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Post subject: Audio Input (AUX) Specs
Posted: Fri Nov 07, 2014 2:26 pm
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Hi all.

I have my late 2008 MacBook Pro connected to my Mustang III from the MBP's headphone output to the MIII's AUX input. What I'd like to know is, my MBP is capable of outputting 96kHz/24bit. What can the MIII's AUX input handle in terms of HZ/bit rates? I'm thinking it would be best if they matched up.(?) Thanks


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Post subject: Re: Audio Input (AUX) Specs
Posted: Fri Nov 07, 2014 6:00 pm
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The headphone output of a computer is analog, as is the aux input of the Mustang. Not digital at that point.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Fri Nov 07, 2014 8:28 pm
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pdawg wrote:
The headphone output of a computer is analog, as is the aux input of the Mustang. Not digital at that point.


Hi pdawg.

So at that point the Hz/bit rates won't matter?

One thing I noticed while using my Presonus Firepod's headphone out is that the FX Return can't handle the headphone volume being turned up (it cuts out) whereas the AUX in can take full volume. Don't understand why though.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sat Nov 08, 2014 2:22 am
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Quote:
So at that point the Hz/bit rates won't matter?

Correct. It's just a line-level analogue signal, the same as we've all been using for decades. Forget all about the digital audio stuff.

Quote:
the FX Return can't handle the headphone volume being turned up (it cuts out)

I don't know for certain, but this sounds as though the amp's fx-return may have a safety cut-out built-in to prevent overloading the circuitry. If the signal you're feeding into it exceeds the usual peak for a line-level signal, you could be triggering that. It's entirely possible a headphone output, turned up to max, would do that.

The aux-in it would seem doesn't have similar protection. But if the above is correct, then running your headphone-out at max into the aux-in may be distorting - so listen carefully to it, don't just assume because you can use it at max, that that's the best thing to do.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sat Nov 08, 2014 1:54 pm
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scott-uk wrote:
Quote:
So at that point the Hz/bit rates won't matter?

Correct. It's just a line-level analogue signal, the same as we've all been using for decades. Forget all about the digital audio stuff.

Quote:
the FX Return can't handle the headphone volume being turned up (it cuts out)

I don't know for certain, but this sounds as though the amp's fx-return may have a safety cut-out built-in to prevent overloading the circuitry. If the signal you're feeding into it exceeds the usual peak for a line-level signal, you could be triggering that. It's entirely possible a headphone output, turned up to max, would do that.

The aux-in it would seem doesn't have similar protection. But if the above is correct, then running your headphone-out at max into the aux-in may be distorting - so listen carefully to it, don't just assume because you can use it at max, that that's the best thing to do.


Thank you Scott, makes sense.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sat Nov 08, 2014 7:15 pm
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I decided to use the AUX because when using the FX Return you can hear coloring of the sound when scrolling thru presets that you can't hear at all when the AUX is used. I already have my guitar sound colored thru amp software (S-Gear) so I was looking to continue that sound straight thru the amp without the amps additional modeling.

Even though I've read that using the FX Return is preferred, the AUX seems to work fine so all is good, thanks again.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sun Nov 09, 2014 12:48 pm
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Quote:
when using the FX Return you can hear coloring of the sound when scrolling thru presets

If you have a Mustang V2, then by default the cab emulation is applied after the fx loop - for obvious reasons. That will be the 'coloring' you are hearing. You can change this so that the fx loop comes after the cab emulation (or, change/turn-off the cab emulation in the presets you're using). See:
http://www.fender.com/support/articles/ ... mplifiers/

It sounds as though you're using the Mustang just as a power amp, and using your computer for amp modelling and other effects? That seems to miss the point of the Mustang, I'd recommend you try making full use of its capabilities - it really is good and worth trying!


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sun Nov 09, 2014 1:23 pm
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scott-uk wrote:
Quote:
when using the FX Return you can hear coloring of the sound when scrolling thru presets

If you have a Mustang V2, then by default the cab emulation is applied after the fx loop - for obvious reasons. That will be the 'coloring' you are hearing. You can change this so that the fx loop comes after the cab emulation (or, change/turn-off the cab emulation in the presets you're using). See:
http://www.fender.com/support/articles/ ... mplifiers/

It sounds as though you're using the Mustang just as a power amp, and using your computer for amp modelling and other effects? That seems to miss the point of the Mustang, I'd recommend you try making full use of its capabilities - it really is good and worth trying!


