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Post subject: Mustang v head noise floor?
Posted: Tue Jan 03, 2012 10:54 pm
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Hey everybody, new to the forum.

Did a silly mistake today when exploring the AUX in, blindly plugged the cab into the footswitch jacks (assumed that they were the outputs because they are next to eachother) Turned on and off a couple times before realizing what I did, and fixed the issue. When I tried out the AUX I noticed a noise floor hiss that I hadn't noticed before, its masked when something is playing through but is present when nothing is plugged in it at all and present when volume is at zero. Also during the start up and off w/ headphones plugged in, speakers make a sound as well as headphones.

Just making sure nothing is messed up.

thanks


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Post subject: Re: Mustang v head noise floor?
Posted: Tue Jan 03, 2012 11:45 pm
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Location: Lake Charles, LA
It's sh** like this that leads me to think that Fender should do what Marshall does with their amps: Use RED plastic jack nuts for their speaker jacks and WHITE plastic nuts for their footswitch jacks....so people can get it right even if they're drunk...or high, as a lot of the great guitarists from the 80s were, apparently.

Which leads me to my next point. If I want to get good at playing rock on the guitar, do I need to experiment with drugs too? Are the two related?

....I should probably stop drinking and go to bed, huh?

Dude, you probably hosed your output transformer. If the head is under warranty still, you might want to have Fender take a look at it.

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Post subject: Re: Mustang v head noise floor?
Posted: Wed Jan 04, 2012 3:18 am
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FFXIhealer wrote:
Dude, you probably hosed your output transformer. If the head is under warranty still, you might want to have Fender take a look at it.

What are you talking about? There are no output transformers on the M V :lol:
It's solid state with a class D stereo chip as power amplifier(s).
Plugging cabs into the footswitch sockets is potentially risky as it could send low voltage DC power to the speakers.
But then the power supply should instantly trip the corresponding DC rail and recover as soon as the plugs are removed.
Booktroll don't worry if the amp is working.
Hiss and any kind of background noise may be produced by one zillion other possible causes.


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Post subject: Re: Mustang v head noise floor?
Posted: Wed Jan 04, 2012 8:35 am
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Boux wrote:
There are no output transformers on the M V :lol:
It's solid state with a class D stereo chip as power amplifier(s).
Plugging cabs into the footswitch sockets is potentially risky as it could send low voltage DC power to the speakers.
But then the power supply should instantly trip the corresponding DC rail and recover as soon as the plugs are removed.
Booktroll don't worry if the amp is working.
Hiss and any kind of background noise may be produced by one zillion other possible causes.


nice.

I also have questions regarding the v head and noise floor:

I've got a Zoom G9.2tt, a Mustang V head, a TASCAM US-144 MK II, Alesis M1 380 Active monitors, and a sweet ASUS PC for practice and recording. What types of wires yield the best results with a guitar direct into the Zoom and then to the outputs of the Zoom into the effects loop inputs of the V head and then from the V head into the TASCAM for recording and the Alesis monitors for playback, plus an A/B-Y connection to the input of the V and then the effects output to the TASCAM? There's so many wires (TS/TRS/Y-Cables, XLR v. 1/4", 1/8" to 1/4", 1/8" in to XLR, etc.)... Also, are there better quality cables to use than the ones that come with the Mustang V, even the foot pedal cable?

FYI, I'm not using a cab, yet. Just the equipment above.

I'll be adding an Electro Harminox Hum Debugging pedal unless you have a better recommendation.

oh, besides plugging pedal hole cables into speaker cable holes...are there potential or catastrophic instances of electrical failure that will occur with the rig above that can be avoided???

In advance, thank you for your reply!

Good question Booktroll! I've had noise issues too! Hopefully, the pedal and cable choices will clean up the signal chain completely! If not, we'll have to figure out something here! I think all noise on this end is related to ambient noise in this densely populated community and the fix will be the hum de-bugger, we'll see. I'll have to trade in a guitar to finish out this project. I'm ah gonna trade in a Seagull for the hum debugger, the morley a/b-y, the wires, pedal board and case...the 2 button switch for the V and the wires, about $400.00 or so more to get this rig working.

FYI, the Zoom pedal is the solution to the noisy V DSP, more features, plus the two pedals too, heaven through the V power amp!


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Post subject: Re: Mustang v head noise floor?
Posted: Wed Jan 04, 2012 9:23 am
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Thanks everyone.
This is my first head/cab set up so its all pretty new to me.
SO, the noise floor, AKA hiss from speakers, is to be expected with higher watt head/cab set up opposed to other tube or solid state combos WHEN there isn't anything plugged into it at all? I tried with my other amps with nothing plugged in and I notice a noise floor but I have to turn it up a ways (Im thinking because of the watts difference?)
The main thing is that I hear speaker hiss with volume at 0 and nothing plugged into it.

Sorry, I could've answered this myself if I payed more attention to any sort of noise floor before this little accident. It is still on warranty and is still on the 12 day thing at GC, thats a relief at least.

thanks.

