Fractal Audio Systems AM4 - Amp Modeler

paisleywookiee said:
Headless with the AM4 in the front of the bag would be awesome.
Click to expand...
:D

big_Geddy-Lee-Steinberger-2547913849.png
 
I don't think I would spend $2200 on a travel guitar if the travel might involve an airline. No one makes a $220 version of that? It just needs to be playable with a pickup for what most people would do with one.
 
forum.fractalaudio.com

AM4 V2.00 Beta 1 Release

AM4 V2.00 Beta 1 Release firmware is available here: AM4 V2.00 Beta 1 Release VERSION 2.0 Beta 1 | Feb 25, 2026 New Features & Improvements The AM4 is now up to date with Axe-Fx III firmware release 32.01 with improved power tube modeling, enhanced accuracy, corrected tapers, component values...
forum.fractalaudio.com forum.fractalaudio.com

VERSION 2.0 Beta 1 | Feb 25, 2026​


New Features & Improvements​

The AM4 is now up to date with Axe-Fx III firmware release 32.01 with improved power tube modeling, enhanced accuracy, corrected tapers, component values, circuit behaviors, and more. See details at the end of these notes.

NEW! Swedish Metal Drive pedal model based on a Boss™ HM-2 Heavy Metal. The expert Diode Type now also includes the 1S2473 from this model.

The Input Gate and Gate block now allow faster Attack times down to 0.1.
Note: Setting Attack and Release times too fast in any gate can cause distortion.

Changed default values of Dual Tape type in Delay block to be a bit more musical.

FIXES​

  • Fixed an issue where amp level was sometimes not set correctly after a channel change.
  • Fixed an issue where Speaker Impedance values were incorrect when using AM4-Edit copy/paste
  • Improved the performance of tempo from external MIDI clock, which can push-pull during preset changes.

NOTES FOR AMP MODELING​

  • Double Verb, Vibrato Verb and Super Verb models: the gain Taper was previously 20A, and is now “2-35”. Audition presets and adjust as necessary by slightly lowering the gain.
  • PVH 6160, PVH 6160+ Lead and 5153 Red amp models have been remastered.
    It is recommended to do a soft reset to load the new default values:
  • In amp mode, page right to the last page
  • Select Soft Reset Current Channel and press ENTER.
  • Make adjustments as desired and then save the preset to store changes.
  • Fixed a resistor value in 5153 100W Green and 5153 100W Stealth Blue amp models. Audition presets and adjust as necessary.
  • Fixed wrong B+ voltage in Friedman BE/HBE models (due to wrong dropping resistor value). These models have been remastered accordingly. The default Negative Feedback has been changed to be commensurate with being taken from the 4-ohm tap. Note that the first-generation BE-100 had the feedback off the speaker jack. This was then changed to the 4-ohm tap. The latest version has a three-way switch to select between 4/8/16-ohm taps. Audition presets and adjust as necessary.
  • Fixed wrong Master Volume taper in Solo 100 amp models. Audition presets and adjust as necessary.
  • Fixed wrong bass taper in Band-Commander amp model. Audition presets and adjust as necessary.
  • Fixed wrong master volume taper in Mr Z MZ-38 amp model. Audition presets and adjust as necessary.
  • In Amp Expert Edit, added “Transistor” Power Tube Type. This is now the default type for the Jazz 120 model. Existing presets are automatically updated.
  • Fixed preset updater not correctly setting Preamp Hardness if Amp block using EF86 tube type.
 
Last edited:
paisleywookiee said:
Nah I use a physical wah regardless. No worries there. (not that there's anything wrong with the wahs in Fractal stuff).
Click to expand...

Yeah, I’ve got zero gripes with the Fractal wahs, they’re in every song I’ve recorded since I’ve had an AxeFX, but when I built my pedalboard and facing the prospect of losing a block or adding a real wah….well, I now have a bigger reason to build a wah collection! :rofl
 
DrewJD82 said:
Yeah, I’ve got zero gripes with the Fractal wahs, they’re in every song I’ve recorded since I’ve had an AxeFX, but when I built my pedalboard and facing the prospect of losing a block or adding a real wah….well, I now have a bigger reason to build a wah collection! :rofl
Click to expand...

I have an old Teese Picture Wah (sounds great) and a Crybaby, but the Fractal Clyde just sounds better to me than either of them. Love being able to tweak it to exactly what I want.

The more I learn the more I'm enjoying the AM4.
 
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