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There are balanced and unbalanced inputs/outputs on the Axe-Fx II. When to use which? Here are the basics.
A BALANCED audio connection consists of an balanced output, connected to a balanced input, through a balanced cable. The cable can have either XLR ("microphone cable") or 1/4" jack plugs. A balanced 1/4" jack plug is the same as a stereo plug (but doesn't make the signal through the balanced cable a stereo signal). Balanced cables have 3 wires! More information in Wikipedia.
So what are the advantages of balanced signals?
Outputs:
The Output 1 XLR plugs are balanced. Use balanced cables to connect the XLR outputs to a mixer, studio monitors etc.
The Output 1/4" jack plugs are not balanced.
Inputs:
All rear inputs on the Axe-Fx II are balanced. These inputs sense whether the incoming signal is balanced or not.
The front input is not balanced.
Is it a sin not to use balanced connections? No, most guitar players probably never make use of it. But given the fact that the Axe-Fx provides you with the opportunity to use this technology without disadvantages, why not make use of it?
The 1/4" jack outputs on the Axe-Fx II are not balanced. Fractal provides its own technology to fight ground loop hum through these outputs: HUMBUSTER. (Now is a good time to whistle the Ghostbusters theme...)
HumBuster senses and subtracts the ground noise of connected equipment using a simple stereo-to-mono (TRS-to-TS) 1/4" jack cable. Ready-made cables are available from Best-Tronics. The "stereo" end goes into an output on the Axe-Fx II, the mono end goes into the other device. You need two for stereo L/R connections.
HumBuster connections can be used in Four-Cable-Connection rigs, or when connecting the Axe-Fx II to a head or power amp, or when connecting to other devices. There's no signal loss or degradation. It reduces ground loop hum only, not pickup hum or other noise.
Wiki: Humbuster cables
Wiki: Balanced/Unbalanced
To get a list of all Wicked Wiki threads: type "Wicked Wiki" in the Search box.
A BALANCED audio connection consists of an balanced output, connected to a balanced input, through a balanced cable. The cable can have either XLR ("microphone cable") or 1/4" jack plugs. A balanced 1/4" jack plug is the same as a stereo plug (but doesn't make the signal through the balanced cable a stereo signal). Balanced cables have 3 wires! More information in Wikipedia.
So what are the advantages of balanced signals?
- Improved reduction of external noise and interference.
- The ground lift switch at the rear can be used to fight hum caused by a ground loop.
Outputs:
The Output 1 XLR plugs are balanced. Use balanced cables to connect the XLR outputs to a mixer, studio monitors etc.
The Output 1/4" jack plugs are not balanced.
Inputs:
All rear inputs on the Axe-Fx II are balanced. These inputs sense whether the incoming signal is balanced or not.
The front input is not balanced.
Is it a sin not to use balanced connections? No, most guitar players probably never make use of it. But given the fact that the Axe-Fx provides you with the opportunity to use this technology without disadvantages, why not make use of it?
The 1/4" jack outputs on the Axe-Fx II are not balanced. Fractal provides its own technology to fight ground loop hum through these outputs: HUMBUSTER. (Now is a good time to whistle the Ghostbusters theme...)
HumBuster senses and subtracts the ground noise of connected equipment using a simple stereo-to-mono (TRS-to-TS) 1/4" jack cable. Ready-made cables are available from Best-Tronics. The "stereo" end goes into an output on the Axe-Fx II, the mono end goes into the other device. You need two for stereo L/R connections.
HumBuster connections can be used in Four-Cable-Connection rigs, or when connecting the Axe-Fx II to a head or power amp, or when connecting to other devices. There's no signal loss or degradation. It reduces ground loop hum only, not pickup hum or other noise.
Wiki: Humbuster cables
Wiki: Balanced/Unbalanced
To get a list of all Wicked Wiki threads: type "Wicked Wiki" in the Search box.
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