RCB-CA-USA,
Why are you plugging your guitar into the zoom first?
Have you tried:
Guitar>Mustang Input>pre-out>Zoom>power-in>Headphone-out>Tascam?


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Post subject: Re: Mustang v head noise floor?
Posted: Wed Jan 04, 2012 9:45 am
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Aspiring Musician
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Joined: Tue Feb 22, 2011 11:26 am
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Location: Lake Charles, LA
Plugging into the Zoom, then into the FX loop would completely bypass the Mustang's amp modelling and pre-amp/EQ section, that's why. But if that's the case, you could do that with ANY amp with an FX loop and not even bother with the Mustang amps.

I don't know about you guys, but I bought the Mustang amp because of its DSP modelling amps, not to go around them.

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Marshall JVM410H + 1960A Lead
Fender Mustang V + V412
Fender Mustang II
Marshall Lead 12 3005 MS
Gibson Les Paul Custom Silverburst
Gibson SG Faded Special
Fender American Special Stratocaster
Hagstrom Ultra-Swede
Custom Warmoth Strat


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Post subject: Re: Mustang v head noise floor?
Posted: Wed Jan 04, 2012 11:32 am
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Booktroll wrote:

RCB-CA-USA,
Why are you plugging your guitar into the zoom first?
Have you tried:
Guitar>Mustang Input>pre-out>Zoom>power-in>Headphone-out>Tascam?


The Guitar to Zoom to V effects loop sounds the best thus far.

I just ordered the a/b-y switch, noise suppressor, a di-box just in case, some cables, and the Fender 2 button switch. I should have this whole thing up and recording sometime next week. Hopefully I'll be able to record something well enough to compare the different ways this rig can be setup...or, I will record the sound of the Mustang V being dropped off the highest peak in the area, call it a day, find a vox, pea-v, or marshall tube amp to plug the zoom into.


FFXIhealer wrote:
I don't know about you guys, but I bought the Mustang amp because of its DSP modelling amps, not to go around them.


I bought the V for the same reasons but the DSP sounds like a rock tumbler compared to the Zoom effects. Hopefully the noise patrol pedal board I'm putting together will fix the Mustang DSP noise issues.


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Post subject: Re: Mustang v head noise floor?
Posted: Sat Jan 07, 2012 11:19 pm
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I got the noise suppressor,the ab-y switch, the di-box, the V 2 button pedal to go with the 4 button pedal, and a pedal board, which holds perfectly the TASCAM, di-box, noise suppressor, and ab-y switch.

I've got the ab-y out into the suppressor into the zoom guitar input into the V effects return -- feckin' quiet as a mouse! I can hear some computer noise, I haven't run that down yet. When I pull the TSR 1/8" to 1/4" into the TASCAM, the noise goes away. Hopefully, it's not the input station on the V.

Long, fun jam. ...this is exactly the sound I envisioned. And, there's no way you'll get this quality of tone without G Lnych's cables and the Zoom into the V head. The power amp on the V head is amazingly clean and with the tube and DSP section on the Zoom, well...done.

I'll give you an update on the noise suppressor into V head tomorrow, I've got to get an XLR cable for the di-box to the TASCAM. No-doubt, the noise suppressor will have a huge improvement on the quality of sound on the V head, however, the V head patch changes are embarrassing, way to slow and weird and loud...that's got to be fixed or the head is nothing but a power-amp with limited DSP function. but some killer Fender and metal tones, luv the metal sims on the V. ...no-doubt, it'll sound sweet looped into the pre-amp section of the zoom *then* to the V power amp!

This is a jaw-droppingly-good combo!

oh, first time assembling GL patch cables, ...the destructions are unclear. It says not to shove the chord into the right angle jack with your thumb, just enough not to fall out, but for my touch, that's next to nothing, I needed to push it in a hint to get it to work and sound strong. And, if you doubt the GL cables are that good, put them through a spectrum analyzer -- huge difference between these and nearly *all* cables! The GL cables cover the whole spectrum of sound strongly and equally. If they don't sound right, it's either not assembled right or something in your rig is insufficient and needs to be fixed or removed! :P

I played a Seagull mini-jumbo-cutaway through the zoom>V, superb, ...superb!

A Brawley 224-HT too. smokin' hot jam (rush, rush, and more rush).

Next, the HWY 1! ...soad!

Then, I got to tidy up all the chords!

I'd throw up photos but don't want to do that!

I'll throw up some recordings in a week or so if I can stand playing this rig without the noise suppressor! And...guess which suppressor works really, really, really well...the Behringer NR300, $24.95, plus about $20.00 for the GL patch chords (about 1-foot of cable cut twice, plus 4 angled plugs n' caps unless you buy bulk chord and plugs separately, which is much cheaper if you have a lot of individual effects boxes...as opposed to the Zoom...1 cable in, 2 out, 2 midi cables, done.).

FYI, I'm using the Morley ab-y, it's absolutely neutral and does seamless switching, and the Behringer High Performance Passive Direct, this one was inexpensive too, $26.99!

welp, I'm hungry!

8)


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