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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Sat Sep 22, 2012 3:27 pm
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Aspiring Musician
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I was also going to mention what you already said:(provided that the noise comes from the power amp, could it be that if AC power is not perfect (low voltage, peaks, phase, etc.) this affects the audio quality of the power amp?)

Let me also add that i think everyone with a mustang III-V should invest in a good power conditioner like ones from monster,i bought a used monster powerbar 1100 that is for home theater but it can be used on any amp or studio gear,i do not use my powerbar with my mustang's but i use it with my studio gear and it makes a big improvement getting rid of ac hum and line noise.

I have a behringer ultramizer pro dsp 1400 enhancer that i use in my studio setup and i always used to get a little hum and a higher level of line noise with this unit but now with my monster powerbar all the noise i used to get is gone!

Did anyone with the fizz problem ever try a good power conditioner with there mustang and see if it reduced the fizz or made it go away?


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Tue Sep 25, 2012 7:22 am
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It could be the AC power but I doubt it. I have never had any issues with any amps in the past. I have tried my mustang amp in two different locations in my house...with no change. The new one guitar center ordered for me should be here in two days so I will do the software updates and check that one but I am having my doubts as every amp Ive tried at all the local guitar shops which now totals 4 (mustang III's), 2 (mustang IV's) and 1 (mustang V) have fizzed. Now, only 2 of them I am sure had the latest update.....one was the floor model mustang 3 at guitar center (the guy did the update riht in front of me) and the other is the mustang IV currently in my house. As I have stated previously, I still may keep the amp because it does sound great for what it is and I will rarelly if ever sustain clear notes like this, especially in a LIVE setting. I am just afraid it will only get worse and fender wont warrentee it but I still have 30 days to return it to guitar center so I will keep playing it like crazy until then.


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Tue Sep 25, 2012 9:14 am
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Aspiring Musician
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Just a suggestion: could it be possible to try using a power conditionner with the amp to see it it helps? I'm not talking about a surge protector but more of a power conditionner (will detect and correct most AC anomalies).
If you have any issues with undervoltage, overvoltage, phase or other problems and they are causing the amp to behave like that it will show using this kind of conditionner.
the fact you tested several amps all on the same location and all show the same problem is a strong indicator towards the AC issue possibility IMHO.


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Tue Sep 25, 2012 2:15 pm
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jedi2b wrote:
Just a suggestion: could it be possible to try using a power conditionner with the amp to see it it helps? I'm not talking about a surge protector but more of a power conditionner (will detect and correct most AC anomalies).



I just tried it - took the Best Fotress UPS (sine wave) from the computer room and plugged in the Mustang-III - NO DIFFERENCE, IT STILL FIZZES!


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Tue Sep 25, 2012 8:21 pm
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Any way you can post an audio clip of that along with all of the setting used on the amp Tony65?

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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Wed Sep 26, 2012 5:38 am
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Jedi2b

I did not try multiple mustang's in the same spot in my house. I said I tried multiple mustangs period, one was at home in different locations at home....others were at different guitar stores. I was able to reproduce the "fizz" on all of them. Like I said, 7th fret or higher notes on the "E" string letting the note ring out....you can clearly here the fizz on clean settings such as setting 78 which is "Juicy Clean". This was using both my guitars at home and Other guitars at the shops.

As for posting clips of the sound, I have never really recorded anything so I will give it a shot but it sounds exactly like the clip on youtube.


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Wed Sep 26, 2012 6:04 am
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I actually listened closely to my Mustang IV and I do hear it on very clean tones, but it is so low into the background that its not an Issue for me especially for live playing. Most of the time my tone is slightly crunchy to heavy crunch tones so its definitely not an Issue that way, despite that minor flaw its a great and versatile sounding amp!


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Wed Sep 26, 2012 6:39 am
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Bigeclipse wrote:
....others were at different guitar stores. I was able to reproduce the "fizz" on all of them.


fwiw, the one I tried in the store sounded like butt too. It had updated firmware, but I don't think they were on the current version. Did you check the firmware version for the ones you tried in the store? It's quick and easy to check....

