters. This allows adjusting the decay time independently for the stack and hold modes.
  • Improved transition between Stack/Hold states.
*Note that if the Compander is enabled and/or Bit Reduction is greater than zero that the echoes will degrade over time. If you want infinite repeats then Compander must be OFF and Bit Reduction set to zero. Infinite repeats are also not available in the Tape types as the tape algorithm is inherently lossy (like a real tape).

Improved handling of external word clock. If no clock is present unit will fall back to internal clock until a clock is detected.

Extended range of Preset Increment/Decrement sources to include rear pedal jacks.

Fixed attack behavior of Dynamicomp model to strong input signals. Default attack time also adjusted to match reference pedal.

Fixed wrong PI bias point in Class-A 30W models.

Fixed several mistakes in Div/13 CJ amp models.

Fixed several mistakes in Two Stone J35 models.

Fixed wrong phase inverter bias excursion parameters in Car Ambler model.

Fixed VU meter in Cabinet block Preamp section only showing left channel. Meter now shows the sum of left and right.

Various other fixes and improvements.
 
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Cliff, what do you think of the IIC+ and Mark IV modes that are on the V? Curious to know your thoughts on how they stack up with the rest.
 
Getting an audible "pop" switching scenes within a preset (Wes Hauch GOT Scene 1 and 6, for example - which seem identical except a Multi Band Compressor being activated). This was happening in 24 also, but not 23.05. Switching between presets seems fine so far.
 
I have a question based out of pure curiosity behind the process here. How do you know if or when amp models need improved accuracy? Like what is the cue for that? Or how would one know its accuracy can be improved? I love the fractal models btw so again this is just curiosity about the process.
 
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