Amp and cab block parameters explained
amp and cab descriptions
recommended speaker type for each amp
cliff’s gain controls guide
drive block descriptions
cc assigments sorted by function & cc (27 pages)
Drive block descriptions Amp and cab block diagrams content compiled from the Axe-Fx II manual, Wiki and forum suggestions, corrections, etc.: send a PM to JMA at the Fractal Audio forum firmware v11.0 ~ Axe-Edit v3.0 ~ rev. August 30, 2013...
TOP ROW BOTTOM ROW INPUT DRIVE (was DRIVE) – In a typical amp this is called various names (Drive, INPUT TRIM – A clean, linear gain applied at the input to the amp block that Volume, Gain, etc). It is the knob closest to the input jack. In many cases it has a adjusts the relative gain of the preamp.
Page 3
TOP ROW BOTTOM ROW LOW RES FREQ/RES Q/RESONANCE – Guitar loudspeakers have a low-frequency XFORMER LOW/HIGH FREQ – These set the output transformer bandwidth. resonance, typically about 100 Hz. This shifts up slightly when the speaker SPEAKER DRIVE – Simulates distortion caused by pushing a speaker too far. It is mounted in an enclosure and is typically lower for open back cabs.
Page 4
TOP ROW BOTTOM ROW SUPPLY SAG – Controls power supply impedance. Higher settings simulate B+ TIME CONSTANT – Associated with SUPPLY SAG. Controls rate of change in higher power supply impedance, causing greater tube plate voltage (B+) power tube plate supply. “B+” refers to one of the high voltage “taps” or outputs “droop”...
Page 5
TOP ROW BOTTOM ROW PRESENCE FREQ – Alters the center frequency of the amp’s PRESENCE control. TRIODE1/2 PLATE FREQ – Sets the cutoff frequency of the plate impedance for the next-to-last (triode 1) and last (triode 2) triode in the chain, which allows DEPTH FREQ –...
Page 6
TOP ROW BOTTOM ROW LOW CUT FREQ – Reduces the amount of low frequency (10-1000Hz) before the TONESTACK TYPE preamp input. Use this is to tighten up a tubby bass end. Somewhere between ACTIVE – Gives each tone control ±12 dB boost/cut making them more 10-150Hz is generally where it will sound best for standard guitar tones.
TOP ROW BOTTOM ROW CAB – Loads a cabinet impulse response (IR). The older FAS and RW cabs were MIC – Don’t feel that you have to add a mic unless you want to add EQ, which recorded with neutral mics. OH, Kalthallen, and the Mix/Producer Pack series is basically what you would be doing.
Page 8
FACTORY CABINETS 1 1x6 Oval 39 4x12 1960B T75 (RW) 77 1x10 Prince Tone Black Mix 115 1x12 Nuclear Tone Mix 2 1x8 Tweed 40 4x12 1960B K120 (RW) 78 1x10 Prince Tone Silver Mix 116 1x12 Scumtone 25W Mix 3 1x10 Gold 4x12 1960B V30 (RW) 79 1x12 Junior Blues Mix...
Page 9
AXE-FX AMP BASED ON DESCRIPTION 1987x Normal ... Marshall 1987x Vintage Series ..Features an “essential” mod to the tonestack of this Plexi. Reissue of the 50w JMP Lead 1987. 1987x Treble .
Page 10
AXE-FX AMP BASED ON DESCRIPTION Class-A 30w $ ..Vox AC-30 ......30w, EL84 tubes. Combo that dominated the British Invasion. Gritty character, warm tone, great feel. For authentic tone, leave the tone controls at noon and use Hi-Cut to cut treble Class-A 30w TB $ .
Page 11
AXE-FX AMP BASED ON DESCRIPTION Hipower Normal ..Hiwatt DR103 (Normal) ... .Normal channel. Hot Kitty $ ... . . Bad Cat Hot Cat 30r (Ch 2) ..30w, EL34, cathode bias, Channel 2. Voted by Guitar Player as “the second best combo of all time. ” Jazz 120 .
Page 12
AXE-FX AMP BASED ON DESCRIPTION Suhr Badger 30 $..Suhr Badger 30w ....In comparison to the 18w, the 30w features a solid state rectifier. Super Verb .
Page 13
AXE-FX CAB DESCRIPTION 1x6 Oval ......6” Supro, 6x9 oval speaker used in some early amps (Supro). Combine with a Plexi for some Zep. 1x8 Tweed .
DRIVE BLOCK DESCRIPTION Rat Dist ..ProCo Rat Distortion PI Fuzz ... Big Muff Pi Fuzz Tube Drive ..Chandler Tube Driver that actually contains a 12AX7. Super OD .
2013-06-29 – Updated the cab suggestion list to include the new factory cabs introduced in firmware 10. The list now accurately reflects the information on the Axe-Fx II Wiki. Also gave it a badly needed overhaul to make it more readable.
Need help?
Do you have a question about the AXE-FX II and is the answer not in the manual?
Questions and answers