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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Fri Oct 16, 2015 1:07 pm
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MusicLaw wrote:
there are numerous relatively low cost (from around $100) UPS Uniterruptable Power Supply) units you can use. These not only clean and filter the power, they run it through a sizeable internal battery.

Be aware that only "online" type UPSs (which usually are quite more expensive) will do that.

Typical cheap UPSs are standby and just connect the mains to the output as long as the voltage is high enough without cleaning or filtering anything.
https://en.wikipedia.org/wiki/Uninterru ... .2FStandby


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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Fri Oct 16, 2015 3:02 pm
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ChrisH1 wrote:
MusicLaw wrote:
there are numerous relatively low cost (from around $100) UPS Uniterruptable Power Supply) units you can use. These not only clean and filter the power, they run it through a sizeable internal battery.
Be aware that only "online" type UPSs (which usually are quite more expensive) will do that.

Typical cheap UPSs are standby and just connect the mains to the output as long as the voltage is high enough without cleaning or filtering anything.
https://en.wikipedia.org/wiki/Uninterru ... .2FStandby
Yes! Buyers should always beware to check the features and product specs to see what the product offers! You do get what you pay for. With UPS devices, pricing typically scales up quickly proportional to backup capacity runtime and circuit amperage.

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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Mon Oct 19, 2015 5:38 pm
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MusicLaw wrote:
ChrisH1 wrote:
MusicLaw wrote:
there are numerous relatively low cost (from around $100) UPS Uniterruptable Power Supply) units you can use. These not only clean and filter the power, they run it through a sizeable internal battery.
Be aware that only "online" type UPSs (which usually are quite more expensive) will do that.

Typical cheap UPSs are standby and just connect the mains to the output as long as the voltage is high enough without cleaning or filtering anything.
https://en.wikipedia.org/wiki/Uninterru ... .2FStandby
Yes! Buyers should always beware to check the features and product specs to see what the product offers! You do get what you pay for. With UPS devices, pricing typically scales up quickly proportional to backup capacity runtime and circuit amperage.

Well, the cheap power strip, probably predictably, did not resolve it. So that I don't get the wrong thing, are there any UPS devices that you can recommend? I know they're not cheap but I need to get this resolved and I'll be using it for years.

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Chubby, old, retired guy trying to learn to play some blues.


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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Mon Oct 19, 2015 7:51 pm
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matonanjin wrote:
MusicLaw wrote:
ChrisH1 wrote:
MusicLaw wrote:
there are numerous relatively low cost (from around $100) UPS Uniterruptable Power Supply) units you can use. These not only clean and filter the power, they run it through a sizeable internal battery.
Be aware that only "online" type UPSs (which usually are quite more expensive) will do that.

Typical cheap UPSs are standby and just connect the mains to the output as long as the voltage is high enough without cleaning or filtering anything.
https://en.wikipedia.org/wiki/Uninterru ... .2FStandby
Yes! Buyers should always beware to check the features and product specs to see what the product offers! You do get what you pay for. With UPS devices, pricing typically scales up quickly proportional to backup capacity runtime and circuit amperage.

Well, the cheap power strip, probably predictably, did not resolve it. So that I don't get the wrong thing, are there any UPS devices that you can recommend? I know they're not cheap but I need to get this resolved and I'll be using it for years.
This week Guitar Center has several power conditioner units on sale starting at around $35! As they have a 30 (or 45?) day no questions asked satisfaction guarantee, you may want to consider that first. Also if you have a Costco nearby they often have UPS units at competitive prices.

Have you isolated the interference to the power source as opposed to RF?

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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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D'Addario Strings●Vari-Grip●Planet Lock Straps


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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Tue Oct 20, 2015 2:54 am
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Is it crackly noise or mains hum?
Is it common in the US that power lines can be dirty?
It's pretty rare for that to happen in domestic supply in UK, once you've eliminated freezers and lamps etc., which makes me think it could be a damaged socket - UPS seems an expensive option if it doesn't fix it.
Old dimmer switch? They can generate terrible buzz.


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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Tue Oct 20, 2015 8:52 am
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MusicLaw wrote:
This week Guitar Center has several power conditioner units on sale starting at around $35! As they have a 30 (or 45?) day no questions asked satisfaction guarantee, you may want to consider that first. Also if you have a Costco nearby they often have UPS units at competitive prices.

Have you isolated the interference to the power source as opposed to RF?

I really hate the prospect of going to Guitar Center. But if they have the "no questions asked" return I may. What do you mean by "isolated the interference to the power source as opposed to RF?"

Thanks for your continued help with this.

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Last edited by matonanjin on Tue Oct 20, 2015 9:01 am, edited 1 time in total.

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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Tue Oct 20, 2015 8:59 am
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markcc wrote:
Is it crackly noise or mains hum?
Is it common in the US that power lines can be dirty?
It's pretty rare for that to happen in domestic supply in UK, once you've eliminated freezers and lamps etc., which makes me think it could be a damaged socket - UPS seems an expensive option if it doesn't fix it.
Old dimmer switch? They can generate terrible buzz.