Hi Scott, thanks for the reply and link.

Yes, I agree, the MIII (V2) is a great amp! (that's why after much research, I bought it! :) )

I do use the presets, their great. But, sometimes I also like to experiment with amp modeling software like S-gear or the amps in Garageband and yes, when doing so the MIII is during those instances 'just a power amp'. At those times I'm looking for the cleanest way to get to the speaker without any coloring of the already modeled signal. I had read that the FX Return on amps (in general) would be the best place to plug in to bypass coloring. The only other place I could plug in would be the AUX (my Presonus Firepod does not have USB).

For what I'm trying to accomplish does it matter which port I use, AUX or FX Return?


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sun Nov 09, 2014 1:48 pm
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My impressions were that the Aux input of the Mustang is tailored with headphone outputs (MP3 players, etc.) in mind and that the EFX return is tailored for the line outputs of rack effects, loopers, modelers, etc. (which work with it very well indeed).

Paj
8^)


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sun Nov 09, 2014 1:56 pm
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PajFender wrote:
My impressions were that the Aux input of the Mustang is tailored with headphone outputs (MP3 players, etc.) in mind and that the EFX return is tailored for the line outputs of rack effects, loopers, modelers, etc. (which work with it very well indeed).

Paj
8^)


Thanks. I think you might be right, at least it 'looks' that way with the AUX being a simple 1/8" input typical for Mp3 players and whatnot, in contrast the FX Return having a 1/4" input more typical of line level devices.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Sun Nov 09, 2014 10:27 pm
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Followed the link Scott provided and changed the FX to Looper Pedal, sounds great. Looks more 'correct' using 1/4" connections to an amp from my audio interface.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Mon Dec 19, 2016 12:52 pm
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Hello, I have a question about Fender MUSTANG I V2, electrical specification AUX input - Input impedance and sensitivity, what signal do I connect.

Thank you in advance for your help.


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Post subject: Re: Audio Input (AUX) Specs
Posted: Wed Dec 21, 2016 4:07 pm
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Codeseven wrote:
Followed the link Scott provided and changed the FX to Looper Pedal, sounds great. Looks more 'correct' using 1/4" connections to an amp from my audio interface.
That is the best way to use the Mustang as only a powered cabinet. This also conveniently renders the Mustang's Master Volume Knob as the only one that has any affect!

Alternatively, you can also explore changing the Looper Menu setting back to the "Normal" default while selecting the Mustang's Basic Studio PreAmp Preset. This Preset has the Noise Gate and Cab Sim settings both set to "OFF". Even though the FX Return will still be after the Preset in the Signal Chain, the Mustang's Gain, Channel Volume, and Tone Stack (Bass, Treb, Mid) Knobs, are active and will affect the background noise level signal path! I found there was little reason to use this method unless deliberately desiring to use the 4 cable method, or with other outboard gear, (also with guitar connected to Mustang's Main Instrument In).

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Epi LP Florentine Pro●LP Cstm Pros●LP PlusTop Pro●Sheraton-II Pro
Cstm Strat Vntg Noiseless●Guild D-55
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Post subject: Re: Audio Input (AUX) Specs
Posted: Wed Dec 21, 2016 4:11 pm
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ufacek wrote:
Hello, I have a question about Fender MUSTANG I V2, electrical specification AUX input - Input impedance and sensitivity, what signal do I connect.

Thank you in advance for your help.
I don't know about the AuxIn's specs, but it is stereo and capable of be used with an MP3 or CD Player, or iPod source, or fed from a computer's sound card, all of which are heaphone output level sources.

_________________
Mustang v2 III/IV●EXP-1●FUSE●REMUDA
Epi LP Florentine Pro●LP Cstm Pros●LP PlusTop Pro●Sheraton-II Pro
Cstm Strat Vntg Noiseless●Guild D-55
So Creek Cables●BOSS RC-1●RS7500
D'Addario Strings●Vari-Grip●Planet Lock Straps


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