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Axe-Fx III Firmware Release Version 16.01 Beta 1 Public Beta


Fractal Audio Systems

Axe-Fx III Firmware Release Notes​


Improved output transformer / speaker impedance interaction modeling. This yields more accurate low frequency response. Note that the Transformer LF parameter effectively adjusts the transformer’s inductance. Increase this value to simulate a smaller transformer, decrease to simulate a larger transformer.

Improved power amp cathode current calculation accuracy for cathode biased models.

Updated default Power Tube Grid Bias and Negative Feedback on many models based on new measurement technique. NOTE: As a result of this existing presets will update the aforementioned parameters to the new default values upon recall.

Added frequency cursor to Parametric EQ graph.

Updated Blackglass 7K Drive block model. Previous model was incorrect due to defective reference unit.

Increased gain range of Filter and Parametric EQ blocks to +/-20 dB. Also increased gain range of input EQ in Amp block. Existing presets are automatically updated.

Fixed incorrect channel indication in Amp block when changing scenes if Scene Revert is true.

Fixed Amp block bypass state not reverting when changing scenes if Scene Revert is true.

Fixed incorrect Drive control taper in Jr. Blues amp models.

Fixed incorrect default P.I. Bias Excursion in Princetone Reverb and Div/13 CJ Boost models.

Fixed missing UI for several Friedman amp models.

Fixed pop when changing Amp block channels between models with disparate gains.

Fixed NaN in Stereo Tri-Chorus if Delay Time and Rate are set to minimum.

Various optimizations and improvements.
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