Is it a crackly noise or mains hum? I'll do better than that. Here is exactly what it sounds like:
https://soundcloud.com/matonanjin/noise

"Is it common in the US that power lines can be dirty? " I don't know. In urban (city) areas probably not. But I live in the country with a really long stretch or power lines to my house, not buried.. My driveway is about 1/4 mile long, so maybe.

Damaged socket? Do you mean the outlet in the wall?

We only have two dimmer switches in my house, neither of which is in this room. They are both off 90 % of the time.

Thanks for the suggestions.

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Chubby, old, retired guy trying to learn to play some blues.


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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Tue Oct 20, 2015 9:07 am
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Eeek - are you near Area51? :mrgreen:
But sounds like RF - radio frequency interference - doesn't help pinpont it though. Tricky one.


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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Tue Oct 20, 2015 10:59 am
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Difficult to tell if that sound sample is solely AC Line Noise or a combination with Radio Frequency Interference (RFI).

Here are a few things you can try....

At the Circuit Breaker/Fuse Panel, shut off the other circuits in your home, leaving the circuit with the Amp energized. If you shut off all the other circuits and re-engage them one at a time, you may discover if one particular circuit is causing the problem. Then the focus would shift to items on that individual circuit. If you perform the process with one circuit at a time while leaving all the other circuits energized the hunt may be a bit more difficult, especially if more than one circuit is contributing to the problem.

If you have a battery powered AM transister radio, tune it down to the bottom of the AM band at or below 530kHz where no station is broadcasting. Turn up the volume and use the background noise level as an indicator as you walk around your amp, room, house, property to see if there are any noisy RFI sources. Nearby high voltage transmission lines or a bad power company step down transformer can spew lots of noise.

Ferrite beads are available to snap onto the AC power cord leading to your Amp. You may be able to get these from a Radio Shack if any are nearby.

Also, if you might have any Ham Radio neighbors or a buddy in the hobby, or, a local Ham Radio club, they often can be helpful in signal hunting and finding and resolving sources of interference.

Consider these steps before you begin buying devices that may not resolve the issue.

_________________
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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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Tue Oct 20, 2015 1:36 pm
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I once had to resort to calling the power company and explained that I had a recording studio with line noise and they happily sent out a lineman who found a faulty transformer not far down the road. Noise gone and no this was not in Wichita. Love that song and Jimmy Webb rocks!

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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Thu Oct 22, 2015 7:07 am
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Sheez. Looks like I have my work cut out for me. I want to go back to the days when I played in a band in High School. All we did was plug into the amp and play!

Fortunately, the Bears have a bye so I can look at some of these things Sunday. :roll: :wink:

Thanks again, you guys.

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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Thu Oct 22, 2015 11:56 am
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Oh, one quick comment before this thread goes dead. Regarding UPS (uninterruptible power supplies) it is a beautiful thing when the power goes off and your whole studio and all of your equipment stays on so you can finish what you were working on, save everything, and then turn off all of your equipment until power is restored.

I also have everything hooked up to a single wireless remote which controls all of the power strips, etc. This controller allows me to turn on everything or anything with just the click of the buttons.

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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Thu Oct 22, 2015 1:23 pm
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HIO wrote:
<Snip> Regarding UPS (uninterruptible power supplies) it is a beautiful thing when the power goes off and your whole studio and all of your equipment stays on so you can finish what you were working on, save everything, and then turn off all of your equipment until power is restored.

I also have everything hooked up to a single wireless remote which controls all of the power strips, etc. This controller allows me to turn on everything or anything with just the click of the buttons.
Nice setup! Using this sort of configuration, even brief power hiccups are prevented from affecting the important gear and equipment.

_________________
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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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Thu Oct 22, 2015 4:26 pm
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MusicLaw wrote:
HIO wrote:
<Snip> Regarding UPS (uninterruptible power supplies) it is a beautiful thing when the power goes off and your whole studio and all of your equipment stays on so you can finish what you were working on, save everything, and then turn off all of your equipment until power is restored.

I also have everything hooked up to a single wireless remote which controls all of the power strips, etc. This controller allows me to turn on everything or anything with just the click of the buttons.
Nice setup! Using this sort of configuration, even brief power hiccups are prevented from affecting the important gear and equipment.

Absolutely!!! +1

The power coming into homes and buildings ebbs and flows. Due to line drops, the actual voltage into your home will vary with the distance from the transformer on the pole. It may be several volts above 120 if close, and as low as 107 if some distance away. The UPS also regulates this to give an exact amount of power and helps to preserve your equipment.

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Post subject: Re: Horrible buzz with Mustang Floor and Blues, Jr. 3
Posted: Fri Oct 23, 2015 8:05 am
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I thought most UPS just switch in during a power failure.
How can they regulate the AC Line?


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