If you are going to post an audio clip, please state:

1. Firmware Version and FUSE version loaded
2. Preset(s) used
3. All settings for preset(s), including sag/bias, noise gate, etc.
4. How the recording was made and name of recording software
5. Guitar used and approx settings on guitar (pickup used, volume/tone settings)
6. What microphone was used?
7. Where was the master volume set when recording?
8. What was it plugged into for power (a power strip? straight to wall outlet? UPS?)

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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Wed Sep 26, 2012 7:01 am
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Bigeclipse wrote:
... As I have stated previously, I still may keep the amp because it does sound great for what it is and I will rarelly if ever sustain clear notes like this, especially in a LIVE setting. I am just afraid it will only get worse and fender wont warrentee it but I still have 30 days to return it to guitar center so I will keep playing it like crazy until then.

I've had my MIII for about a year and a half. I discovered that I could induce fizz about 3 months after my purchase. Funny thing is, in my particular case, I think it has actually gotten better. Tried a fizz test this morning and it was as crystal clear as you please. The amp is in the same place, plugged into the same outlet, I'm using the same settings, same guitar. The only differences between now and before are firmware updates, started using cobalt strings on my guitar, and I've had the headphone jack replaced.

And I think to fix the head phone jack they replaced the whole control board that it plugs into. So whether that is some how interconnected with the fizz or just coincidence, I have no idea.

But honestly IMO, when you have a bad one (which are rare) it's painfully, obviously bad. When you have one as you describe (which is more common), you typically forget that it's even there.


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Wed Sep 26, 2012 9:29 am
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I will try to answer your questions as best I can.

1.) My mustang 4 has current firmware update and so did one mustang III (the guy did the update right in front of me) and V at guitar center. I am unsure what the second mustang 3 version was so i cannot comment on that nor can I comment on the version the mustang IV was at the local guitar shop (parkway Music)

2.) I tried it on multiple clean presets(I am at work right now). The only ones I remember are Juicy clean and then all the clean amp models that do not have any effects on them, I think between 85-95 if I remember correctly. They are the last few like the 65 reverb or bassman.
3.) settings were left as the amp had them, I did mess with Juicy clean a bit to try and make a Jimmy Hendrix Hay Joe tone, but it fizzed before and after I messed with it.
4.) I have not made a recording yet, but it really does sound like the one on youtube, but....not as bad. it is almost exact when played on the 7th fret "E" string. Other frets produce it but not nearly as bad and some i cant even here it.
5.) I have reproduced the fizz with all the guitars I own and tried:
My own ec-1000 and Fender American standard strat. I used them on the mustang IV I have at my house, and a mustang IV I demoed at the local guitar shop Parkway Music.
When I went to Guitar center I demoed 2 Mustang III's and one mustang V. I used a gibson Les Paul, Ibanez 550, gibson SG and a Fender american telecaster. All produced fizz on any pick-up setting. More noticable when tone is turned towards the bass end.
6.) No recording yet so no microphone
7.)Matser volume was set around 4-5, but I could hear it lower volumes on all just much less noticable. Really hard at guitar center because of background noise.
8.) As for outlets:
Parkway Music seems to be regular wall outlet.
My outlets at home are normal, but I did try using all of them and I tried 2 powerstrip/Protectors meant for highend gaming computers. yes I am kind of a nerd haha. I have never had any power problems with any amps, computers, Flat screen TVs or anything else in the past.

4.)


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Wed Sep 26, 2012 12:48 pm
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Did you post a recording Big E? I must have missed it...

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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Thu Sep 27, 2012 7:06 am
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I have to admit I do not know how to record something via computer. Have never done it before but if you give me some instruction I do have a computer microphone and such so I could record and then attach it to this forum, which I am also unsure how to do.


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Thu Sep 27, 2012 11:34 am
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Bigeclipse wrote:
I do have a computer microphone and such so I could record and then attach it to this forum, which I am also unsure how to do.


Honestly, I wouldn't bother to use a computer microphone for the purpose of a fizz demo.

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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Thu Sep 27, 2012 12:42 pm
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well what do you recommend, I have mics that hook to a PA and such, just no recording euqipment so id have to go through the computer.


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Post subject: Re: Mustang III - Digital Aliasing (Strange Fizz Sound)
Posted: Thu Sep 27, 2012 12:56 pm
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Well I guess if the fizz is bad enough that you can get it using a computer mic, that should be enough.
As I understand from other posts, fizz is not present on line-out nor in headphones out so you are going to need to use a mic.


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