CONNECTIONS
Doc v15XL
9
Doc v15XL
3
Connections
Before making connections, be sure to turn down the volume of your amps and switch off all power. Take
extreme care NEVER to connect the SPEAKER outputs of any amplifier to any jack on the Axe-Fx II as this
will damage one or both devices. If you’re not sure, don’t do it!
3.1
Setting Levels
For the Axe-Fx II to work properly, it is important that input and
output levels be set correctly. Optimal levels will depend on what
the Axe-Fx II is connected to, and on the level of your presets.
INPUT LEVELS
are set with “soft-knobs” on the INPUT page of the
I/O menu. Adjust until “hot” signals “tickle” the red LEDs on the
front panel INPUT meters. The red LED lights at -6 dB (below
clipping). Some sources may not reach these levels but can still be used with no problems.
Changing input levels will NOT affect
what you hear
. Inputs are
compensated
, meaning that as you lower trims
to optimize signal-to-noise ratio going into the converters, the output of the converters is adjusted inversely
so “what you hear” (and what reaches the signal processor) always
remains the same
. If you want to increase or
decrease the distortion of an amp or drive pedal, use the controls provided in the edit menu of those blocks!
OUTPUT LEVELS
are set using the front panel
and knobs. The Axe-Fx II is designed for easy use
in unity gain applications; simply set the output knob to its MAXIMUM position and a preset containing “all shunts”
will output unity gain. (This type of operation would typically be limited to when you’re running the unit in an
amp’s FX loop. Presets containing amps, cabs, and other effect blocks which add gain can significantly increase the
level.)
CLIPPING THE OUTPUTS
If the
or
LEDs light while you use the Axe-Fx II, the problem is NOT input trim settings but too
much level or gain
inside your preset(s)
. Reduce the output of one or more blocks (the LEVEL control of the AMP or
CAB block is good starting point) or adjust the main GAIN slider of the preset’s output mixer on the OUT page of
the LAYOUT menu until clipping stops.
3.2
A Word on System Parameters…
The following section shows some typical setups, some of which require special “System Parameter” settings. For
example, when the Axe-Fx is used with guitar speakers instead of a full-range/direct system, you will want global
“Cabinet Modeling” set “OFF.”
In addition to the short introductions provided with the diagrams below, system parameters are detailed in the
online PDF Axe-Fx II Owner’s Manual available on our web site. Additional setup diagrams are also included there.
Many of the basic setups shown here can be easily combined or expanded. Mono setups might be made stereo or
vice versa. The MFC-101 MIDI Foot controller can be added for intelligent remote control. Computer connectivity
can also be added to any other setup, enabling you to use
Axe-Edit™
, our free software Editor/Librarian for the
Axe-Fx II. Countless combinations are possible.
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